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Product | Parallel shank metal drilling bits |
Material | HSS- hss 4241, hss m2 and hss m35 |
Size range | 0.1mm, 0.2mm....to 20mm |
Surface Technics | Full ground, milling, roll forge |
Coating | Bright, black, TIN yellow coating and roasted yellow |
Point angle | 118 degree or 135 degree |


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