Multi-functional straight extra-long twist drill(Fully ground) Parabola flute for deep drilling
For drilling general steel, iron, and stainless steel alloy steel of which hardness lower than 35HRC, deep drilling.
The standard size can be available from stock.
Size list:
d(h8) | L | L1 |
1.5-6, every 0.1mm | 160 | 100 |
200 | 150 | |
250 | 200 | |
300 | 240 | |
350 | 285 | |
400 | 300 | |
450 | 350 | |
6.1-10,every 0.1mm | 200 | 150 |
250 | 200 | |
300 | 240 | |
350 | 285 | |
400 | 300 | |
450 | 350 | |
10.1-13,every 0.1mm | 250 | 200 |
300 | 240 | |
350 | 285 | |
400 | 300 | |
450 | 350 |