Page 261 - YG 2019
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SELECTION GUIDE HSS NC SPOTTING DRILLS
HSS(8% Cobalt) NC SPOTTING DRILLS
- Centering and Chamfering of Holes
◎ : Excellent ◯ : Good
P H M K N S
Alloy
SIZE Carbon Steels Prehardened Hardened Steels
Steels
Steels
ITEM MODEL DESCRIPTION PAGE Stainless Cast Iron Aluminum Copper Bronze CFRP Titanium
Steels
MIN MAX ~HB225 HB225~325 HRc30~45 HRc45~55 HRc55~
INCH
HSSCo8, NC SPOTTING DRILLS 90° D1/8 D1 262 ◎ ◎ ○ ○ ○
D2N90
HSSCo8, NC SPOTTING DRILLS 120° D1/8 D1 262 ◎ ◎ ○ ○ ○
RECOMMENDED CUTTING CONDITIONS 263
260 • phone:+1-800-765-8665, Technical Support : 888-868-5988, www.yg1usa.com phone:+1-800-765-8665, Technical Support : 888-868-5988, www.yg1usa.com • 261
