PRODUCT CATALOG
◆ | 19-piece wear-resistant twist drill with straight handle set (1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10MM) | ||||
◆ | Innovative M15 high-speed steel with cobalt, high vanadium and other elements, greatly improving the service life of the product | ||||
◆ | Surface underwent fine grinding after oxynitriding, effectively improving hardness and wear resistance | ||||
◆ | Innovative 123° apex angle design, effective increasing the cutting speed |
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