These are the best professional High Speed Steel Brad Point and Regular Point Drills with 1/4” Hex Power Shanks available.
Size
Dec. Equiv
Flute Length
OAL Length
1514 Reg. Point
2514 Brad Point
Adapter only
5/64 or 2.0mm
.0781
1
3-1/8
15140078
25140078
QS078
3/32
.0937
1-1/4
3-3/4
15140093
25140093
QS093
2.5mm
.0984
1-3/16
3-3/8
15140098
25140098
QS098
7/64
.1094
1-1/2
15140109
25140109
QS109
3.0mm
.1181
1-5/16
3-17/32
15140118
25140118
QS118
1/8
.1250
1-5/8
3-1/2
15140125
25140125
QS125
3.5mm
.1378
1-3/4
4
15140137
25140137
QS137
9/64
.1406
15140140
25140140
QS140
5/32
.1562
2
4-1/16
15140156
25140156
QS156
4.0mm
.1575
1-11/16
15140157
25140157
QS157
11/64
.1719
2-1/8
4-3/4
15140171
25140171
QS171
4.5mm
.1772
2-3/16
4-1/2
15140177
25140177
QS177
3/16
.1875
2-5/16
15140187
25140187
QS187
5.0mm
.1968
2-1/16
15140196
25140196
QS196
13/64
.2031
2-7/16
15140203
25140203
QS203
5.5mm
.2165
2-1/4
4-25/32
15140216
25140216
QS216
7/32
.2188
2-1/2
15140218
25140218
QS218
15/64
.2344
2-5/8
5
15140234
25140234
QS234
6.0mm
.2362
15140236
25140236
QS236
1/4
.2500
2-3/4
5-1/8
15140250
25140250
QS250
5/16
.3125
3-3/16
5-5/8
15140312
25140312
QS312
3/8
.3750
3-5/8
6-1/8
15140375
25140375
QS375