Metal Drilling
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METAL DRILLING
141
Jobber Length Drill Bits
Cobalt HSS Fractional
Straight Shank Jobber Length Drill Bits
with 135˚ Point (Series 3016/631)
Size
Decimal
Equiv.
Flute
Length
Overall
Length
Carded
Item #
Bulk
Item #
1/16"
.0625
7/8"
1-7/8"
3016004
63104
5/64"
.0781
1"
2"
3016005
63105
ZR
3/32"
.0938
1-1/8"
2-1/4"
3016006
63106
7/64"
.1094
1-1/2"
2-5/8"
3016007
63107
1/8"
.1250
1-5/8"
2-3/4"
3016008
63108
9/64"
.1406
1-3/4"
2-7/8"
3016009
63109
5/32"
.1563
2"
3-1/8"
3016010
63110
11/64"
.1719
2-1/8"
3-1/4"
3016011
63111
3/16"
.1875
2-5/16"
3-1/2"
3016012
63112
ZR
13/64"
.2031
2-7/16"
3-5/8"
3016013
63113
ZR
7/32"
.2188
2-1/2"
3-3/4"
3016014
63114
15/64"
.2344
2-5/8"
3-7/8"
3016015
63115
1/4"
.2500
2-3/4"
4"
3016016
63116
17/64"
.2656
2-7/8"
4-1/8"
3016017
63117
9/32"
.2813
2-15/16"
4-1/4"
3016018
63118
19/64"
.2969
3-1/16"
4-3/8"
3016019
63119
5/16"
.3125
3-3/16"
4-1/2"
3016020
63120
21/64"
.3281
3-5/16"
4-5/8"
3016021
63121
11/32"
.3438
3-7/16"
4-3/4"
3016022
63122
23/64"
.3594
3-1/2"
4-7/8"
3016023
63123
3/8"
.3750
3-5/8"
5"
3016024
63124
25/64"
.3906
3-3/4"
5-1/8"
3016125
63125
13/32"
.4063
3-7/8"
5-1/4"
3016126
63126
27/64"
.4219
3-15/16"
5-3/8"
3016127
63127
7/16"
.4375
4-1/16"
5-1/2"
3016128
63128
29/64"
.4531
4-3/16"
5-5/8"
3016129
63129
15/32"
.4689
4-5/16"
5-3/4"
3016130
63130
31/64"
.4844
4-3/8"
5-7/8"
3016131
ZR 63131
1/2"
.5000
4-1/2"
6"
3016132
63132
Engineered with Cobalt for high heat and abrasion
resistance.
• 135
° split-point tip starts drilling immediately and
eliminates “walking.”
Straight shank
Applications:
Tough metal drilling, including heavy-duty abrasive alloy metal
drilling on hardened steel (heat-treated)
Sets
:
Pro Set Case: 316015
Metal Index: 63137, 63221 (M35 grade, 5% Cobalt)
Pro Set Case: 316015
Metal Index: 3018002B (M42 grade, 8% Cobalt)
63124
Cobalt HSS Fractional 3/8" Reduced
Shank Jobber Length Drill Bits
with 135˚ Point (Series 30160)
Size
Decimal
Equiv.
Flute
Length
Overall
Length
Carded
Item #
Bulk
Item #
25/64"
.3906
7/8"
1-7/8"
3016025
3016225
13/32"
.4063
1"
2"
3016026
3016226
27/64"
.4219
1-1/8"
2-1/4"
3016027
3016227
7/16"
.4375
1-1/2"
2-5/8"
3016028
3016228
29/64"
.4531
1-5/8"
2-3/4"
3016029
3016229
15/32"
.4689
1-3/4"
2-7/8"
3016030
3016230
31/64"
.4844
2"
3-1/8"
3016031
ZR 3016231
1/2"
.5000
2-1/8"
3-1/4"
3016032
3016232
Standard Cobalt bit with 3/8" reduced shank
Applications:
Tough metal drilling, including heavy-duty abrasive alloy metal
drilling on hardened steel (heat-treated)
Sets:
Pro Set Case: 316015 (M35 grade);
Metal Index: 63137, 63221 (M35 grade); 3018002B (M42 grade)
3016228