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MECHANIC LENGTH DRILL BITS - Fractional
Magnum Super Premium
• 3 Flats on Shank
• 135° Split Point
• Fractional Sizes
• 3/8 Shank on bit sizes 13/32 & above
Decimal
Flute
Overall
Dia.
Equiv.
Length
Length
Part No.
1/16
.0625
7/8
1-7/8
5/64
.0781
1
2
3/32
.0938
1-1/4
2-1/4
7/64
.1094
1-5/16
2-3/8
1/8
.1250
1-7/16
2-1/2
9/64
.1406
1-9/16
2-5/8
5/32
.1562
1-11/16
2-3/4
11/64
.1719
1-13/13
2-7/8
3/16
.1875
1-7/8
3
13/64
.2031
1-15/16
3-1/8
7/32
.2188
2
3-1/4
29 Piece Set
15/64
.2344
2-1/16
3-3/8
1/16 to 1/2 by 64ths
part# NSM-57920
1/4
.2500
2
3-1/2
17/64
.2656
2-1/8
3-5/8
9/32
.2812
2-1/4
3-3/4
21 Piece Set
19/64
.2969
2-3/8
3-7/8
1/16 to 3/8 by 64ths
part# NSM-57810
5/16
.3125
2-1/2
4
21/64
.3281
2-9/16
4-1/16
11/32
.3438
2-5/8
4-1/8
15 Piece Set
23/64
.3594
2-11/16
4-3/16
1/16 to 1/2 by 32ths
part# NSM-66470
3/8
.3750
2-11/16
4-1/4
25/64
.3906
2-3/4
4-5/16
13/32
.4062
2-13/16
4-3/8
13 Piece Set
1/16 to 1/4 by 64ths
27/64
.4219
2-7/8
4-7/16
12
part# NSM-66460
7/16
.4375
2-5/16
4-1/2
29/64
.4531
3
4-5/8
15/32
.4688
3/18
4-3/4
31/64
.4844
3-1/4
4-7/8
1/2
.5000
3-3/8
5
Magnum Super Premium
» Special Hi-Molybdenum tool steel.
Order by the full pack or individually.
» 135° split point for fast penetration and accurate
1/16 thru 9/32, 12 per pack;
starting without center punch.
19/64 thru 1/2, 6 per pack.
» Precision ground point, flutes, body, clearance
and drill diameter for the ultimate in accuracy
and performance
12 - 5