Addison Subland Twist Drills

SUBLAND TWIST DRILLS -  FOR CLEARANCE HOLES
AND COUNTERBORES FOR HEXAGON SOCKET HEAD CAP SCREWS AND SLOTTED CHEESE HEAD SCREWS.

Other details conform
to DIN 8377-1981

 

Big dia.
(d2)
h8		 Small dia
(d1)
h9		 Step Length
l3		 Flute Length
l2		 Overall Length
l1		 Morse Taper No. Suitable for
Screw Threads
15*
18*
20*
24
26
30
33		 9.0*
11.0*
13.5*
15.5
17.5
20.0
22.0		 19
23
27
31
35
39
43		 114
130
140
160
165
175
185		 212
228
238
281
286
296
334		 2
2
2
3
3
3
4		 8
10
12
14
16
18
20

Drills

 Addison