Sheet Metal Pilot Hole Size Chart

Cnc For Carbon Fiber, Fastener Guides - Pilot Hole Drill Bit Sizing. Below, we have included charts displaying pilot hole diameter and proper drill bit sizing for most varieties of screws we carry. At the end of this section, .People also askYou will see more English now.What size pilot hole for sheet metal?What size pilot hole do I need for a #8 sheet metal screw?What size pilot hole for a #10 sheet metal screw?What size pilot hole do I need?Feedback Custom Carbon Fiber Insoles, Pilot ‎Hole & Drill Bit Size Chart. Jul 16, 2021 — Drilling a pilot hole and need to know what drill bit size to use? Reference are charts for all types of self-tapping screws, including AB, . Custom Carbon Fiber License Plate, Images for sheet metal pilot hole size chart. Approximate Hole Sizes for Type C Steel Thread Forming Screws in Sheet Metal. Screw Size, Metal Thickness, Hole Size, Drill Size. 4-40, 0.037, 0.094, 42. Custom Carbon Fiber Orthotics, Sheet Metal Screws Pilot Hole Sizes - metric-bolt-torque.com. Screw DiameterSheet ThicknessCore hole or borehole for. Steel and VA sheetsCore hole.3,20 mm0,00 ‑ 0,56 mm2,60 mmx3,20 mm0,56 ‑ 0,75 mm2,70 mmx3,20 mm0,75 ‑ 0,88 mm2,70 mm2,60 mmView 52 more rows Cut Carbon Fiber Tube With Pipe Cutter, Screw To Drill Bit Size Chart. Tap SizeDrill BitDrill Bit size inch0‑803/64in1‑64531/16in1‑72531/16inView 45 more rows David Yurman Carbon Fiber, PILOT HOLE SIZES. PDFExample: The chart shows that for a M4 x 0.7 screw in a material thickness of 0.75 mm, the suggested hole diamerter is 3.59 mm. The corresponding "H” dimension .6 pages Dax Fifty 50 Carbon Fiber Cap, RECOMMENDED DRILL HOLE SIZES. PDFRECOMMENDED DRILL HOLE SIZES. INTO SHEET METAL, BRASS,. ALUMINIUM ALLOY, STAINLESS STEEL. & MONEL METAL. IN ACCORDANCE WITH BS4174:1972. SCREW. SIZE.1 page Dodge Challenger Carbon Fiber Body, recommended hole size- - helpful hints - wood screws. PDFWith pilot holes, screws are easier to drive and there is less chance of damaging screws or wood. Bore holes large enough to freely accommodate screws shank in .1 page Dyson V8 Carbon Fiber, FASTENERS. PDFUsed to join and draw sheet metal together or to attach metal hardware to wood. . Diameter. Metal Thickness. (USS Gage No). Equivalent Drill. Size.1 page Ecs Carbon Fiber, Pilot Hole Sizes for Self Tapping Screws into Sheetmetal. PDFScrew Size. Metal Thickness Drill Size . SELF TAPPING SCREWS TYPE AB. INTO SHEETMETAL. The application sizes in the chart below are provided as a guide only.1 page Element6 Carbon Fiber, Drill bit sizes for drilling screw pilot holes. Screw SizePilot hole size for hardwoods*Pilot hole size for softwood**#13/64"1/32"#23/64"3/32"#31/16"3/64"View 9 more rows Fiddlerman Carbon Fiber Violin Bow 4 4, Tap & Clearance Drill Sizes. Screw SizeMajor DiameterThreads Per InchMinor DiameterDrill SizeDecimal Equiv.Dri.0.060080.04473/64.0469551.073064.053853.05951/161.073072.056053.059552View 52 more rows G82 Carbon Fiber, Tap and Drill Size Chart. THREADSIZEDRILL DIAMETER. Coarse ThreadTAP DRILLSIZE1‑64.0595No. 532‑56.0700No. 503‑48.0785No. 47View 36 more rows Gt500 Carbon Fiber Wing, Lag Bolt Pilot Hole Size. Jan 3, 2023 — Lag Bolt Pilot Hole Size ; Lag Bolt Size. Pilot Hole Size ; 1/4". 5/32" ; 5/16". 3/16" ; 3/8". 15/64" ; 1/2". 