Docstoc

tap drill size

Document Sample
tap drill size Powered By Docstoc
					Metric Tap & Clearance Drill Sizes
Screw Size (mm) M1.5 M1.6 M 1.8 M2 M 2.2 M 2.5 M3 M 3.5 M4 M 4.5 M5 M 5.5 M6 M7 M8 M9 M 10 M 11 M 12 Thread Pitch (mm) 0.35 0.35 0.35 0.45 0.40 0.45 0.45 0.60 0.50 0.60 0.75 0.70 0.75 1.00 0.90 0.80 0.90 1.00 0.75 1.00 0.75 1.25 1.00 1.25 1.00 1.50 1.25 1.00 1.50 1.75 1.50 1.25 2.00 1.50 1.25 1.50 2.00 1.50 1.50 2.50 2.00 1.50 2.50 2.50 2.00 1.50

Tap Drill 75% Thread for Aluminum, Brass, & Plastics Drill Size (mm) 1.15 1.25 1.45 1.55 1.60 1.75 2.05 2.40 2.50 2.90 3.25 3.30 3.75 4.00 4.10 4.20 4.60 5.00 5.25 6.00 6.25 6.80 7.00 7.80 8.00 8.50 8.80 9.00 9.50 10.30 10.50 10.80 12.10 12.50 12.80 13.50 14.00 14.50 15.50 15.50 16.00 16.50 16.50 17.50 18.00 18.50 Closest American Drill 56 55 53 1/16 52 50 46 41 39 32 30 30 25 21 20 19 14 8 4 B D H J N O R 11/32 T 3/8 13/32 Z 27/64 15/32 1/2 1/2 17/32 35/64 37/64 39/64 39/64 5/8 21/32 21/32 11/16 45/64 47/64 50% Thread for Steel, Stainless, & Iron Drill Size (mm) 1.25 1.35 1.55 1.70 1.75 1.90 2.20 2.60 2.70 3.10 3.50 3.50 4.00 4.40 4.40 4.50 4.90 5.40 5.50 6.40 6.50 7.20 7.40 8.20 8.40 9.00 9.20 9.40 10.00 10.90 11.00 11.20 12.70 13.00 13.20 14.00 14.75 15.00 16.00 16.50 16.75 17.00 17.50 18.50 18.50 19.00 Closest American Drill 55 54 1/16 51 50 48 44 37 36 31 28 28 22 11/64 17 16 10 4 7/32 E F J L P 21/64 T 23/64 U X 27/64 7/16 7/16 1/2 33/64 33/64 35/64 37/64 19/32 5/8 41/64 21/32 43/64 11/16 23/32 47/64 3/4 Close Fit Drill Size (mm) 1.60 1.70 1.90 2.10 2.30 2.65 3.15 3.70 4.20 4.75 5.25 5.80 6.30 7.40 8.40 9.50 10.50 11.60 12.60

Clearance Drill Standard Fit Drill Size (mm) 1.65 1.75 2.00 2.20 2.40 2.75 3.30 3.85 4.40 5.00 5.50 6.10 6.60 7.70 8.80 9.90 11.00 12.10 13.20 Closest American Drill 52 50 5/64 44 41 7/64 30 24 17 9 7/32 B G N S 25/64 7/16 15/32 33/64

Closest American Drill 1/16 51 49 45 3/32 37 1/8 27 19 13 5 1 E L Q 3/8 Z 29/64 1/2

