HSS fully grounded DIN340 twist drill bit
USD $0.025 - $6.8 /Piece
Min.Order:500 Pieces
HSS fully grounded DIN340 twist drill bit
1.Size range: 0.2-20mm | |||
2.Surface finishing: Black,Black&white,Rainbow,Titanium coated | |||
*Surface finishing will highly improve the drill bit’s life span. | |||
3.Right-hand cutting,type N | |||
4.Material we use for roll forged drill bit:HSS 4241,HSS 4341,HSS M2,HSS M35 | |||
5.Cylindrical shank,118°or 135° split point conical section. | |||
6.Diameter tolerance h8 | |||
7.In all rotary and percussion drilling machines, for drilling in steel, sintered metal, non-ferrous metal and plastics |
Manufacturing Standard: DIN338(jobber series), DIN1897(stub series), DIN340(long series), DIN1869, DIN341, DIN345, DIN1870.
Target market:Roll forging is cost-effective for DIY market users.
Drill Diameter | Flute Length | Overall Length |
(mm) | (mm) | (mm) |
1 | 33 | 56 |
1.5 | 45 | 70 |
2 | 56 | 85 |
2.5 | 62 | 95 |
3 | 66 | 100 |
3.2 | 69 | 106 |
3.5 | 73 | 112 |
4 | 78 | 119 |
4.2 | 78 | 119 |
4.5 | 82 | 126 |
5 | 87 | 132 |
5.2 | 91 | 139 |
5.5 | 91 | 139 |
6 | 91 | 139 |
6.5 | 97 | 148 |
7 | 102 | 156 |
7.5 | 102 | 156 |
8 | 109 | 165 |
8.5 | 109 | 165 |
9 | 115 | 175 |
9.5 | 115 | 175 |
10 | 121 | 184 |
10.5 | 121 | 184 |
11 | 128 | 195 |
11.5 | 128 | 195 |
12 | 134 | 205 |
12.5 | 134 | 205 |
13 | 134 | 205 |