Products Description
1 Solid Carbide Twist Drills Bit with Internal Coolant Hole 3xd and 5xd
2 Work piece for aluminium, steel and stainless steel
3 helix angle 30 and driling point 140
4 wirh internal hole
5 High quality for CNC Metal working
Products specification
Drilling point for 90 degree and 120 degree
3xd and 5xd
DIN standard
1, Chemical Composition: 10%Co-Wc
2, Raw Material: Super Micro grain with Diameter less than 0.2UM
3, International Industrial Standard: K10, K05-K15, K20-K30, K20-K40
4, Application areas: Machining of cast iron, nonferrous alloy, chill cast iron, hard steel, stainless steel, plastic materials, fiberglass, carbon fiber and other non-metallic.
5, Served industries: Aerospace, Transportation, Medical Equipment, Military Manufacturing, Mold Development, etc.
specification |
d1 | d2 | l1 | l2 |
5 | 5 | 80 | 44 |
6 | 6 | 80 | 44 |
7 | 7 | 90 | 53 |
8 | 8 | 90 | 53 |
9 | 10 | 105 | 61 |
10 | 11 | 105 | 61 |
11 | 12 | 115 | 71 |
12 | 12 | 115 | 71 |
13 | 13 | 120 | 77 |
14 | 14 | 120 | 77 |
15 | 15 | 130 | 83 |
16 | 16 | 130 | 83 |
17 | 17 | 140 | 93 |
18 | 18 | 140 | 93 |
19 | 19 | 150 | 101 |
20 | 20 | 150 | 101 |