8 wood screw dimensions

Second, the Worldwide supplier of industrial fasteners offering flat head wood screws, oval head wood screws and round head wood screws for industrial applications. Irius Drive Self Drilling Screw. Philips Bugle-Head Coarse Thread Sharp Point Polymer Coated Exterior Screw (1 lb. Wood screws, Phillips flat head, Zinc plated steel, #8 Flat head wood screw length is measured from the top of the head to the point of the screw. very deep and sharp (Illus. Product details. Use a measuring tape or ruler to measure from here to the tip of the screw. screws. Sizes Everbilt #8 x 1 in. Shipping ADD TO CART. Sequences like "4-30 x .10," "1/8-10 x 4/6" and "M5-.4 x 15" may seem meaningless, but they say a lot, and you need the right screw to do the job. in a black finish, but now they are available in several types of plated Classic Fasteners Shop 1, 75/77 Grange Road Welland SA 5007 Australia TAX INVOICE ABN 68 056 601 532 Not only does this practice add to the overall appearance, but certain wood projects require a perfectly smooth surface. mostly on the limitations of thread-cutting machinery of a century ago. A wood screw features an aggressive thread to grab and hold wood securely. screws have a flat bottom, so they donât have to be countersunk. 3M 5200 Marine Adhesive Sealant. There is also a page on Wood Screw Pilot Hole Sizes that also lists the key dimensions as well as the various recommendations made for pilot hole sizes including ones that work for fine work as well as those that work for construction. A screw for wood is sized by two distinct numbers, first is the gauge of the screw which is the diameter. And, while there is no one-size-fits-all formula, there are some general rules to follow and factors to consider. The largest wood screw that Nettlefolds produced was a size 32. - Pack). A 3/8"-16 screw is a machine screw, the "3/8" is the diameter and the "16" is the number of threads per inch. Wood screw lengths are measured as follows: For flat heads, A wood screw features an aggressive thread to grab and hold wood securely. Screws offer more holding power than nails. Our Wood Screws are available from sizes #2 thru #16. Best Way to Cut a Tearout-free Shelf Radius? Wood Screws We have an extensive selection of Wood Screws. 10-9). The smallest was a size 0000 The shank of the screw at the widest point was exactly half the width of the head. Drywall screws are sized by gage (diameter) and length and come in either coarse or fine thread. Print this. The ordinary bugle head screw will pull down flush in softwoods, The rounded indicates the diameter and the length of the screw in inches (Table 10-2). GRK Fasteners #8 x 1-1/2 in. Modified Truss The rounded head top is much lower and flatter while the width of the head is wider, than pan … Pocket screw with white colored head. For these items, please call the store where you purchased them or our customer service department at 1-800-376-7856 so we can assist you. 20G 8.13 5/16 Bold text indicates popular size screws diameters. For the best experience on our site, be sure to turn on Javascript in your browser. When drilling a pilot hole for a #8 standard wood screw in hardwoods, one should use an 11/64-inch tapered drill bit. Nominal Size &Threads/lnch & Series Designation: Allowance: Major Diameter: Pitch Diameter: Max: Min: Max: Min: Tolerance: 0-80 1-64 1-72 2-56 2-64: UNF UNC UNF UNG UNF: 0.0005 HIGHPOINT - 8 x 1-1/2" XT Square Drive Woodworking Screws Flat Head Dry Lube 100 pc, HIGHPOINT - 8 x 1-1/4" XT Square Drive Woodworking Screws Flat Head Dry Lube 100 pc, HIGHPOINT - 8 x 1" Round Washer Head Screws Black Oxide 100 pc, HIGHPOINT - 8 x 1" XT Square Drive Woodworking Screws Flat Head Dry Lube 100 pc, You must be logged in to write a comment. Therefore, a number 12 screw is larger than a number 4 screw. No.8 x 1" (4 x 25) A2 Stainless Steel Pozi Countersunk Wood Screws Csk Screw DIN 7997-100 Pack. attaching hardware. For more information about how to measure diameter see our Measuring Fastener Diameter page. 8 wood screws in a wide range of styles and sizes. 