Read Tap Drill and conversion feb2010 text version

This chart can be used as a guide for the most common tap drill sizes and conversions The drill sizes have proven most effective for most tool steels and mild steels

This chart can be used as a guide for the most common tap drill sizes and conversions The drill sizes have proven most effective for most tool steels and mild steels

Mirco Graenert Consulting Inc.

72-77% Thread

PG1

www.canstampconsulting.com

72-77% Thread

PG2

C 2010 mm Pitch

2105 Twinney Drive Unit #14, Newmarket Ontario - Call Us: 905 715 7575 Sales for Brankamp, IPdisplays, Eagle Thread Verifier, Sensor Products max OD of tap Imperial cut Tap Pitch Drill #80 #79 1/64 #78 #77 #76 #75 #74 #73 #72 #71 #70 #69 #68 1/32 #67 #66 #65 #64 #63 #62 #61 #60 #59 #58 #57 #56 3/64 #55 #55 #54 #53 1/16 #52 #51 #50 #50 #49 #48 5/64 #47 #46 #45 #44 #43 #42 3/32 #41 #40 #39 #38 #37 #36 7/64 #35 #34 #33 #32 #31 1/8 #30 #29 #29 #28 9/64 #27 #27 #27 #26 #25 #24 #23 5/32 #22 #21 #20 #19 #18 #18 11/64 #17 #16 #15 #14 #13 3/16 #12 #11 #10 #9 #9 #8 #7 13/64 #6 #5 Inches 0.0135 0.0145 0.0156 0.0160 0.0180 0.0200 0.0210 0.0225 0.0240 0.0250 0.0260 0.0278 0.0292 0.0310 0.0313 0.0320 0.0330 0.0350 0.0360 0.0370 0.0380 0.0390 0.0400 0.0410 0.0420 0.0430 0.0465 0.0469 0.0520 0.0520 0.0550 0.0595 0.0625 0.0635 0.0670 0.0700 0.0700 0.0730 0.0760 0.0781 0.0785 0.0810 0.0820 0.0860 0.0890 0.0935 0.0937 0.0960 0.0980 0.0995 0.1015 0.1040 0.1065 0.1093 0.1100 0.1110 0.1130 0.1160 0.1200 0.1250 0.1285 0.1360 0.1360 0.1405 0.1406 0.1440 0.1440 0.1440 0.1470 0.1495 0.1520 0.1540 0.1563 0.1570 0.1590 0.1610 0.1660 0.1695 0.1695 0.1719 0.1730 0.1770 0.1800 0.1820 0.1850 0.1875 0.1890 0.1910 0.1935 0.1960 0.1960 0.1990 0.2010 0.2031 0.2040 0.2055 MM 0.343 0.368 0.396 0.406 0.457 0.508 0.533 0.572 0.610 0.635 0.660 0.706 0.742 0.787 0.795 0.813 0.838 0.889 0.914 0.940 0.965 0.991 1.016 1.041 1.067 1.092 1.181 1.191 1.321 1.321 1.397 1.511 1.588 1.613 1.702 1.778 1.778 1.854 1.930 1.984 1.994 2.057 2.083 2.184 2.261 2.375 2.380 2.438 2.489 2.527 2.578 2.642 2.705 2.776 2.794 2.819 2.870 2.946 3.048 3.175 3.264 3.454 3.454 3.569 3.571 3.658 3.658 3.658 3.734 3.797 3.861 3.912 3.970 3.988 4.039 4.089 4.216 4.305 4.305 4.366 4.394 4.496 4.572 4.623 4.699 4.763 4.801 4.851 4.915 4.978 4.978 5.055 5.105 5.159 5.182 5.220 Metric cut Tap mm Pitch

Call us for your custom machining, precision welding, tool design and stamping tool repair or stamping die consulting. OD Max 0.2500 MGC Press Work Stamping Forming Drawing Samples 0.3125 Prototyping 5/16" NC 18 Imperial cut Tap 1/4" NF Pitch 28 Drill #4 #3 7/32 #2 #1 A 15/64 B C D 1/4 E F G 17/64 H I J 5/16 K 9/32 L M 19/64 N 5/16 O P 21/64 Q Q Q R 21/64 11/32 S T 23/64 U 3/8 3/8 V W 25/64 X Y 13/32 Z 27/64 7/16 7/16 29/64 15/32 31/64 1/2 33/64 17/32 35/64 9/16 37/64 19/32 39/64 5/8 41/64 21/32 43/64 11/16 45/64 23/32 47/64 3/4 49/64 25/32 51/64 13/16 53/64 53/64 27/32 55/64 7/8 57/64 29/32 59/64 15/16 61/64 31/32 63/64 1_7/64 1_11/64 1_19/64 1_7/32 1_19/64 1_11/32 1_27/64 1_9/16 1_25/32 Inches 0.2090 0.2130 0.2188 0.2210 0.2280 0.2340 0.2344 0.2380 0.2420 0.2460 0.2500 0.2500 0.2570 0.2610 0.2656 0.2660 0.2720 0.2770 0.3125 0.2811 0.2813 0.2900 0.2950 0.2969 0.3020 0.3125 0.3160 0.3230 0.3281 0.3320 0.3320 0.3320 0.3390 0.3281 0.3438 0.3480 0.3580 0.3594 0.3680 0.3750 0.3750 0.3770 0.3860 0.3906 0.3970 0.4040 0.4063 0.4130 0.4219 0.4375 0.4375 0.4531 0.4688 0.4844 0.5000 0.5156 0.5313 0.5469 0.5625 0.5781 0.5938 0.6094 0.6250 0.6406 0.6563 0.6719 0.6875 0.7031 0.7188 0.7344 0.7500 0.7656 0.7813 0.7969 0.8125 0.8281 0.8281 0.8438 0.8594 0.8750 0.8906 0.9063 0.9219 0.9375 0.9532 0.9688 0.9844 1.1094 1.1719 1.2969 1.2188 1.2969 1.3438 1.4219 1.5625 1.7813 MM 5.309 5.410 5.558 5.613 5.791 5.944 5.953 6.045 6.147 6.248 6.350 6.350 6.528 6.629 6.746 6.756 6.909 7.036 7.938 7.140 7.145 7.366 7.493 7.541 7.671 7.938 8.026 8.204 8.334 8.433 8.433 8.433 8.611 8.334 8.733 8.839 9.093 9.129 9.347 9.525 9.525 9.576 9.804 9.921 10.084 10.262 10.320 10.490 10.716 11.113 11.113 11.509 11.906 12.303 12.700 13.097 13.494 13.891 14.288 14.684 15.081 15.479 15.875 16.271 16.669 17.066 17.463 17.859 18.256 18.653 19.050 19.447 19.844 20.241 20.638 21.034 21.034 21.431 21.828 22.225 22.622 23.019 23.416 23.813 24.212 24.606 25.003 28.178 29.766 32.941 30.956 32.941 34.131 36.116 39.688 45.244 Metric cut Tap

