COMBINED TAP AND DRILLS ( tap and drill combo)
SPIRAL FLUTED TAPS Hith-Speed Steel-Ground 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.
| 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 |
Audited Supplier 
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