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DRILLING - HIGH SPEED STEEL - A/C EXTENSION - A12" OVERALL LENGTH
12" overall length
135° split point
Black oxide surface finish increases wear resistance and adds lubricity to improve chip flow
High speed steel
Precision manufactured in the USA
Series
680 - Drills - Aircraft Extension - 12" OAL
ALL
;
SIZE
#1
#10
#11
#20
#21
#29
#30
#40
1/2
1/4
1/8
11/32
11/64
13/32
13/64
15/32
15/64
17/64
19/64
21/64
23/64
25/64
27/64
29/64
3/16
3/8
31/64
5/16
5/32
7/16
7/32
9/32
9/64
ALL
;
LOC
1-3/4
1-3/8
1-5/8
2
2-1/2
2-1/8
2-15/16
2-3/4
2-5/16
2-5/8
2-7/16
2-7/8
3-1/16
3-1/2
3-15/16
3-3/16
3-3/4
3-5/16
3-5/8
3-7/16
3-7/8
4-1/16
4-1/2
4-3/16
4-3/8
4-5/16
ALL
;
OAL
12
ALL
;
FLUTES
2
ALL
;