5/16". Gvm Wireless Carbon Fiber Motorized Camera Slider, Drill Size Chart - Machining. Drill sizeDiameter (in)Diameter (mm)#1070.00190.04830.05 mm0.00200.0500#1060.00230.0584View 383 more rows High Modulus Carbon Fiber Tube, Tap and Clearance Drill Sizes. ScrewO.D.TapClose FitFree FitSize/ThreadDecimalSize *DecimalSizeDecimalSizeDecimal000‑1200.0340"710.0260"650.0350"620.0380"00‑900.0440650.03503/64"0.0469550.0520View 15 more rows High Temp Carbon Fiber Resin, Is there a chart showing the proper pilot hole for sheet .. Mar 1, 2020 — There are hundreds of charts such as this. Engineering Tech Sheet, Drill Size Chart They are available at most industrial suppliers, but a simple search of .2 answers  ·  0 votes: You don’t need a chart. Take the screw and hold the drill bit you are considering in front .What size hole do I drill for a 10 sheet metal screw .5 answersOct 1, 2019What size pilot hole should I drill for a #8 screw? - Quora6 answersApr 1, 2020What size drill bit for 5 16 bolt? - Quora7 answersAug 15, 2019Do you need to use pilot holes when driving in screws .2 answersMar 25, 2023More results from www.quora.com Infiniti Q60 Carbon Fiber Package, How to Correctly Use Sheet Metal Screws. Jun 7, 2023 — Your pilot-hole drill-bit size will depend on the size of your sheet metal screw. A size-4 screw should have a pilot-hole drill size of 3/32 . Invest In Carbon Fiber, Self Tapping Screws - hole sizes. Thread diameterMaterial strength Rm (N/mm2)0.80.911.11.21.31.41.51.61.71.8ST 2.2from 1001.71.71.71.71.71.71.71.71.71.71.8ST 2.2approx. 3001.71.71.71.71.71.71.81.81.81.91.9ST 2.2up to 5001.71.71.71.81.81.81.81.71.91.91.9View 22 more rows Takashi New Era, Wood screw pilot hole sizes. Screw SizeTapered BitStraight BitTapered BitStraight BitCountersink Size#23/32"1/16"5/64"1/16"1/4"#37/64"5/64"3/32"1/16"1/4"#47/64"5/64"3/32"1/16"1/4"View 13 more rows Laser Engraving Carbon Fiber, Pilot Holes Guide. Mar 2, 2023 — Generally, the pilot hole size for wood screws should be approximately the same diameter as the screw's shank minus the threads. Woodworkers . Lexus Is350 Carbon Fiber Interior, Pilot Hole Diameter for Stainless Steel Self Tapping Screws. Pilot Hole Chart for Self Tapping Screws - Anzor Fasteners, Your Stainless Fastener Specialist - Call us on 07 3711 9977 or order online. Lexus Lc 500 Carbon Fiber, Tap size Drilling chart | Thread Hole Size Specifications. Tap sizeDiameter (in)Diameter (mm)Thread count (TPI)Thread pitch (mm)Tap drill size#0000‑1600.02100.53341600.1591/64 in#000‑1200.03400.86361200.212#71M1x0.20.03941.0000~1270.2000.8 mmView 158 more rows Luminox Carbon Fiber, HOLE SIZE DATA. PDFSUGGESTED TEST PLATE THICKNESSES & HOLE. SIZES FOR . Threads per Inch. Thickness. Hole Size. Gage. Max. Min. Drill. Size. Hole . Pilot Hole Diameter. M2 Carbon Fiber, What Size of Drill Bit Should Be Used for a #8 Screw? [2023]. Sheet Metal Fasteners . If you're working with pierced holes, you'll need a pilot hole of 0.137 inches. If you're using clean punched or drilled holes, you'll . Mazda Cx 5 Carbon Fiber, Approximate Hole Sizes in Sheet Metals for Steel Types D( .. PDFIN SHEET STEEL. IN SHEET ALUMINUM. IN CASTINGS OF. Thickness . Thickness of. Pierced. Drilled or Clean-. ALUMINUM, ZINC,. Metal. Hole. Punched Hole. Metal. Dunk Dusty Olive, How To Use Self Tapping Screws. As a rough guide, a pilot hole should be between the minor diameter and major diameter of the screw thread. For example: a #6 screw (major diameter of threads ~ . Men's Carbon Fiber Watch, Pilot Hole Drill Bit Size Chart for Wood Screws. Jan 27, 2019 — If you're working with brass screws, go up 1 size as well to accommodate the softer metal. Brass isn't the only exception here—any wood screw . Milled Carbon Fiber Powder, Tap & Drill Chart. PDFTap & Drill Chart. STANDARD. Tap & Clearance Drill Sizes. Tap Drill. Clearance Drill. Screw. Size. Major. Diameter. Threads. Per Inch. Minor. Diameter. Minelab Equinox Carbon Fiber Shaft, Pilot Hole Data. Oct 5, 2016Screw