M 14 M 15 M 16 M 17 M 18 M 19 M 20

14.75 15.75 16.75 18.00 19.00 20.00 21.00

37/64 5/8 21/32 45/64 3/4 25/32 53/64

15.50 16.50 17.50 18.50 20.00 21.00 22.00

39/64 21/32 11/16 47/64 25/32 53/64 55/64

the premier source of parts and accessories for mini lathes and mini mills

LittleMachineShop.com • (800) 981-9663

the premier source of parts and accessories for mini lathes and mini mills

LittleMachineShop.com • (800) 981-9663

Tap & Clearance Drill Sizes
Screw Size 0 1 2 3 4 5 6 8 10 12 Major Diameter .0600 .0730 .0860 .0990 .1120 .125 .138 .1640 .1900 .2160 Threads Per Inch 80 64 72 56 64 48 56 40 48 40 44 32 40 32 36 24 32 24 28 32 20 28 32 18 24 32 16 24 32 14 20 28 13 20 28 12 18 24 11 18 24 24 10 16 20 20 9 14 20 20 8 12 20 Minor Diameter .0447 .0538 .0560 .0641 .0668 .0734 .0771 .0813 .0864 .0943 .0971 .0997 .1073 .1257 .1299 .1389 .1517 .1649 .1722 .1777 .1887 .2062 .2117 .2443 .2614 .2742 .2983 .3239 .3367 .3499 .3762 .3937 .4056 .4387 .4562 .4603 .4943 .5114 .5135 .5568 .5739 .6364 .6273 .6733 .6887 .7512 .7387 .7874 .8137 .8762 .8466 .8978 .9387

Tap Drill 75% Thread for Aluminum, Brass, & Plastics Drill Size Dec. Eq. 3/64 .0469 53 .0595 53 .0595 50 .0700 50 .0700 47 .0785 45 .0820 43 .0890 42 .0935 38 .1015 37 .1040 36 .1065 33 .1130 29 .1360 29 .1360 25 .1495 21 .1590 16 .1770 14 .1820 13 .1850 7 .2010 3 .2130 7/32 .2188 F .2570 I .2720 9/32 .2812 5/16 .3125 Q .3320 11/32 .3438 U .3680 25/64 .3906 Y .4040 27/64 .4219 29/64 .4531 15/32 .4688 31/64 .4844 33/64 .5156 33/64 .5156 17/32 .5312 37/64 .5781 37/64 .5781 41/64 .6406 21/32 .6562 11/16 .6875 45/64 .7031 49/64 .7656 49/64 .7656 13/16 .8125 53/64 .8281 57/64 .8906 7/8 .8750 15/16 .9375 61/64 .9531 50% Thread for Steel, Stainless, & Iron Drill Size Dec. Eq. 55 .0520 1/16 .0625 52 .0635 49 .0730 48 .0760 44 .0860 43 .0890 41 .0960 40 .0980 7/64 .1094 35 .1100 32 .1160 31 .1200 27 .1440 26 .1470 20 .1610 18 .1695 12 .1890 10 .1935 9 .1960 7/32 .2188 1 .2280 1 .2280 J .2770 9/32 .2812 L .2900 Q .3320 S .3480 T .3580 25/64 .3906 13/32 .4062 Z .4130 29/64 .4531 15/32 .4688 15/32 .4688 33/64 .5156 17/32 .5312 17/32 .5312 9/16 .5625 19/32 .5938 19/32 .5938 21/32 .6562 11/16 .6875 45/64 .7031 23/32 .7188 25/32 .7812 51/64 .7969 53/64 .8281 27/32 .8438 29/32 .9062 59/64 .9219 61/64 .9531 31/32 .9688

Clearance Drill Close Fit Drill Size 52 48 43 37 32 30 27 18 9 2 Dec. Eq. .0635 .0760 .0890 .1040 .1160 .1285 .1440 .1695 .1960 .2210 Free Fit Drill Size 50 46 41 35 30 29 25 16 7 1 Dec. Eq. .0700 .0810 .0960 .1100 .1285 .1360 .1495 .1770 .2010 .2280

1/4

.2500

F

.2570

H

.2660

5/16

.3125

P

.3230

Q

.3320

3/8

.3750

W

.3860

X

.3970

7/16

.4375

29/64

.4531

15/32

.4687

1/2

.5000

33/64

.5156

17/32

.5312

9/16

.5625

37/64

.5781

19/32

.5938

5/8 11/16 3/4 13/16 7/8 15/16 1

.6250 .6875 .7500 .8125 .8750 .9375 1.000

41/64 45/64 49/64 53/64 57/64 61/64 1-1/64

.6406 .7031 .7656 .8281 .8906 .9531 1.0156

21/32 23/32 25/32 27/32 29/32 31/32 1-1/32

.6562 .6562 .7812 .8438 .9062 .9688 1.0313