High performance stainless steel long lengthen parabolic drill bit
- Category: >>>
- Supplier: Wenling Youtuo Tools Co. Ltd.
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Product Overview
Description
For the straight twist drill bit, different material, different technology are all available.
| Size | 4mm |
| Material | HSS M35 cobalt 5% |
| Surface | fully ground-roasted yellow |
| Ex-factory unit price | $0.29 |
| Size | 4mm |
| Material | HSS M2(6542) |
| Surface | fully ground-metal white |
| Ex-factory unit price | $0.22 |
| Size | 4mm |
| Material | HSS 4341 |
| Surface | Black |
| Ex-factory unit price | $0.19 |
| Size | 4mm |
| Material | HSS 4241 |
| Surface | Roll forged-black |
| Ex-factory unit price | $0.06 |
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