The following table chart are standard metric internal thread sizes M 52 M 72 per ANSI ASME B1 13M 1995 These thread sizes and classes represent bolts and screws as well as other standard internal threads Do not use these values for standard metric external thread design All units in mm Where H P 3 1 2 2 0 866025 P or
ThreaD Drill ThreaD Drill 1 8 – 27 11 32 11 2 – 111 2 13 4 1 4 – 18 7 16 2 – 111 2 27 32 3 8 – 18 37 64 21 2 – 8 221 32 1 2 – 14 23 32 3 – 8 31 4 3 4 – 14 59 64 31 2 – 8 33 4 1 – 111 2 15 32 4 – 8 41 4 11 4 – 111 2 11 2 meTric Tap Drill SizeS m Tric Tap Tap Drill mm Decimal inch m1 6 x 0 35 1 25 0492 m1 8 x 0 35 1
Trying to make sense of all the different screw and bolt thread lengths can be a real challenge even for the most knowledgeable of professionals Are you finding yourself a little confused or do you need a quick refresher Never let thread length get the best of you with our help from ASMC
Machinist Screw Thread Tap Drill Size Table Chart ANSI Sizes Manufacturing and Design Data Menu Machinist Tap Drill Size Chart ANSI Standard Pipe Thread Machinist Metric ISO Screw Thread Tap Drill Size Chart ANSI Standard Vee Thread Recommended Tap size and Drilled pilot Hole
Mar 19 2020 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
FORMULA FOR TAP DRILL SIZES METRIC Figures in table show amount to subtract from O D of screw
Contact us for more information THREADSIZE DRILL DIAMETER Coarse Thread TAP DRILLSIZE 1 64 0595 No 53 2 56 0700 No 50 3 48 0785 No 47 4 40 0890 No 43 5 40 1015 No 38 6 32 1065 No 36 8 32 1360 No 29 10 24 1495 No 25 12 24 1770 No 16 1 4 20 2010 No 7 5 16 18 2570
Thread Check Inc is a full service gage company offering a complete line of precision thread plug and ring gages plain cylindrical plug and ring gages custom gauges patented 3 wire thread measuring systems API pipe gages API master thread gages tri roll thread comparators powerful thread engineering software gear measuring wires and instruments cutting tools
77 rows nbsp 0183 32 Tap size Major Dia mm Threads per Tap Drill mm Tap Drill inch Clearance
Tap amp Clearance Drill Sizes Tap Drill Clearance Drill Screw Size Major Diameter Plastics Threads Per Inch Minor Aluminum Brass Diameter 75 Thread for amp 50 Thread for Steel Stainless amp Iron Close Fit Free Fit Drill Size Dec Eq Drill
Taper Length Drill Bit Chart Bimetal Hole Saw RPM Chart Carbide Tipped Hole Cutter RPM Chart Tap Resources Tap and Drill Chart Tap and Drill Sizes Metric Tap and Drill Chart NPT Tap Drill Chart NPS Tap Drill Chart Screw Machine Tap Size Chart Special Tap and Drill Bit Size Calculator Metric Tap Drill Bit Size Calculator Tap Wrench Chart
1 For metric threads pitch is the distance between threads 1 mm 0 039 inches Metric Bolts Proof Loads Download and print metric coarce threads clearance and tap drill chart Metric Threads Finer Threads It is common to designate metric fine threads with the capital M plus an indication to their nominal outer diameter and their pitch
Round roots are now the norm in the USA and the thread is described are UNRC UNRF the R for round root The Germans Swiss and French each developed their own metric screw thread forms The metric world eventually agreed but not formalised in 1898 on the Systeme Internationale SI metric thread series with a 60 degree thread angle
tap drill sizes cont pipe thread drilled hole sizes tap size cutting taps tru flo ™ forming taps inch metric drill size decimal equivalent drill size decimal equivalent 3 4 10 21 32 6562 45 64 7031 3 4 16 11 16 6875 23 32 7188 m20 x 2 50 17 50mm 6890 m20 x 1 50 18 50mm 7283 m22 x 2 50 19 50mm 7677 m22 x 1 50 20 50mm 8071 7 8 9 49 64