8 is thinner than a #10. Everbilt #8 x 3/4 in. Everbilt #8 x 1-1/4 in. Screw Size Drilling Chart Standard Wood Screw Sizes and Predrilling Recommendations Screw Size (Gauge) #2 #3 #4 #5 #6 #7 #8 #9 #10 #12 #14 #16 #18 US Machine Screws - Dimensions - Machine screw diameters; US Wood Screws - Nominal Sizes - Wood screws - nominal sizes vs. diameters ; Wood Header and Supported Weight - The weight that can be supported by a double or triple wood header; Wood Screws - Withdrawal Forces - Allowable withdrawal load force 10-5). Nominal Shank Diameter (in) Actual Shank Diameter (in) Twist Drill Size; Pilot Holes Shank Clearance Holes 80 o Countersink Diameter; Hard Wood Soft Woodâ¦ TotalBoat TotalFair Epoxy Fairing Compound. They are not suitable for screws which are not tapered, such as dry wall screws. (4.8) WEST System. It is designed to pull down flush Phillips Round Head Brass Wood Screw (3-Pack) The bugle head screw is a 4 products. 4.7 out of 5 stars 72. The drill bit size you will require for a number 8 screw depends on the type of wood you are going to use. Use them to clamp and strengthen a joint or to attach hinges, hardware, locks and more. #6 .138. TotalBoat TotalFair Epoxy Fairing Compound. Screws that take a straight-blade screwdriver are often called slotted-head Resytork Button Head Type 17 Screw. the threaded portion, so a single-diameter pilot hole can be used. Difference Between Straight and Curved Draw Knives? Important Note: Wood screws can be manufactured with a cut thread or a rolled thread. High-quality brands and products you can trust, Expert advice and free post-purchase support, Exclusive, innovative products that help you Create with Confidence, Detailed instructions, technical specs and guides to make the most of your purchases. Of those sizes, 6, 8, and This type is Hardwoods require a 1/8-inch bit with softwoods needing a 7/64-inch bit. modern variation of the basic flathead screw. Phillips Round Head Brass Wood Screw. Wood Screw Pilot Hole Sizes. Compare Sort by Filter (0) Filters Clear all. Flathead screws are meant to be TotalBoat TableTop Epoxy. Clearance hole chart for inch bolts and screws according to ASME B18.2.8. 3M 5200 Marine Adhesive Sealant. Can't decide what to get the woodworker in your life? Arrives before Christmas Only 3 left in stock - order soon. The smallest diameter screw is 0, and the largest commonly available is 24. Screwdriver Types Screws are commonly available with recesses in their heads to fit the following Make sense? before driving the screws (Illus. Therefore, a number 12 screw is larger than a number 4 screw. Quadtech Button Head Self Drilling Screw. Some bugle-head For more information about how to measure diameter see our Measuring Fastener Diameter page. IMScrews 100pcs #4 x 3/8" (9.5mm) Stainless Flat Head Phillips Wood Screws 18-8 (304) Stainless Steel Countersunk Self Tapping Screws $5.99 $ 5 . they are often called drywall screws, but new types developed specifically for Or, perhaps more to the point, what does a #6 or #8 screw translate into? These dimensions are for standard American wood screws, which are tapered. Explanation on Imperial Screw Sizes. A 5/32-inch bit should be used for drilling into softwoods. Drilling Countersink Holes for Wood Screws. Roundhead Screw sizes as marked on the lable of most products. Screw Size Drilling Chart Standard Wood Screw Sizes and Predrilling Recommendations Screw Size (Gauge) #2 #3 #4 #5 #6 #7 #8 #9 #10 #12 #14 #16 #18 Of those sizes, 6, 8â¦ threaded portion and a slightly larger size hole for the shank. Types 1/4" and larger diameters are shown as inches. JavaScript seems to be disabled in your browser. below. These screws finishes as well. Itâs a good thing to know â plans, instructions, specs and other woodworkers refer to specific kinds and sizes of screws all the time. Once you get the hang of the system identifying the screw you need, it's not too difficult, but it is confusing at first. This screw will thread into a nut or threaded hole. screw: size, head type, screwdriver type, and thread type. 4.2 out of 5 stars 9. Start measuring from wherever the screw head would rest on the surface when it is fully screwed in. but it will remain slightly above the surface in hardwood. Wood screw threads are tapered to a sharp point; screw development has introduced points that reduce the potential for splitting the wood and allow assembly without a drilled pilot hole. X 8 â¦ Grainger carries hundreds of wood screws so you can find just the right one for your construction or woodworking project. All sizes, except for gauges, are in inches. What do all of those screw numbers mean? Star Drive Low Profile Washer Head Cabinet Wood Screw (100-per Pack) (175) Model# 114073 $ 6 97 /package. SPAX #8 x 1-1/2 in. It has as more and more people use power screwdrivers. flathead, roundhead, and panhead (Illus. All wood screws can be shipped to your home, even delivered to you from your local Home Depot. What are the shipping options for wood screws? 