HSS4341 Twist Drill Bit , Roll Forged Half Ground Tin Coated Titanium Drill Bits
STARRY Drill bit can drilling holes on aluminium,plastic,wood,copper,iron.
Produced by hot roll-forged technology. The high twisting moment and elasticity enable using by hand drilling devices and conventional machinery for low alloyed steel, cast, ferrous and non-ferrous metals.
DIN338 HSS-4241 Roll Forged Twist Drill Bits
| Type: | HSS twist drill bit |
| Shank: | Straight Shank |
| Surface Finish: | Tin coated |
| Standard: | DIN338 |
| Hss Material: | 4341 |
| Product Technic: | Roll Forged/Half Ground |
| Ponit Angle: | 118° / 135° or Split point |
| Payment Term: | TT,or Western union |
we can supply different kinds material for you:
| HRC | CHEMICAL COMPOSITION(%) | International | DIN |
| | C | W | Mo | Cr | V | | |
| 60-62 | 0.9-1.0 | 1.5-2.5 | 0.5-1.2 | 3.8-6.0 | 0.5-1.0 | T-4241 | / |
| 62-65 | 0.88-0.98 | 3.5-4.5 | 2.5-3.5 | 3.8-4.4 | 1.3-1.7 | 4341 | W4 |
| 63-66 | 0.77-0.87 | 8.5-9.5 | 2.7-3.3 | 3.8-4.4 | 1.3-1.7 | 9341 | W9 |
| 63-66 | 0.8-0.9 | 5.5-6.75 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | 6542 | M2 |
| 64-67 | 0.9-0.95 | 5.5-6.5 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | Co5% | M35 |
| 66-68 | 1.05-1.15 | 1.15-1.85 | 9.0-10.0 | 3.5-4.25 | 0.95-1.35 | Co8% | M42 |
3. Size:
| d1 | L1 | L2 |
| mm | mm | mm |
| 1,5 | 49 | 24 |
| 2,0 | 49 | 24 |
| 2,5 | 57 | 30 |
| 3,0 | 61 | 33 |
| 3,3 | 65 | 36 |
| 3,5 | 70 | 39 |
| 4,0 | 75 | 43 |
| 4,2 | 75 | 43 |
| 4,5 | 80 | 47 |
| 5,0 | 86 | 52 |
| 5,5 | 93 | 57 |
| 6,0 | 93 | 57 |
| 6,5 | 101 | 63 |
| 6,8 | 109 | 69 |
| 7,0 | 109 | 69 |
| 7,5 | 109 | 69 |
| 8,0 | 117 | 75 |
| 8,5 | 117 | 75 |
| 9,0 | 125 | 81 |
| 9,5 | 125 | 81 |
| 10,0 | 133 | 87 |
| 10,5 | 133 | 87 |
| 11,0 | 142 | 94 |
| 11,5 | 142 | 94 |
| 12,0 | 151 | 101 |
| 12,5 | 151 | 101 |
| 13,0 | 151 | 101 |
| 13,5 | 160 | 108 |
| 14,0 | 160 | 108 |
| 14,5 | 169 | 114 |
| 15,0 | 169 | 114 |
| 15,5 | 178 | 120 |
| 16,0 | 178 | 120 |
Inch Size are available ( ANSI B94.11M-1993 Standard ):
Fractional Size: 1/16" ~ 1/2"
Letter Size: A ~ Z
Wire Gage Size: 1# ~ 60#
Set are available:
1/16" ~ 1/4" x 13 pcs set
1/16" ~ 3/8" x 21 pcs set
1/16" ~ 1/2" x 29 pcs set
115 pcs set
Application:
STARRY Drill bit can drilling holes on aluminium,plastic,wood,copper,iron.
Produced by hot roll-forged technology. The high twisting moment and elasticity enable using by hand drilling devices and conventional machinery for low alloyed steel, cast, ferrous and non-ferrous metals.
Packing:
1. 5/10 pieces packind in PVC bag, then in white paper box, then in carton. ( default bullk packing)
Shipping Details:
- Samples or small order will be delivered by courier,DHL,FEDEX,TNT,etc
- Normal order will be delivered by sea.
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HSS4341 Twist Drill Bit , Roll Forged Half Ground Tin Coated hss Drill Bits Images
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