Apr 22 2020 nbsp 0183 32 The tap size chart is a table that lists standard size taps specifying the diameter and thread spacing for fractional metric and screw sizes Fractional sizes are listed in inches metric sizes are listed in millimeters following the letter quot M quot
17 0000 0 6693 DIN 939 Studs Tap End 1 25d 17 0656 43 64 quot 0 6719 DIN 960 Hex Cap Screws Fine Part Thread 17 4625 11 16 quot 0 6875 DIN 961 Hex Cap Screws Fine Full Thread 17 5000 0 6890 DIN 963 A Slotted Flat Head Machine Screws 17 8594 45 64 quot 0 7031 DIN 964 A Slotted Oval Head Machine Screws
The data chart below shows the standard metric coarse threads and their drill holes sizes were are most commonly used when tapping sheet metal fabrications METRIC COARSE THREAD SIZES in mm Tap Size
Tap size Basic major dia mm Basic major dia inch mm per thread Drill size mm Drill size inch M1 6 x 0 35 1 6mm 0630 35 1 25mm 55 M2 x 0 4 2mm 0787 4 1 6mm 52 M2 5 x
Helicoil Tapping Data Metric Heli Coil taps in various types and styles produce holes for Tolerance Classes 4H5H or 3B and 5H or 2B for use in the general range of aluminums magnesiums mild steels free machining stainless steels and other free machining materials
That s why these lower percentage are a better idea for your tap s tool life Thread Percentage vs Strength Chart Let s take a closer look at the relationship between torque and thread strength based on thread percentage Red marks the typical 75 percent of thread drill recommendation Chart courtesy of Tapmatic
Metric Tap Chart Tap Drill Clearance Drill Aluminum Brass Plastics Steel Stainless Steel Iron Close Fit Standard Fit 75 Thread 50 Thread Screw Size Major Dia mm mm per Thread Drill Size Closest Imperial Drill Size Closest Imperial Drill Size Closest Imperial Drill Size
Thread Size Tap Drill mm Thread Size Tap Drill mm Thread Size Tap Drill mm Thread Size Tap Drill mm M1 x 0 25 0 75 M3 5 x 0 6 2 90 M12 x 1 75 10 20 M36 x 4 32 00 M1 1 x
Largest range of all types of bolts and nuts socket screws washers machine screws rivets screws self drillers boat hardware masonry fasteners
52 rows nbsp 0183 32 Metric Tap Chart Tap Drill Clearance Drill Aluminum Brass Plastics Steel
THREAD DATA CHARTS METRIC THREAD ELECTRICAL THREAD Pg BACK TO INDEX Pg thread usage is trying to be phased out in continental Europe A new metric thread standard EN 50262 will be phased in as mandatory beginning on March 1 2001 replacing the Pg thread There was a different standard for electrical conduit threads based on the 55 176 Whitworth
Machine Screw Size Number of Threads Per Inch Minor Dia Tap Drills Clearance Hole Drills Aluminum Brass amp Plastics 75 Thread Stainless Steel Steels amp Iron
Metric Tap amp Drill Chart METRIC THREAD SIZES Thread Size Tap Drill Size M1 6 x 0 35 1 25mm or 55 M2 x 0 4 1 60mm or 52 M2 5 x 0 45 2 05mm or 46 M3 x 0 5 2 50mm or 39 M3 5 x 0 6 2 90mm or 32 M4 x 0 7 3 30mm or 30 4 20mm or 19 M6 x 1 5 00mm or 8 M8 x 1 25 6 8mm or H M8 x 1 7 00mm or J M10 x 1 5 8 50mm or R M10 x 1 25 8 80mm or 11 32
17 11 2010 nbsp 0183 32 Metric Coarse Thread Pitch Tap Tolerance Metric Fine Thread choice Tap Tolerance 4H Tap 6H Tap 4H Tap 6H Tap M 1 6 0 35 D2 D2 D3 M 3 x 0 35 D2 D3 M 1 8 0 35 D2 D2 D3 M 4 x 0 50 D2 D3 M 2 0 0 40 D2 D3 M 6 x 0 50 D2 D3 D3 D4 M 2 2 0 45 D2 D3 M 6 x 0 75 D2 D3 D4 M 2 5 0 45 D2 D3 M 8 x 0 75 D2 D3 D4 M 3 0
METRIC THREAD Drill amp Tap Chart Coarse Thread Sizes Thread Size Tap Drill mm Thread Size Tap Drill mm Thread Size Tap Drill mm Thread Size Tap Drill mm Thread Size Tap Drill mm M4 x 0 35 3 60 M10 x 0 75 9 25 M16 x 1 15 0 M24 x 1 5 22 5 M4 x 0 5 3 50 M10 x 1 9 0 M16 x 1 5
Metric Thread Size Chart Product Table Tap Size Diameter in Diameter mm Thread Count TPI Thread Pitch mm Tap Drill Size M24x1 0 9449 24 0000 26 1 000 23 mm M24x1 5 0 9449 24 0000 17 1 500 22 5 mm M24x2 0 9449 24 0000 13