Combined drill & tap

Product Detail

COMBINED TAP AND DRILLS ( tap and drill combo)

High Speed Steel-Ground Thread

These combined drills and taps will do two operations at one time. They are designed so that through-holes up to times the tap diameter can be drilled and tapped at high RPM.

Metric size

Nominal size	Drill size	Thread length	Overall length
Nominal size	Drill size	Thread length	Overall length
M3 X .5	0.1015	13/32	1-15/16
M3.5 X .6	0.1181	7/16	2
M4 X .7	0.1339	1/2	2-1/8
M4.5X.75	0.152	7/8	2-3/8
M5 X .8	0.1695	5/8	2-3/8
M6 X 1	0.2031	25/32	2-1/2
M7 X 1	0.242	15/16	2-27/32
M8 X 1.25	0.2735	15/16	2-27/32
M10 X 1.5	0.3445	1-1/16	3-3/8
M12 X 1.75	0.4134	1-3/8	4-1/16

Fractional size

Nominal size	Drill size	Thread length	Overall length
Nominal size	Drill size	Thread length	Overall length
1/4-20	.2080	13/16	2-1/2
1/4-28	.2200	23/32	2-1/2
5/16-18	.2660	31/32	2-27/32
5/16-24	.2770	7/8	2-27/32
3/8-16	.3225	1-1/8	3-3/8
3/8-24	.3395	1	3-3/8
7/16-14	.3770	1-5/16	3-3/4
7/16-20	.3955	1-3/16	3-3/4
1/2-13	.4350	1-15/32	4-1/16
1/2-20	.4580	1-15/16	4-1/16
5/8-11	.5750	1-3/4	5
3/4-10	.7200	2	6

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E-mail : frankpan@scharptools.com

Address：168--27#,No.168 Dingmaoqiao Road,Zhenjiang,Jiangsu 212002 China