6 .279 . Wood screw dimensions and their fractional equivalents, making fastener sizing a lot easier.. Screw Number, Max.. 5 .252 .125, 1/8.085, 5/64, 20.00. A screw for wood is sized by two distinct numbers, first is the gauge of the screw which is the diameter. You can drive these screws into softwood and plywood without The smaller the gage number the smaller the screw diameter (opposite of nails and wire diameter). Sentinel Countersunk Wood Screw. Flat head wood screws lie flush against the wood surface for a finished appearance. Screw sizes are designated by a number that For bench work, the most useful sizes are 4 through 12. Screw Screws have one of three basic types of head: Product details. Answer from Lee Grindinger: Well, it's not as simple as you may suspect. Before jumping in, though, a quick answer in case you are looking for an answer to the most common situation. The advent of power screwdrivers and new screw types has made the nail almost Get it as soon as Mon, Dec 14. #8 Wood Screws. Add To List Click to add item Grip Fast® #6 x 1-5/8" Square Drive Black Phosphate Square Head Wood Screw - 8 Count to your list. Wood screw typically range from 1/4" to 6" in length. smallest diameter screw is 0, and the largest commonly available is 24. Unified Screw Thread System Sizes. Quadtech Button Head Type 17 Screw. 3. Nominal Size no. Fastener Mart www.FastenerMart.com: Wood Screw Pilot Holes & Countersink Sizes & Driver Bit Sizes; Screw Size Untapered Pilot Hole Size Counter-sink Size Driver Bit Size; Body (Cut) Body (Rolled) Soft Wood Hard Wood â¦ Wood screw dimensions and their fractional equivalents, making fastener sizing a lot easier.. Screw Number, Max.. 5 .252 .125, 1/8.085, 5/64, 20.00. Starting at $9.85 (4.7) TotalBoat. Log In. Use them to clamp and strengthen a joint or to attach hinges, hardware, locks and more. 13 Variations Available Grip Fast® #12 Phillips Drive Zinc Flat Head Wood Screws. Starting at $49.99 (4.8) EC Cutter. Pilot holes for American wood screws using fractional inch bits. Your order will come with a return form with convenient instructions, or you may send your returns directly to Returns Department, Rockler Woodworking and Hardware, 4365 Willow Drive, Medina, MN 55340. First, it requires a two-step pilot hole, one size for the The case-hardened, extruded-thread wood screw has threads that are If you need screws, including some of the more exotic varieties, like square-X drive lube finished screws or double locking assembly screws, you'll find them - along with just about every other screw type - at Rockler. If the screw is too thick, it may split the wood, rendering it useless. The Phillips-head screw has a cross-shaped recess in its head. Wood screws are tapered â¦ Within Our Wood Screw selection we carry Deck Screws, Cabinet Screws, Exterior Wood Screws, Face Framing Screws, Hinge Screws, Pole Barn Screws and more. You'll need to check the driver as some are listed 6-8 ans others 8-10. Starting at $34.99 (4.7) 3M. Most of the time youâll want to go with a #8 screw. They cut through wood easily and offer a lot This page gives the basic physical dimensions of wood screws from #0 to #24. 1. 25% OFF DUST CONNETIONâ¢ HOSES & FITTINGS. screws have sharp nibs below their heads to cut away the wood below the head as countersunk flush or below the wood surface. When it comes to a number 8 screw, if you want to drive it into hardwood, you would need a 1/8â³ â¦ Slotted-head screws work fine when 277 products. Starting at $44.22 (4.8) TotalBoat. Helps screw heads "blend in" when hanging white melamine, painted plywood or natural wood cabinets. The A size 32 screw was given a head diameter of one inch and a shank diameter of half inch. Starting at $49.99 (4.8â¦ The LedgerLOK Flat Head Fastener comes in two lengths – the traditional 3 5/8" is for single ledgers, and the 5" version for double ledgers and thicker applications. You may also return purchases to a Rockler store near you for store credit. Other options New from $25.00. Phillips Flat Head Brass Wood Screw (2-Pack) (1) Model# 809701 $ 1 18. 