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 |
410 255 040 |
410 255 |
25.5 |
12.7 |
4 |
54 |
6 |
9.5 |
411 255 040 |
411 255 |
25.5 |
12.7 |
4 |
54 |
8 |
9.5 |
410 286 040 |
D410 286 |
28.6 |
12.7 |
4 |
54 |
6 |
12.7 |
411 286 040 |
D411 286 |
28.6 |
12.7 |
4 |
54 |
8 |
12.7 |
410 350 063 |
410 350 |
35 |
17.4 |
6.35 |
60 |
6 |
9.5 |
411 350 063 |
411 350 |
35 |
17.4 |
6.35 |
60 |
8 |
9.5 |
410 381 063 |
D410 381 |
38.1 |
17.4 |
6.35 |
61 |
6 |
12.7 |
411 381 063 |
411 381 |
38.1 |
17.4 |
6.35 |
61 |
8 |
12.7 |
New Bit No. |
Old Bit No. |
D/inch |
H/inch |
R/inch |
L/inch |
d/inch |
B/inch |
415 254 040 |
415 254 |
1 |
1/2 |
5/32 |
2-1/8 |
1/4 |
3/8 |
415 286 040 |
D415 286 |
1-1/8 |
1/2 |
5/32 |
2-1/8 |
1/4 |
1/2 |
415 349 063 |
415 349 |
1-3/8 |
11/16 |
1/4 |
2-3/8 |
1/4 |
3/8 |
415 381 063 |
415 381 |
1-1-2 |
11/16 |
1/4 |
2-3/8 |
1/4 |
1/2 |
417 286 040 |
417 286 |
1-1/8 |
1/2 |
5/32 |
2-5/8 |
1/2 |
1/2 |
417 381 063 |
417 381 |
1-1/2 |
11/16 |
1/4 |
2-3/4 |
1/2 |
1/2 |
417 445 179 |
417 445 |
1-3/4 |
13/16 |
5/16 |
2-7/8 |
1/2 |
1/2 |