Aircraft Extension Drills Aircraft Extension Drills
PREMIUM QUALITY AMERICAN-MADE CUTTING TOOLS
12” OVERALL LENGTH - 135º SPLIT POINT
HIGH SPEED STEEL - NAS 907 - TYPE “B” OXIDE FINISH
M42 COBALT - NAS 907 - TYPE “J”
FRACTIONAL SIZES
LIST PRICE
OVERALL LENGTH
LIST PRICE
FLUTE LENGTH
PACKAGE QUANTITY
COBALT USA13949 USA13951 USA13953 USA13955 USA13957 USA13959 USA13961 USA13963 USA13965
SIZE
HSS
1/8
12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12
1-5/8 1-3/4
12 12 12 12 12 12 12 12 12
USA13703 USA13705 USA13707 USA13709 USA13711 USA13713 USA13715 USA13717 USA13719 USA13721 USA13723 USA13725 USA13727 USA13729 USA13731 USA13733 USA13735 USA13737 USA13739 USA13741 USA13743 USA13745 USA13747 USA13749 USA13751
20.05 20.24 20.24 22.81 22.58 25.90 25.63 28.88 31.43 36.37 36.11 40.41 44.23 48.05 47.51 53.83 54.33 60.60 58.42 64.43 64.54 72.81 75.45 78.24 77.40
33.25 36.62 33.77 36.37 35.33 46.24 42.08 44.68 40.86
9/64 5/32
2
11/64
2-1/8
3/16
2-5/16 2-7/16
13/64
7/32
2-1/2 2-5/8 2-3/4 2-7/8
15/64
1/4
– – – – – – – – – – – – – – – –
– – – – – – – – – – – – – – – –
17/64
6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6
9/32
2-15/16 3-1/16 3-3/16 3-5/16 3-7/16
19/64
5/16
21/64 11/32 23/64
3-1/2 3-5/8 3-3/4 3-7/8
3/8
25/64 13/32 27/64
3-15/16 4-1/16 4-3/16 4-5/16
7/16
29/64 15/32 31/64
4-3/8 4-1/2
1/2
WIRE SIZES
LIST PRICE
OVERALL LENGTH
LIST PRICE
FLUTE LENGTH
PACKAGE QUANTITY
SIZE
HSS
COBALT USA13967 USA13969 USA13971 USA13973 USA13975 USA13977 USA13979 USA13981
1
12 12 12 12 12 12 12 12
2-5/8
12 12 12 12 12 12 12 12
USA13753 USA13755 USA13757 USA13759 USA13761 USA13763 USA13765 USA13767
31.45 25.29 25.52 22.95 22.54 23.88 22.54 22.54
49.87 38.44 37.14 34.29 34.29 35.59 32.48 35.59
10 11 20 21 29 30 40
2-7/16 2-5/16
2-1/8 2-1/8 1-3/4 1-5/8 1-3/8
For technical information, please see pages 238 & 239.
MADE IN THE USA
187
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