55度钨钢中心钻
Code No.
|
A
|
d Dia.
|
I Length of Cut
|
D Shank Dia.
|
O.A.L
|
HJ-TSD-038050 90°
|
90°
|
3
|
8
|
3
|
50
|
HJ-TSD-041150 90°
|
90°
|
4
|
11
|
4
|
50
|
HJ-TSD-061550 90°
|
90°
|
6
|
15
|
6
|
50
|
HJ-TSD-082060 90°
|
90°
|
8
|
20
|
8
|
60
|
HJ-TSD-102575 90°
|
90°
|
10
|
25
|
10
|
75
|
HJ-TSD-123075 90°
|
90°
|
12
|
30
|
12
|
75
|
易切削铜, 结构钢, 弹性钢 |
≤250HB
|
■
|
250-350HB
|
■
| |
渗入钢,回火钢 |
≤30HRC
|
■
|
工具钢 |
≤45HRC
|
■
|
45-55HRC
|
■
| |
55-60HRC
|
■
| |
≥60HRC
|
■
| |
不锈钢 |
■
| |
钛 |
| |
高温 |
| |
铸造不锈钢 |
■
| |
铸铁 |
≤180HB
|
■
|
≥180HB
|
■
| |
铝, 铝合金, 铜, 铜合金,其他 |
|