ETV

0.50 ID OD Thread M7 1.00 Fully Automated Thread Inspection M7 0.75 M6

MGC Inc.Newmarket, Ont.

Paper Thin Rapid Pressure Sensors

0.3125 0.3750

5/16" NF 3/8" NC

24 16

Precision Machining

M8 1.25 ETV Systems M8 1.00 M9 1.25 Multi Spindle Set - Up M8 0.50 EAGLE THREAD Verifier M9 1.00 ETV Thread Inspection M9 0.50 M10 1.50 M10 1.25 M10 M10 M10 M10 M11 1.25 1.00 0.75 0.50 1.50 Plastic Stamping 1.00 1.75 1.50 1.25 1.00 1.75 1.50 2.00 1.50 1.25 1.50 2.00 1.50 1.25 1.00 2.50 2.00 1.50 1.25 1.00 2.50 2.00 MGC Inc. 1.50 1.00 2.50 2.00

0.0600 0.0730 0.0730

#0 NF #1 NC #1 NF

80 64 72

Large Turning M1.6 0.35 M1.7 0.35 Acoustic Die M1.8 0.35 Sensing M2 0.40 M2.2 M2.3 0.45 0.40

Acoustic Die Protection 0.3750 3/8" NF 24

0.0860 0.0860

#2 NC #2 NF

56 64

0.4375 M2.5 M2.6 0.45 0.45

0.0990 0.0990 0.1120 0.1120

#3 NC #3 NF #4 NC #4 NF

48 56 40 48

0.1250 0.1250 0.1380 LCD 0.1380

#5 NC #5 NF #6 NC

40 44 32 LED 40

#6 NF

0.1640 0.1640

#8 NC #8 NF

32 36

M3 0.50 CAD Sheet Metal M3 0.35 MGC CAD 2D 3D M3.5 0.60 Sheet Metal Unfold M4 0.70 CAD Cut Section M4 M4 M4.5 0.35 0.50 0.75

7/16" NC 14 Tire Tread Paper Film Pressure Image 0.4375 7/16" NF 20 Fuel Cell Voltaic Stack 0.5000 1/2" NC 13 Pressure sensor film with Topaq Analysis 0.5000 1/2" NF 20 0.5625 0.5625 0.6250 0.6250 9/16" NC 9/16" NF 5/8" NC 5/8" NF 12 18 11 18

M11 M12 M12 M12 M12 M13 M13 M14 M14 M14 MGC Inc. M15 M16 M16 M16 M16 M18 M18 M18 M18 M18 M20 M20 M20 M20 M22 M22

0.7500 0.7500

3/4" NC 3/4" NF

10 16

LED & LCD Smart Boards 0.1900 #10 NC 24

0.8750 M4.5 0.45 CAD cut patterns M5 0.80 M5 0.75 M5 0.70 MGC Machining Heat Bending M5 0.50 M5.5 0.90 0.8750

7/8" NC 7/8" NF

9 14

0.1900

#10 NF

32

1.0000 1" NC MGC CAD Designs 1.0000 1.0000 1.1250 1.2500 1.2500 1.2500 1.3750 1.3750 1.5000 1.5000 1.7500 2.0000 1" NF 1" NS 1-1/8" NC 1-1/4" NC 1-1/4" NF 1-1/8" NF 1-3/8" NC 1-3/8" NF 1-1/2" NC 1-1/2" NF 1-3/4" NC 2" NC

8 12 14 7 7 12 12 6 12 6 12 5 4.5

0.2160 #12 NC 24 Pressure sensor film sales 0.2160 #12 NF 28

M22 1.50 M24 3.00 M22 1.00 M24 2.50 M24 2.00 M24 1.50 MGC Inc. M24 1.00 Precision Welding MIG TIG

CAD Rendering M5.5 0.50 M6 1.00

2D/3D Die Design 0.2500 1/4" NC

20

CAD Design ASM M6 0.75

MGC MIG Welding & TIG Welding Knife Edge Repair

LEGEND Imperial fractions and standard drills Standard number drills Standard imperial decimal conversion Standard letter drills

UNCOMMON SIZE Metric tap size, conversion, metric coarse tap, pitch Metric tap size, conversion, metric fine tap, pitch Imperial max tap diameter, Imperial National Coarse tap - threads per inch Imperial max tap diameter, Imperial National Fine tap - threads per inch Imperial max tap diameter, Imperial National Special tap - threads per inch

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Tap Drill and conversion feb2010

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