Blind Hole Applications

• HSSE material - increased wear resistance
• Bright, steam oxide surface treatment - increases mechanical lubricity
• Slow spiral - efficient chip evacuation

ANSI Specified|REACH EU Regulation Article 33 No. 1907/2006|RoHS Directive EU 2015/863|WEEE 2002/96/EC|PROP65: When grinding or regrinding industrial cutting tools, residual grinding dust may occur. This dust may contain chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Workpiece material	Suitability	Cutting speed (SFM)
P — Steel
Alloy Steels: 4140; 4340	Best	40 – 80
High Carbon Steel: 1065	Best	40 – 60
Medium Carbon Steel: 1035; 1045	Best	40 – 80
Die Steels	Good	20 – 60
Low Carbon Steel: 1010; 1018	Good	50 – 90
M — Stainless Steel
Stainless Steels: 17-4PH	Good	30 – 50
Stainless Steels: 300	Good	40 – 80
Stainless Steels: 400	Good	40 – 80
K — Cast Iron
Cast Iron	Good	30 – 80
H — Hardened Steel
Hardened Steels: 35 HRC	Good	20 – 60

Speeds and suitability ratings supplied by OSG for the HY-PRO SFT series. Starting values — adjust for your setup, coolant and workholding rigidity.