DiameterTwist Bit Nearest Size in fractions of an inchDrill Gauge No or letter to be u.01/165215/644723/3242View 18 more rows Miracle Mobility Carbon Fiber 9500, What Drill Size Should I Use For Self Tappers. Selecting the correct drill size ; SIZE OF SELF TAPPER, SUGGESTED PILOT DRILL SIZE ; Number 2 (2.2mm), 1.6mm - 1.9mm ; Number 4 (2.8mm), 2.2mm - 2.6mm ; Number 6 ( . Mmd V Series Spoiler Carbon Fiber, Self Tapping Screws Sizes Chart. Mar 25, 2022 — A pilot hole must be bored before you can use most screws. . Sheet metal and other materials with big diameter holes are suited for truss . Model Y Carbon Fiber Interior, Hole Sizes for Cut Tapping. PDFOther thread and hole sizes are available upon request or on our website drill size calculator. • For aluminum or other soft materials a hole minor diameter . Movado Extreme Se Carbon Fiber, Tap Drill Chart: Tapped Hole Stainless Steel, Steels, Iron. PDFTap Drill Chart: Tapped Hole Stainless Steel, Steels, Iron – Microform Precision. Screw Thread Size. Major Diameter Minor Diameter Drill Size. Decimal. Movado Se Extreme Carbon Fiber, Sizes for Drilling Pilot Holes Into Gelcoat Fiberglass. Sep 8, 2021 — Is there a chart that would have the recommended Pilot Hole fractional diameters for size screws from #4 through #14? Nike Men's Carbon Fiber Matte Reversible Golf Belt, What size pilot hole for. PDFdisplaying pilot hole diameter and proper drill bit sizing for most varieties of screws we carry. At the end of this section, we've also included a chart . Octagonal Carbon Fiber Tube, Pilot Hole Sizes for Screws - Elgin Fasteners. Lo-Driv & Tri-Round Recommended Pilot Holes Sizes – Inch Screws ;.020 – .055 26 – 17. Diameter ;.061 – .122 16 – 11. Diameter ;.125 – .245 11 – 3. Diameter ;. Onewheel Pint Carbon Fiber Fender, Clearance Hole Size for Bolts and Screws (Imperial). Nov 4, 2021 — Unsure on what size hole to use for your fasteners? Then look no further! Use the below bolt hole clearance chart for Imperial size bolts and . Atlanta Braves Summer Nights 59fifty Fitted, Clearance Hole Chart. Nominal Screw SizeNominal Drill SizeMin.Max.Nominal Drill SizeMin.Max.Nomi.#0#480.0760.082#510.0670.0713/32#1#430.0890.095#460.0810.085#37#2#380.1020.1083/320.0940.098#32View 27 more rows Oval Carbon Fiber Tube, Pilot hole size chart for sheet metal screws - godognation.com. WebRecommended Pilot Holes Sizes – MetricScrews Material Thickness Nominal . Web23 rows · Pilot Hole Sizes for Steel Sheet Metal Crews in Sheet Metal. Paddle Board Paddle Carbon Fiber, Drill sizes for self-tapping screws. When using self-tapping screws, it's important to use the correct drill size. The correct diameter depends on the sort and the thickness of the material you're . Ppf Carbon Fiber Hood, Clearance Hole Drill Chart. PDFEach number or diameter of screw size has its own Close Fit or Free Fit, independent of threads per inch. Each fit is toleranced so that a threaded object can . Autumn Air 59fifty Fitted, Sheet metal screw and drill bits sizes, Sheetmetal . - YouTube. 3:26Using sheet metal screws and knowing what size drill bit to use. Wood screws will not work in Sheetmetal because of the tapered shoulder .YouTube · dusty guy · Jan 10, 20183 key moments in this video Printing With Carbon Fiber Nylon, Drill and Tap Reference Guide by PartsBadger. Custom threads can be made with a thread cutter, but this may result in a additional charge. What size should I make the pilot hole? We've added a simple chart . Pultrusion Carbon Fiber, How to Calculate the Hole Size for Screws. Even sheet metal screws that tap their own threads need a pilot hole to get them started. You can use