|
TECHNICAL
DATA
"COUNTERSINKS"
|
Material
|
Speed SFM (m/min)
|
|
Aluminum
|
300 (91)
|
|
Aluminum Alloys
|
300 (91)
|
|
Brass
|
300 (91)
|
|
Bronze
|
300 (91)
|
|
Copper
|
400 (122)
|
|
Copper Alloys
|
400 (122)
|
|
Cast Iron-Soft
|
125 (38)
|
|
Cast Iron-Hard
|
100 (30)
|
|
Malleble Iron
|
90 (27)
|
|
Magnesium
|
400 (122)
|
|
Magnesium Alloys
|
400 (122)
|
|
Monel
|
50 (15)
|
|
Steel - Low Carbon
|
110 (33)
|
|
Steel - Medium Carbon
|
80 (24)
|
|
Steel - High Carbon
|
60 (18)
|
|
Rc 40-45
|
40 (12)
|
|
Rc 46-50
|
30 (9)
|
|
Rc 51-55
|
20 (6)
|
|
Stainless Steel
|
|
Free Machining
|
80 (24)
|
|
Work Hardening
|
50 (15)
|
|
Titanium
|
60 (18)
|
Feed Rates:
- Single Flute: .005/RPM (.13mm/RPM)
- 3-5-7Flute: .005/Tooth (.13mm/Tooth)
- Multi-Flute: N/A Use burr chart for standard
cut
|