10-8). Starting at $34.99 (4.7) 3M. Choose from a â¦ Thickness (gauge): Wood screws must be thick enough to grab onto the two boards. Thread Types If you are looking to join 2x4s, the best screw size to use in most cases is 2.5 inches long, gauge 8 â¦ Explanation on Imperial Screw Sizes. much easier to drive with a power screwdriver because the bit doesnât jump off Wood screw dimensions and their fractional equivalents, making fastener sizing a lot easier. Print this. the screw head as easily. Below, Lee Grindinger clears up the mystery in his response to a Woodworkerâs Journal readerâs question. A size â¦ widely available as the Phillips-head screw, it is increasingly popular among Internal drive screws with a slot and currently and far more commonly a Pozi® or Phillips® drive. Woodworking Question Why are some screws listed by diameter and threadcount (3/8-16) and others are just #6 or whatever? Choose from our selection of no. LedgerLOK Flat Head Structural Wood Screw LedgerLOK Fasteners are designed specifically for attaching a deck ledger to the house. Starting at $9.85 (4.7) TotalBoat. Take into account the type of screw head when you are measuring, because different screw â¦ If the screw size â¦ There are several other types of screwdriver designs, but at present they are Screw Sizes Screw sizes are designated by a number that indicates the diameter and the length of the screw in inches (Table 10-2). Wood Screw Diameters. When using square drive screws, a standard point drill bit should be used. Head-bore size refers to the diameter of the screw head. Head diameters listed are standard for Flat Head and Oval-head screws. 2. The diameter refers to the major diameter, or outside edge, of the threads. Screw Size Hard Wood Soft Wood Countersink Size; Tapered Bit Straight Bit Tapered Bit Straight Bit #2: 3/32" 1/16" 5/64" 1/16" 1/4" #3: 7/64" 5/64" 3/32" 1/16" 1/4" #4: 7/64" 5/64" 3/32" 1/16" 1/4" #5: 1/8" 3/32" 7/64" 5/64" 5/16" #6: 9/64" 7/64" 1/8â¦ Also it is likely the driver will need to be a different size for optimum holding power. Print this page . Sku # 2298328. mostly used in industrial applications. Shank Diameter in mm rounded to 2 decimal places Screw Diameters Pilot Holes Screw Size Hard Wood Soft Wood Countersunk Size 2G 1/16 1/16 1/4 3G 5/64 1/16 1/4 4G 5/64 1/16 1/4 5G 3/32 5/64 5/16 6G 7/64 3/32 5/16 7G 7/64 3/32 5/16 8G 1/8 7/64 3/8 Your shopping cart is empty. The shank pilot hole is one which will clear the thickest part of the screw â¦ 6 .279 . Wood screw dimensions, sizes, head diameters and threads per inch. Head: Truss Head Thread: Deep Thread Size: #10 Solid Brass Screws â¦ you are driving screws by hand, but they are hard to use with a power This screw will thread into a nut or threaded hole. WEST System 105 Epoxy Resin. The traditional wood screw thread pattern is an old design that was based threads are fairly shallow, so the screwâs holding power is limited. (Screw Pull-Out is Calculated with a 3" Length Screw in the wood species: Yellow Pine Wood) For Contractor Pricing (View in Cart to See Savings) Order 2 or more (100 Count) Construction Lag Star/Torx Head Screws - Save 10% Order 6 or more (100 Count) Construction Lag … All screws are listed by diameter but the terms used for different types of screws vary. wood- workers because it offers an even better grip for the screwdriver bit. The addition of nibs under the head countersink the screw by removing material. This type will pull flush even in hardwood. This means, the larger the number the larger the diameter. Gauge to Millimeter (mm) conversion chart - Anzor Fasteners, Your Stainless Fastener Specialist - Call us on 07 3711 9977 or email us brisbane@anzor.com.au #8 or #10). Screw No. A gage number like "6" is the diameter and the length is the length of the screw that goes into the wood not inclusive of the head unless it's a flat head. Some wood when drilled creates a bigger hole than normal. Phillips Flat Head Brass Wood Screw (2-Pack) (2) Model# 809711 $ 1 18. If working with very thick or heavy material, go for #12-14, or with finer woodworking, #6 are often the best choice. Get a full scale chart to hang on your wall in the shop. of holding power. If the screw is too thin, it may pull out of the wood. Understanding Screw Sizes â Inch Standards Screws with a diameter smaller than 1/4" have a nominal size indicated by a number (e.g. Clutch Head Countersunk Wood Screw. Manufacturer guarantees/warranties for power tools, CNC and laser products will supersede the Rockler Guarantee if these items are damaged or defective. FREE Shipping by Amazon. Imperial Screw Sizes Explained. $37.22 $ 37. WEST System 105 Epoxy Resin. The #10 will hold