Suggested H.S.S. Tool Angles for Materials

MATERIAL

TOP RAKE

SIDE RAKE

FRONT CLEAR

SIDE CLEAR

CAST IRON

5

12

8

10

ST STEEL

16.5

10

10

10

MONEL & NICKEL

8

14

13

15

PHENOL PLASTIC

0

0

8

12

OTHER PLASTIC

0-5

0

10

15

FORMICA

16.5

10

10

15

COPPER

16.5

20

12

14

BRASS&CU.ALLOY

0

0

8

10

HARD BRONZE

0

0-2

8

10

ALUMINUM

35

15

8

12

FIBER

0

0

15

20

HARD RUBBER

0-5

0

15

20