5D External Coolant Carbide Coated Twist Drill for Cast Iron Machining
Material
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Tungsten Carbide,solid carbide,cemented carbide
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HRC
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45/55/65
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Type
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Carbide drill bits
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Coating
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AiTIN, TiAIN, TiCN, ALTiN, TiN...
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Helix Angle
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10. 15. 25. 35. 45 . 55 degree,
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Tolerance
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0.005mm
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HRC45 | HRC55 | HRC60 | HRC65 |
YG10X | YL10.2 | Germany K44 &K40 | H10F |
Grain size 0.7um, Co10%, , Flexural strength 3320N/mm2 | Grain size 0.6um, Co10%, Flexural strength 4000N/mm2 | Grain size 0.5um, Co12%, Flexural strength 4300N/mm2 | Grain size 0.5um, Co10%, Flexural strength 4300N/mm2 |
3XD, 5XD, 8XD...20XD...50XD
aluminum / steel / cast iron / ductile cast iron / stainless/ wood/ PVC/ acrylic and etc.