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DIN1897 Short Type HSS Twist Drill Bits for Metal with Bright Finished
Description of DIN1897 SHORT HSS DRILL BITS:
1. Material:HSS 4241,4341,M35,M42;
2. Process:Rolled,Rolled and Polished,Fully ground
3. Surface:Surface:Ti-coated,Black Oxide,Bright finished,Amber finished,Grey finished,Rainbow
4. Point:118°/135°split point
5. Shank:Straight Shank.triangle shank,hex shank.
Short HSS drill bits Specification:
1. Material and Hardness of High Speed Steel:
| DESCRIPTION OF HSS | C | W | Mo | Cr | V | Co | Si | Mn | P | S |
| % | % | % | % | % | % | % | % | % | % | |
| W2MoCr4V(F4341) | 0.95-1.05 | 1.7-2.4 | 0.8-1.2 | 3.8-4.4 | 0.8-1.2 | 1.0-1.4 | 0.2-0.4 | <=0.03 | <=0.03 | |
| W4Mo3Cr4V(4341) | 0.88-0.98 | 3.5-4.5 | 2.5-3.5 | 3.8-4.4 | 1.2-1.8 | 0.5-1.2 | 0.2-0.4 | <=0.03 | <=0.03 | |
| W9Mo3Cr4V(9341) | 0.77-0.87 | 8.5-9.5 | 2.7-3.3 | 3.8-4.4 | 1.3-1.7 | - | 0.2-0.4 | 0.2-0.4 | <=0.03 | <=0.03 |
| W6Mo5Cr4V2(M2) | 0.8-0.9 | 5.5-6.75 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | - | 0.2-0.4 | 0.2-0.4 | <=0.03 | <=0.03 |
| W6Mo5Cr4V2Co5(M35) | 0.9-0.95 | 5.5-6.5 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | 4.5-5.5 | 0.2-0.4 | 0.2-0.4 | <=0.03 | <=0.03 |
| W2Mo9Cr4V2Co8(M42) | 1.05-1.15 | 1.15-1.85 | 9.0-10.0 | 3.5-4.25 | 0.95-1.25 | 7.75-8.75 | 0.15-0.65 | 0.15-0.4 | <=0.02 | <=0.025 |
2. Size of Short Type Drill Bits:
| D | L1 | OAL | D | L1 | OAL | D | L1 | OAL | D | L1 | OAL |
| 1 | 6 | 26 | 6 | 28 | 66 | 10.8 | 47 | 95 | 15.5 | 58 | 116 |
| 1.2 | 8 | 30 | 6.2 | 31 | 70 | 11 | 47 | 95 | 15.75 | 58 | 116 |
| 1.5 | 9 | 32 | 6.5 | 31 | 70 | 11.2 | 47 | 95 | 16 | 58 | 116 |
| 1.8 | 11 | 36 | 6.8 | 34 | 74 | 11.5 | 47 | 95 | 16.25 | 60 | 119 |
| 2 | 12 | 38 | 7 | 34 | 74 | 11.8 | 47 | 95 | 16.5 | 60 | 119 |
| 2.2 | 13 | 40 | 7.2 | 34 | 74 | 12 | 51 | 102 | 16.75 | 60 | 119 |
| 2.5 | 14 | 43 | 7.5 | 34 | 74 | 12.2 | 51 | 102 | 17 | 60 | 119 |
| 2.8 | 16 | 46 | 7.8 | 37 | 79 | 12.5 | 51 | 102 | 17.25 | 62 | 123 |
| 3 | 16 | 46 | 8 | 37 | 79 | 12.8 | 51 | 102 | 17.5 | 62 | 123 |
| 3.2 | 18 | 49 | 8.2 | 37 | 79 | 13 | 51 | 102 | 17.75 | 62 | 123 |
| 3.5 | 20 | 52 | 8.5 | 37 | 79 | 13.2 | 51 | 102 | 18 | 62 | 123 |
| 3.8 | 22 | 55 | 8.8 | 40 | 84 | 13.5 | 54 | 107 | 18.25 | 64 | 127 |
| 4 | 22 | 55 | 9 | 40 | 84 | 13.8 | 54 | 107 | 18.5 | 64 | 127 |
| 4.2 | 22 | 55 | 9.2 | 40 | 84 | 14 | 54 | 107 | 18.75 | 64 | 127 |
| 4.5 | 24 | 58 | 9.5 | 40 | 84 | 14.25 | 56 | 111 | 19 | 64 | 127 |
| 4.8 | 26 | 62 | 9.8 | 43 | 89 | 14.5 | 56 | 111 | 19.25 | 66 | 131 |
| 5 | 26 | 62 | 10 | 43 | 89 | 14.75 | 56 | 111 | 19.5 | 66 | 131 |
| 5.2 | 26 | 62 | 10.2 | 43 | 89 | 15 | 56 | 111 | 19.75 | 66 | 131 |
| 5.5 | 28 | 66 | 10.5 | 43 | 89 | 15.25 | 58 | 116 | 20 | 66 | 131 |
| 5.8 | 28 | 66 | |||||||||
Application of Drill Bits for Metal:
Drillong holes on Iron,Metal,stainless steel sheet.
Package:
1. Normal Package:5/10 pcs in a plastic bag,then inner box and out carton.
2. Other package:Blister card,Plastic tube,PVC pouch,according to your requirments.
3. HSS Drill bits set are available.
Shipping Details:
1. Samples or small order will be delivered by courier,DHL,FEDEX,TNT,etc
2. Normal order will be delivered by sea.
Q1: How to deliver the goods?
Deliver By sea,By air,By express.
According to your order,we usually finish producing about 20-30days.
We accept Payment:Bank transfer,Wester Union,Paypal.