drill size decimal equivalent amp tap drill chart decimal equivalent chart drill decimal size mm equivalent – 0 10 0039 – 0 20 0079 – 0 25 0098 – 0 30 0118 80 0 34 0135 79 0 37 0145 1 64 0 40 0156 78 0 41 0160 77 0 46 0180 – 0 50 0197 76 0 51 0200 75 0 53 0210 74 0 57 0225 – 0 60 0236 73 0 61 0240 72 0 64 0250 71 0 66 0260 – 0 70 02762020 3 19 nbsp 0183 32 Drill Bit Sizes Metric The drill size chart contains tools up to 1 5 inches in diameter but larger tools are also commonly used Drill Bit Sizes English Tap Sizes Metric For each thread count the equivalent thread pitch is provided and for metric taps the approximate thread count is shown based on the pitch 2022 2 13 nbsp 0183 32 Drill Bit Size Chart – Fractions Metric Imperial System In the chart below you can see the different values expressed in three common ways Well depending on where you live The first column is dedicated to fractions while the following two represent the same value expressed in the imperial and metric systems 2009 10 15 nbsp 0183 32 Please send corrections and comments to eng form Last Updated on 05 01 200305 01 2003How to Convert Drill Bit Sizes The first thing you do is consult the tap drill chart to look for the accompanying drill bit size for a tap most of these are available online There are tap drill charts which will give you the right tap for drilling in

Drill Bit Selection Guide Drill Bits SDS Drill Bits Drill Bits On This Page Jobber Drills Cobalt Jobber Drills Long Series Drills Reduced Shank Drills HSS Reduced Shank Drills Panel amp Rivet Drills Step Drills Masonry Drills Glass amp Tile Drills Auger Bits Ship Auger Bits Scotch Pattern Auger Bits Auger Bits HSS Spade Bits Wood Borer Forstner Bits Countersinks 2022 2 2 nbsp 0183 32 The Milescraft DrillBlock™ drill guide allows you to drill straight holes all of the time on many different drilling surfaces On the drill guide bushing block there are 6 holes for common drill bits sizes The bushing block is held at a 2018 09 09 nbsp 0183 32 Fractional drill bits are definedby the ANSI B94 11M 1979 standard Most commonly used in the US but can still be found occasionally in the UK these imperial measurement drill bits come in 1 64 inch increments The fractions used are always in their simplest form i e reduced as far as possible so 2 64 becomes 1 32 for instance 2018 09 09 nbsp 0183 32 Metric Drill Bit Sizes Metric drill sizes are used primarily in Europe and use metric units to measure the drill bit diameter There are a variety of standards used to define drill sizes the most common one in the UK is the British Standard BS 328 set which includes twist drill bit sizes between 0 2 mm and 25 mm HSS Titanium Drill Bits Imperial Prices from 163 2 04 163 1 70 HSS fully ground drill bit split point 135 degrees Titanium coated for longer life For drilling steel plastic wood and similar materials For enhanced performance check out our Cobalt drill bit range For drilling stainless steel we recommend our TCT drill bits

Drill bit sizes You can see drill bit sizes and dimensions of all TTP HARD cobalt bits below First chart is for Imperial drill bits and second is for metric sizes HSS Drill Bits Imperial In stock SKU 12 000 Rolled high speed straight shank HSS drill bit Split point 118 degrees For drilling steel plastic wood and similar materials For enhanced performance check out our HSS Ground Drill Bits 2022 2 18 nbsp 0183 32 Drill bits are the cutting tools of drilling machines They can be made in any size to order but standards organizations have defined sets of sizes that are produced routinely by drill bit manufacturers and stocked by distributors In the U S fractional inch and gauge drill bit sizes are in common use In nearly all other countries metric drill bit sizes are most 2022 2 13 nbsp 0183 32 Below is a comprehensive drill and tap size chart for all drills and taps imperial and metric up to 36 5 millimetres 1 44 in in diameter In manufactured parts holes with screw threads are often needed they Drill Bit Size Chart Imperial To Metric Best Picture Of Chart Anyimage Org Pre ream hole size super tool size drill bit do you use for 5mm leds drill size chart hining 23 Christopher Peckham 30 followers Wood Drill Bits Wood Screws

84 rows nbsp 0183 32 There a few different methods to size drill bits Some drills are numbers some metric Woodcraft features the drill bit sets specialty drill bits depth stop drill guides and springs for all your woodworking needs Accessibility Information Skip to Main Content Skip to Primary Navigation Find a Store Find a Store My Account My Cart Go to Home Page Mobile Navigation My Cart Same Day Shipping Find a Store 1 800 225 1153 Customer Care Search Go Specials The ASME B94 11M twist drill standard establishes number drill bit sizes from size 1 to 97 In practice you will seldom see number sizes past 80 The numbered sizes are based on but unfortunately are not identical to the Stubs Steel Wire Gauge which originated in 19th century Great Britain Letter Sizes are Imperial drill bit sizes ANSI and ISO Twist drill size chart Fractional and Metric Sizes per ANSI ASME B94 11M 1993 below are the standard size drill bits used and readily available in industry Fractional sizes are measured in inches while metric sizes are A 1 4 drill bit is 7mm or 0 2756m in metric size What are standard drill sizes The standard drill sizes come in 1 4 inches 3 8 inches and 1 2 inches for home use 5 8 inches and 3 4 inches are also available but are usually for industrial and heavy duty drills

Most commonly used in the US but can still be found occasionally in the UK these imperial measurement drill bits come in 1 64 inch increments The fractions used are always in their simplest form i e reduced as far as possible so 2 64 Imperial Drill Bit Sizes Sizes 1 16″ to 1 4″ are available in packs of 10 drill bits Sizes 17 64″ to 1 2″ are available individually 2020 12 17 nbsp 0183 32 Drill sizes given are the closest drill size TAP DRILL SIZES INCH amp METRIC with DRILL SIZE FORMULAS cont ENGINEERING DATA THREADS PER INCH DOUBLE THREAD DEPTH 50 THREAD 55 THREAD 60 THREAD RECOMMENDED RANGE 80 THREAD 85 THREAD 65 THREAD 70 THREAD 75 THREAD 6 21651 1083 1192 Metric drill bit sizes define the diameter of the bit in terms of standard metric lengths Metric drill bits are measured by following the metric system which is the significant and fundamental difference between any imperial drill bits and matric drill bits But almost any drill that uses imperial measured bits can also fit with the bits measured in the metric system It means that Drill bit diameter is the most important factor in the drilling process and it should know precisely as much as possible to sharpen or tolerate the diameter All over the world one of the metric or imperial units is used as the general unit When you use this you have to convert each with different units types 1 inch is equal to 25 4 mm