IRWIN 10502507 User Manual
8
∞±1∞
12
∞±1∞
"A" +.015
6.32
12
∞±1∞
24
∞±2∞
"B"
5.75 (REFERENCE)
-.000
38
∞-43∞
6.12
"A"
8
∞ ±1∞
12
∞ ±1∞
3
/
4
3
/
4
Application:
- Perfect for drilling
stainless steel and
other high alloy steels.
other high alloy steels.
Product:
HSS PRO COBALT DRILL BIT
■
Drill bit diameters available from 1 mm to 13 mm.
■
Drill bit total lengths available from 34 mm to 101 mm.
■
Din standard 338 available.
New Product – Key Facts
© 2005 IRWIN Industrial Tools, HSS COBALT
135° SPLIT POINT GRINDING
ensures perfect centring and
reduced drilling pressure
ensures perfect centring and
reduced drilling pressure
COBALT ALLOYED
Drill bit body manufactured from high quality
HSS steel containing 5% Cobalt (Co).
The added 5% Cobalt improves the red hard-
ness (heat resistance) of the drill bit and
results in significantly extended life.
Drill bit body manufactured from high quality
HSS steel containing 5% Cobalt (Co).
The added 5% Cobalt improves the red hard-
ness (heat resistance) of the drill bit and
results in significantly extended life.
GROUND FLUTE
Industrial quality ground
flute for high accuracy
drilling and fast removal
of chips.
Industrial quality ground
flute for high accuracy
drilling and fast removal
of chips.
SURFACE FINISH
Attractive golden tem-
pered surface finish
Attractive golden tem-
pered surface finish