a chart to determine what hole sizes to drill, . Pure Carbon Fiber Ring, Definitive list of drill pilot hole sizes ?? is there one?. Mar 16, 2009 — most are machine and sheet metal screws - not wood screws (except for the neck screws). a wood screw chart wouldn't necessarily apply. Real Carbon Fiber Luggage, What size hole do you drill for a number eight screw?. Pilot holes for metal should be the same diameter as the screws being used, plus 1/64th of an inch. However, the size of the pilot holes can vary depending on . Rear Carbon Fiber Diffuser, How do I Choose the Correct Self-Drilling and Self-Tapping .. With Self tapping screws there is no need for a pilot hole, . The length of the drill flute determines the metal thickness that can be drilled. Return To Play Carbon Fiber Inserts, Cabinet screw size chart. 10 X Kitchen .. If the screw has deep threads, or the wood is very hard, the pilot hole should . Wood, sheet metal and drywall screws have varying pitch sizes designed to . Rpm Tesla Carbon Fiber Spoiler, Pilot Hole Size - Techtalk Speaker Building, Audio, Video .. Jun 9, 2011 — For Drywall and deck screws, I see 5/64 (no material specified), and 1/8" for sheet metal. Given the range from these different sources, I .12 posts  ·  I'm using some #8 woodscrews, in there a recommended pilot hole size? Rsc Carbon Fiber, Pilot hole size for screws. Mar 11, 2019 — For wood screws I use this reference guide: Wood Screw Pilot Hole Size . If you are talking about sheet rock screws or sheet metal screws . Blooming 59fifty Fitted, Pilot Holes in MDF. Apr 26, 2016 — The mounting holes in the casters are big enough for #12 or #14 screws, but I'm going to use #10 sheet metal screws. What size pilot hole do . Sainsmart Carbon Fiber Nylon, Drilling Chart for Screw Sizes. Screw Size (Gauge)Screw Size (Gauge)Screw Size (Gauge)Screw Size (Gauge)Head Bore SizeActual Head SizeActual Head SizeActual Head SizeHead Bore SizeMin. Counterbore Dia.Min. Counterbore Dia.Min. Counterbore Dia.Head Bore SizeRecommended SizeRecommended SizeRecommended SizeView 20 more rows Simply Carbon Fiber Promo Code, 12 Tips for Drilling Holes in Metal. Apr 6, 2023 — Find metal drill bits for metal and methods used to do it vary. . holes with your drill bit for metal until you reach the size you want. Sleepy's Carbon Fiber Pillow Review, Lag Screw Pilot Hole Size Chart. Read Or Download Gallery of lag screw wood screw pilot hole sizes info woodworking basics - Sheet Metal Screw Pilot Hole Sizes woodwork wood screw sizing . Sleepy's Pillow Carbon Fiber, Untitled. How To Use Self Tapping Screws - Accu WebPilot Hole Diameter Chart for Screws . A Steel Sheet Metal Thread Forming Screws Pilot Hole Sizes for Steel Sheet . Sleepys Pillow Carbon Fiber, Lag Screw Pilot Hole Size Chart. Lag Screw Pilot Hole Size Chart You should not drill your pilot hole any deeper . DRILL PRESS SPEED CHART Meredith Corporation Sheet metal screw and drill . Smallrig Lightweight Carbon Fiber Matte Box, What Size Drill Bit for #8 & #10 Screw? Pilot Hole Size Chart. Mar 2, 2021 — Pilot Hole Drill Bit Size Chart ; #4, 1/16″, 5/64″ ; #5, 5/64″, 3/32″ ; #6, 3/32″, 7/64″ ; #7, 3/32″, 7/64″. Sq5 Carbon Fiber, Untitled. RS Components WebPilot Hole Diameter Chart for Screws - Anzor Australia. . Steel Sheet Metal Thread Forming Screws Pilot Hole Sizes for Steel Sheet Metal . Tag Heuer Carbon Fiber, lag screw pilot hole size chart. Pilot Hole Sizes In Plywood (Resin Impregnated) for Type A Steel Sheet Metal . Ilot hole drill bit size chart: You Should Know 2For Wood Screw 3For Metal . Tega Carbon Fiber Insole, pilot hole drill bit size chart metal. pilot hole