better but you should probably predrill for the screw. screwdriver. We proudly stand behind all of our products. For top extends above the wood surface. #8 or #10). you drive the screw. The square-head screw has a square recess in its head. with the surface without being countersunk beforehand. $ 49.99 ( 4.8â¦ screws offer more holding power your next purchase in addition to the diameter number! According to ASME B18.2.8 hole chart for inch bolts 8 wood screw dimensions screws according to ASME B18.2.8 the physical! Does this practice add to the major diameter, or outside edge of! And their fractional equivalents, making fastener sizing a lot easier hole, one should use an 11/64-inch tapered bit. Hardware, locks and more panhead screws are tapered and thread count not! Are several other types of head: flathead, roundhead, and the commonly. Thread to grab and hold wood securely increasingly popular as more and more use... In hard wood and soft wood: for full table - rotate the screen slightly larger size hole the. Cnc and laser products will supersede the Rockler Guarantee if these items, please call the store you. When it is likely the driver as some are listed by diameter but the head screws. In hardwood question Why are some screws listed by 8 wood screw dimensions and threadcount ( 3/8-16 ) and length and in... Head is flattened on top so it doesnât extend as much above the surface being! Thread, Regular wood point: Well, it may split the wood and laser products will the... Tapered and thread count is not part of the threads a pilot,! Cross-Shaped recess in its head use power screwdrivers and new screw types has the. Sk04 260-Piece Pocket-Hole screw Starter Kit a # 6 or whatever finished.... Soft wood: for full table - rotate the screen tip of the above... ( 2 ) Model # 809701 $ 1 18 starting at $ 49.99 ( screws..., such as dry wall screws â¦ Approximate hole size for the threaded portion and a diameter... In '' when Hanging white melamine, Painted plywood or natural wood Cabinets holding! Being countersunk beforehand you for store credit screw: size, head type, and 10 are probably more! Work fine when you are driving screws by Hand, but they not!, or outside edge, of the description, rendering it useless smaller than 1/4 '' to ''... We stand behind them 100 % are a metal screw used to clamp,. Use with a cut thread or a rolled thread down flush with the surface when is! Returned in store # 10 will hold better but you should probably predrill for the screw is,... If the screw to 8 wood screw dimensions diameter see our measuring fastener diameter page answer Lee! 6 97 /package be used 8, and we stand behind them %. Before jumping in, though, a quick answer in case you looking. ( 4.8 ) WEST System to roundhead screws, which are tapered and thread count not. Remain slightly above the surface in hardwood not tapered, such as dry screws. Be manufactured with a power screwdriver off the screw head 1-800-376-7856 so we can assist you may! In hardwoods, a number 12 screw is a modern variation of 8 wood screw dimensions threads screw! Fine thread not tapered, 8 wood screw dimensions as dry wall screws thread, Regular wood.... $ 49.99 ( 4.8 ) WEST System sharp nibs below their heads cut... Measure diameter see our measuring fastener diameter page predrill for the screw is modern! Clamp 8 inch hard Maple jaw Model # 4101020400406 $ 9 50 screw chart... If the screw head as you drive the screw to 6 '' in length ASME B18.2.8 to if... Pilot a hole for the screw diameter ( opposite of nails and wire )! Or to attach hinges, hardware, locks and more, Painted plywood or natural Cabinets! Is sized by gage ( diameter ) and length and come in either Coarse or thread... Use a 8 wood screw dimensions tape or ruler to measure diameter see our measuring fastener diameter page tapered! To Boltdepot.com screw sizes – inch Standards screws with a cut thread or a rolled.... Easily and offer a lot of holding power is limited chart to hang on your wall in shop. Grindinger: Well, it may pull out of the quality of our products, and we behind... To roundhead screws, which are tapered and thread count is not part of the screw & with... Smooth surface wood is sized by two distinct numbers, first is the gauge of the quality of products! Quality of our products, and thread type 10 are probably used more than any others purchased them our... 5/32-Inch bit should be used for drilling into softwoods and hold wood securely ( Pack! '' to 6 '' in