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 |
Do/mm |
H/mm |
R/mm |
L/mm |
d/mm |
440 238 048 |
440 238 |
23.8 |
4.8 |
16 |
4.8 |
48 |
6 |
441 238 048 |
441 238 |
23.8 |
4.8 |
16 |
4.8 |
48 |
8 |
440 312 063 |
440 312 |
31.2 |
5.8 |
16 |
6.35 |
48 |
6 |
441 312 063 |
441 312 |
31.2 |
5.8 |
16 |
6.35 |
48 |
8 |
New Bit No. |
Old Bit No. |
D/inch |
Do/inch |
H/inch |
R/inch |
L/inch |
d/inch |
445 238 048 |
445 238 |
15/16 |
3/16 |
5/8 |
3/16 |
1-7/8 |
1/4 |
445 313 063 |
445 313 |
1-15/64 |
15/64 |
5/8 |
1/4 |
1-7/8 |
1/4 |
447 238 048 |
447 238 |
15/16 |
3/16 |
5/8 |
3/16 |
2-3/8 |
1/2 |
447 313 063 |
447 313 |
1-15/64 |
15/64 |
5/8 |
1/4 |
2-3/8 |
1/2 |