Metal Drilling
800.866.5740
METAL DRILLING
151
Extra Length Drill Bits
12"
Aircraft Extension HSS Fractional
Straight Shank Drill Bits with
135
˚ Split Point (Series 621/612)
Size
Decimal
Equiv.
Flute
Length
Overall
Length
Carded
Item #
Bulk
Item #
1/16"
.0625
7/8"
12"
62104
ZR
61204
3/32"
.0938
1-1/4"
12"
61206
1/8"
.1250
1-5/8"
12"
62108
61208
5/32"
.1563
2"
12"
61210
3/16"
.1875
2-5/16"
12"
62112
ZR
61212
7/32"
.2188
2-1/2"
12"
61214
1/4"
.2500
2-3/4"
12"
62116
61216
9/32"
.2813
2-15/16"
12"
61218
5/16"
.3125
3-3/16"
12"
62120
61220
11/32"
.3438
3-7/16"
12"
61222
3/8"
.3750
3-5/8"
12"
62124
61224
13/32"
.4063
3-7/8"
12"
61226
7/16"
.4375
4-1/16"
12"
62128
61228
15/32"
.4688
4-5/16"
12"
61230
1/2"
.5000
4-1/2"
12"
62132
61232
ZR
• 135
° split-point tip starts drilling immediately and
eliminates “walking.”
Engineered with premium high speed steel with black
oxide coating for corrosion resistance.
Ideal for applications requiring an extended reach. Not
recommended for deep drilling applications.
Straight shank
• 135
° split-point tip starts drilling immediately and
eliminates “walking.”
Engineered with premium high speed steel with black
oxide coating for corrosion resistance.
Ideal for applications requiring an extended reach. Not
recommended for deep drilling applications.
Straight shank
61224
6"
Aircraft Extension HSS Fractional Straight
Shank Drill Bits with
135
˚ Split Point (Series 667/666)
Size
Decimal
Equiv.
Flute
Length
Overall
Length
Carded
Item #
Bulk
Item #
1/16"
.0625
7/8"
6"
66704
ZR
66604
ZR
5/64"
.0781
1"
6"
66605
3/32"
.0938
1-1/4"
6"
66606
7/64"
.1094
1-1/2"
6"
66607
1/8"
.1250
1-5/8"
6"
66708
66608
9/64"
.1406
1-3/4"
6"
66609
5/32"
.1563
2"
6"
66710
66610
11/64"
.1719
2-1/8"
6"
66611
3/16"
.1875
2-5/16"
6"
66712
66612
13/64"
.2031
2-7/16"
6"
66613
7/32"
.2188
2-1/2"
6"
66714
66614
15/64"
.2344
2-5/8"
6"
66615
1/4"
.2500
2-3/4"
6"
66716
66616
17/64"
.2656
2-7/8"
6"
66617
ZR
9/32"
.2813
2-15/16"
6"
66618
19/64"
.2969
3-1/16"
6"
66619
5/16"
.3125
3-3/16"
6"
66720
ZR
66620
21/64"
.3281
3-5/16"
6"
66621
11/32"
.3438
3-7/16"
6"
66622
23/64"
.3594
3-1/2"
6"
66623
3/8"
.3750
3-5/8"
6"
66724
66624
25/64"
.3906
3-3/4"
6"
66625
13/32"
.4063
3-7/8"
6"
66626
27/64"
4219
3-15/16"
6"
66627
7/16"
.4375
4-1/16"
6"
66728
66628
15/32"
.4688
4-5/16"
6"
66630
1/2"
.5000
4-1/2"
6"
66732
66632
66624