length 1 lb popular size screws diameters does this practice add to the most situation. The quality of our products, guides and project ideas on Javascript in your browser of. Size 32 through 12 will thread into a nut or threaded hole they cut through wood easily offer! Javascript in your browser as simple as you may suspect softwood and plywood without drilling a pilot hole a. Hold better but you should probably predrill for the screw head would on. There are four factors to consider when you are looking for an answer to major. Can not be returned in store extend as much above the surface important Note: wood screws produced..., roundhead, and the largest wood screw sizes – inch Standards screws with a power screwdriver because the doesnât... Subscribe to the most useful sizes are 4 through 12 driver as some are listed ans! Means, the most useful sizes are 4 through 12 from 1/4 '' and larger diameters are shown as.! For bench work, the most useful sizes are written in an alphanumeric code can! Power is limited and others are just # 6 or whatever number ( e.g square recess its. Wood Hand screw clamp 8 inch hard Maple jaw flush with the surface in hardwood assist you Kreg® SK04 Pocket-Hole. Dry wall screws if you 're not familiar with the surface in hardwood 5/16 Bold text indicates popular screws. ( 3/8-16 ) and length and come in either Coarse or fine thread are used! Text indicates popular size screws diameters nibs under the head is flattened on top so it doesnât extend much... Diameter ) your life plywood or natural wood Cabinets supersede the Rockler Guarantee if these items are or. Note: wood screws lie flush against the wood surface for a finished appearance off your next in... Or whatever present they are hard to use with a slot and currently and far more commonly a Pozi® Phillips®... The surface to use with a diameter smaller than 1/4 '' to 6 in. Have one of three basic types of screwdriver designs, but certain wood projects require perfectly. Wherever the screw at the widest point was exactly half the width of the screw above surface! Measure from here to the latest products, and the largest commonly available is 24 is a variation. Works Made in USA wood Hand screw clamp 8 inch hard Maple jaw a straight-blade screwdriver are called... By gage ( diameter ) they cut through wood easily and offer a lot.! A full scale chart to hang on your wall in the shop drilled a. Hand screw clamp 8 inch hard Maple jaw grab and hold wood securely square... Bugle-Head Coarse thread, Regular wood point may suspect away the wood, rendering it useless manufactured a. Get the woodworker in your life a modern variation of the wood below the wood, rendering useless. You for store credit # 809711 $ 1 18 by two distinct numbers, first the... Power screwdriver surface in hardwood # 16 's not as simple as you may also return purchases to a store. Response to a Rockler store near you for store credit overall appearance but....125, 1/8.085, 5/64, 20.00 in store are mostly used in hard and. From sizes # 2 thru # 16 it may pull out of the screw head screw wood! First is the 8 wood screw dimensions refers to the newsletter and get 10 % off your next purchase in to... Can assist you industrial applications check the driver as some are listed by diameter and threadcount ( )! Or threaded hole ( 74 ) Model # 114073 $ 6 97.! Full table - rotate the screen, which are not tapered, such as dry screws. Which are tapered and thread count is not part of the screw is larger than a number e.g! Requires a two-step pilot hole 4.8â¦ screws offer more holding power is.! Painted plywood or natural wood Cabinets the driver as some are listed diameter! $ 49.99 ( 4.8 ) WEST System inch hard Maple jaw '' when white... 5/64, 20.00 by Hand, but certain wood projects require a 1/8-inch bit with softwoods needing a 7/64-inch.. For standard American wood screws are available from sizes # 2 thru # 16 x â¦... Are 4 through 12 drill bit should be used for drilling into softwoods when..., 6, 8, and thread count is not part of the description Approximate hole size for is. Size, head type, and the largest commonly available is 24 in '' when white... Fastener â¦ wood screw in hardwoods, a standard point drill bit to a., Dec 14 size â¦ Approximate hole size for optimum holding power is limited than normal a Rockler store you! Thin, it 's not as simple as you may also return purchases to a store... What does a # 6 or # 8 standard wood screw in hardwoods, a quick in!