drill bit size chart metal Thus the size of the drill bit for each one is entirely. A bi-metal hole saw cuts through wood and metal. Telescoping Carbon Fiber Tube, Untitled. What Size Drill Bit for #8 & #10 Screw? Pilot Hole Size Chart Sheet Metal Screws Pilot Hole Sizes - anzugsmoment.de Sizing Clearance Holes for HDG Fasteners . Tesla Carbon Fiber Wrap, Pilot hole size chart for mdf - sotoylerdo.com. Pilot Hole Size Chart Ultimate Pilot Hole Guide – Method Depth Drillbit Size WebTwist Drill Size . Attaches wood, plastic, and other metal to sheet metal. Tesla Model 3 Carbon Fiber Rear Diffuser, Untitled. Pilot size for 8 screw Sizes of pilot holes for American wood screws Web31 de oct. de 2022 · Use the image and chart below to determine what dimensions to . Trufiber Carbon Fiber, 23 Printable Tap Drill Charts [PDF]. Apr 29, 2021 — Easy-to-use printable tap drill chart and drill bit sizes table available for a . Drill charts work nicely with wood and metal components. Rating: 4.9 · ‎10 votes Turf Toe Carbon Fiber Insert, Tap/R® Fasteners - ITW Shakeproof Industrial Products. RETAIN SAME HOLE SIZES as trilobular type screws. . Unthreaded relief area on point quickly positions screws in pilot holes. REUSABLE IN SAME HOLE WITHOUT . Voron Carbon Fiber, Recommended Drill & Hole Size for Type D(1), F & T(23) .. PDF0.050. 0.073. 49. 0.070. 50. Thread Metal Hole per inch Thickness Diameter Size/No. 0.060 0.180. Drill. Hole. Diameter. Drill. Size/No. Waterjet Cutting Carbon Fiber, Screw pilot hole size chart - JjsBrownies.com. Drilling Pilot Holes - Pilot Hole Size Table and Guide … . Pilot Hole Sizes In Sheet Metal - Engineers Edge FREE Woodworking Charts Wood . Navy 59fifty, Guide to Standard Drill Bushings. When the jig plate is counterbored, only the body diameter of the bushing provides the location and only this diameter needs to be reamed. The counterbored area .Gen 3 Wall Connector Manual. PDFconsult with an electrician for optimal pilot hole sizes. . avoid installing Wall Connector on opposite sides of concrete, masonry, metal studs, and other.Drill Sizing Chart. DRILL SIZING SHEET. metric conversion. Image Retina. Welcome to Drill Bit Warehouse, bringing you only the highest quality drill bits and drill bit sets for .Dormer Pramet. Spot-weld Drills Sheet-metal Drills Aircraft Extension Drills Tapered Aircraft . drill: optimum productivity and reliable performance Which drill bit is .Drill Bits. Choose from our selection of drill bits, including over 13800 products in a wide range of styles and sizes. In stock and ready to ship.8 sheet metal screw pilot hole size. [2023] https://www.orthogonalthought.com/blog/index.php/2010/01/pilot-hole-sizes-for-metal-screws-and-wood-screws/ Sheet Metal Screw Sizes Chart - Yard and .Untitled. Sheet Metal Screw Sizes Chart - Yard and Garden Guru PILOT HOLE SIZES SELF TAPPING SCREWS TYPE AB INTO … WebRecommended hole sizes for metric self-tappers .Drill bit sizes for self tapping screws. Pilot Hole Drill Bit Size Chart for Wood Screws How to Correctly Use Sheet Metal Screws VeebOur Self Tapping Screws. They're designed to attach to metal, .When pre-drilling for screws, how do you determine the .. Sep 8, 2011 — Pilot hole size: Pilot hole chart. Wood Screw Diameter: enter image description here. ****Major thread diameter** is measured on the outside .5 answers  ·  Top answer: Here are some charts from Bolt Depot. Bolt Depot is a handy resource, and has lots of information .6 screw pilot hole size metal - Divin'Harmonie. StuffSure Pilot Hole Drill Bit Size Chart for Wood Screws Machinist Screw Thread Tap - Drill Size Table Chart ANSI Sizes How To Use Self Tapping Screws .14 sheet metal screw pilot hole. I also have included the chart for drill bit size per tap size. . 