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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
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
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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0086-511-88798218

E-mail : frankpan@scharptools.com

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

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