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12 pc. 56 Diameter x 1-3/4 In. Wire Gauge Black Oxide Drill Bits
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BL4056
The Bosch line of metal drill bits offers a solution for every professional application. Each bit is manufactured to exacting specifications and features a split point that starts on contact with no walking or skating, eliminating the need for a center punch. Bosch black oxide bits offer superior durability, speed and selection to support most general-purpose applications.
Benefits
Speed helix design for three times faster drilling than standard bits
Available in jobber length, stubby length, extended length (aircraft), 1/2 In. reduced shank (Silver and Deming)
Last 50% longer than high-speed steel
For use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials
Easier drilling, reduced heat and extended drill bit life
Technical Data
| *Note | 31-60: 118° point; 1-30: 135° point |
| Bulk | false |
| Diameter inch | 56 |
| Flute Length in | 0.875 |
| Length in | 1.75" |
| Overall Length in | 1.75 |
| Pack Quantity | 12 |
| Shank Diameter in | 0.0465 |
BL4056
BL4056
BL4003
BL4006
BL4009
BL4012
BL4013
BL4015
BL4023
BL4027
BL4028
BL4034
BL4035
BL4038
BL4039
BL4040
BL4042
BL4044
BL4046
BL4048
BL4049
BL4050
BL4052
BL4053
BL4054
BL4055
BL4058
BL4059
BL4060
Other sizes
BL4013
Shank Diameter in
0.185
Diameter inch
13
Overall Length in
3.5
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4015
Shank Diameter in
0.18
Diameter inch
15
Overall Length in
3.375
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4060
Shank Diameter in
0.04
Diameter inch
60
Overall Length in
1.625
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4003
Shank Diameter in
0.212998
Diameter inch
3
Overall Length in
3.75
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4046
Shank Diameter in
0.081
Diameter inch
46
Overall Length in
2.125
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4048
Shank Diameter in
0.076
Diameter inch
48
Overall Length in
2
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4049
Shank Diameter in
0.073
Diameter inch
49
Overall Length in
2
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4050
Shank Diameter in
0.07
Diameter inch
50
Overall Length in
2
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4052
Shank Diameter in
0.0635
Diameter inch
52
Overall Length in
1.875
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4053
Shank Diameter in
0.0595
Diameter inch
53
Overall Length in
1.875
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4054
Shank Diameter in
0.055
Diameter inch
54
Overall Length in
1.875
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4055
Shank Diameter in
0.052
Diameter inch
55
Overall Length in
1.875
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4058
Shank Diameter in
0.042
Diameter inch
58
Overall Length in
1.625
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4059
Shank Diameter in
0.041
Diameter inch
59
Overall Length in
1.625
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4006
Shank Diameter in
0.203999
Diameter inch
6
Overall Length in
3.75
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4009
Shank Diameter in
0.196
Diameter inch
9
Overall Length in
3.625
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4012
Shank Diameter in
0.189
Diameter inch
12
Overall Length in
3.5
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4023
Shank Diameter in
0.154
Diameter inch
23
Overall Length in
3.125
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4027
Shank Diameter in
0.143998
Diameter inch
27
Overall Length in
3
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4028
Shank Diameter in
0.1405
Diameter inch
28
Overall Length in
2.875
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4034
Shank Diameter in
0.111
Diameter inch
34
Overall Length in
2.625
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4035
Shank Diameter in
0.11
Diameter inch
35
Overall Length in
2.625
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4038
Shank Diameter in
0.1015
Diameter inch
38
Overall Length in
2.5
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4039
Shank Diameter in
0.0995
Diameter inch
39
Overall Length in
2.375
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4040
Shank Diameter in
0.098
Diameter inch
40
Overall Length in
2.375
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4042
Shank Diameter in
0.0935
Diameter inch
42
Overall Length in
2.25
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point
BL4044
Shank Diameter in
0.086
Diameter inch
44
Overall Length in
2.125
Pack Quantity
12
*Note
31-60: 118° point; 1-30: 135° point