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 |
450 238 048 |
440 238 |
23.8 |
15 |
4.8 |
54 |
6 |
451 238 048 |
441 238 |
23.8 |
15 |
4.8 |
54 |
8 |
450 318 063 |
450 318 |
31.8 |
18.2 |
6.35 |
57 |
6 |
451 318 063 |
451 318 |
31.8 |
18.2 |
6.35 |
57 |
8 |
New Bit No. |
Old Bit No. |
D/inch |
H/inch |
R/inch |
L/inch |
d/inch |
455 238 048 |
455 238 |
15/16 |
19/32 |
3/16 |
1-7/8 |
1/4 |
455 318 063 |
455 318 |
1-1/4 |
23/32 |
1/4 |
1-7/8 |
1/4 |
457 238 048 |
457 238 |
15/16 |
19/32 |
3/16 |
2-3/8 |
1/2 |
457 318 063 |
457 318 |
1-1/4 |
23/32 |
1/4 |
2-3/8 |
1/2 |