2010 · The accepted pilot hole size for a #10 sheet metal screw is 9/64".Pilot hole for #14 sheet metal screw. The pilot-hole drill bit size depends on the sheet-metal screw size. . Sheet Metal Screw Sizes Chart - Yard and Garden Guru PILOT HOLE SIZES - Engineered .Welcome to Kreg Tool. Innovative Solutions for all of your Woodworking and DIY Project Needs.Standard plans | WSDOT - WA.gov. . Permit fee calculator · Axle spacing report · Legal weight chart · Pilot . Rectangular Solid Metal Cover . Coupling Bands for Corrugated Metal Pipe.Untitled. Sheet metal screw for 3/16 hole What Size Drill Bit for #8 & #10 Screw? Pilot Hole Size Chart WebNeedle point sheet metal screws have a sharp point that can .Lag Screw Pilot Hole Diameters Guide for Construction. The chart below can be used to identify commonly accepted hole sizes. A number of variables that may change the required pilot hole dimensions, .Pilot hole 3/16. Machinist Screw Thread Tap - Drill Size Table Chart ANSI Sizes WebViele . WebPilot Hole Sizes In Sheet Metal ; ISO tap and drill size table chart, .Untitled. Sheet metal screw sizing chart https://globalizethis.org/sheet-metal-screw-pilot-hole-size-chart/ WebClearance hole chart for inch bolts and screws .Untitled. Sheet Metal Self Threading ANSI Screws Dimensions for B and BP Threads. . Pilot Hole Drill Bit Size Chart For Wood & Metal Screws What Size Drill Bit for .Untitled. Sheet Metal Thread Dimensions for … the umbra king amazon What Size Drill Bit for . near Milky Way Pilot Hole Drill Bit Size Chart For Wood & Metal Screws .4 Band Resistor Color Code Calculator. The resistor color code calculator makes it easy to identify and select resistance and tolerance values for 4, 5, and 6 band through hole resistors.30-day returnsUntitled. A clearance hole is the same size as the screw (or even slightly larger) and may . Screw chart - Anzor Australia WebPilot Hole Sizes for Steel Sheet Metal .Untitled. WebMachinist Metric ISO Screw Thread Tap - Drill Size Chart (UNC, . Pilot Hole Sizes for Steel Sheet Metal - Engineers Edge What Size Pilot Hole for #8 .What size pilot hole for 5/16 lag bolt. Recommended Pilot Holes Sizes – Inch Screws Material Thickness Inch Nominal . Sheet Metal Self Threading ANSI Screws Dimensions for B and BP Threads.No. 10 screw pilot hole. The pilot-hole drill bit size depends on the sheet-metal screw size. Pilot holes for size-4 screws should be 3/32 screw, 6/64 size, 1/8 size, 10/64 size, 12 .No. 10 screw drill size. Detailed Screw Size Charts for US and International Screws Our extensive . Pilot Hole Size Chart Sheet Metal Screw Sizes Chart - Yard and Garden Guru .Untitled. Pilot Hole Sizes In Sheet Metal - Engineers Edge Ultimate Pilot Hole Guide . forum WebPilot Hole Sizes In Sheet Metal ISO tap and drill size table chart, .Pilot hole for 8-32 screw. WebPilot Hole Sizes In Sheet Metal ISO tap and drill size table chart, fine thread series Whitworth British Screw Threads Size Chart BSW&BSF Internal .No. 10 screw drill size - valkyrmedia.com. What Size Drill Bit For #10 Screws - A 2022 Guide - Machinery … . Pilot Hole Size Chart Sheet Metal Screw Sizes Chart - Yard and Garden Guru WebJan 27, .Sanitary and Heating Age. 1917Decreasing the size of the trunk lines as branches are taken off decreases . the proper sizes of trunk lines and a chart from which branch sizes could be .Untitled. Pilot Hole Sizes In Plywood (Resin Impregnated) for Type A Steel Sheet Metal . for American wood screws Pilot Hole Drill Bit Size Chart For Wood & Metal .