Description:
(1) High hardness and wear resistance
(2) Good heat resistance
(3) High strength and good toughness
New Bit No. |
Old Bit No. |
D/mm |
H/mm |
R/mm |
L/mm |
d/mm |
B/mm |
570 254 038 |
570 254 |
25.4 |
12.7 |
4.8 |
54 |
6 |
12.7 |
571 254 048 |
571 254 |
28.5 |
12.7 |
4.8 |
54 |
8 |
12.7 |
570 285 063 |
570 285 |
28.5 |
13.5 |
6.35 |
55 |
6 |
12.7 |
571 285 063 |
571 085 |
28.5 |
13.5 |
6.35 |
55 |
8 |
12.7 |
570 318 079 |
570 318 |
31.8 |
15 |
7.9 |
57 |
6 |
12.7 |
571 318 079 |
571 318 |
31.8 |
15 |
7.9 |
57 |
8 |
12.7 |
570 350 095 |
570 350 |
35 |
16.5 |
9.5 |
59 |
6 |
12.7 |
571 350 095 |
571 350 |
35 |
16.5 |
9.5 |
59 |
8 |
12.7 |
New Bit No. |
Old Bit No. |
D/inch |
H/inch |
R/inch |
L/inch |
d/inch |
B/inch |
575 254 048 |
575 254 |
1 |
1/2 |
3/16 |
2-1/8 |
1/4 |
1/2 |
575 285 063 |
575 285 |
1-1/8 |
17/32 |
1/4 |
2-3/16 |
1/4 |
1/2 |
575 318 079 |
575 318 |
1-1/4 |
19/32 |
5/16 |
2-1/4 |
1/4 |
1/2 |
575 349 095 |
575 349 |
1-3/8 |
21/32 |
3/8 |
2-5/16 |
1/4 |
1/2 |
577 254 048 |
577 254 |
1 |
1/2 |
3/16 |
2-1/2 |
1/2 |
1/2 |
577 285 063 |
577 285 |
1-1/8 |
17/32 |
1/4 |
2-9/16 |
1/2 |
1/2 |
577 318 079 |
577 318 |
1-1/4 |
19/32 |
5/16 |
2-5/8 |
1/2 |
1/2 |
577 349 095 |
577 349 |
1-3/8 |
21/32 |
3/8 |
2-3/4 |
1/2 |
1/2 |