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We produce all kinds of hss twist drill bits,
It includs by standard:
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| 1)DIN338, DIN1897, DIN340, ISO235, ANSI B94 11M |
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| DIN345, DIN1870, ANSI B94.11M |
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| It includs by material: |
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| 1)hss 4241#, hss 4341#, hss9341#, M2, M35 and so on |
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| It includs by manufacturing process: |
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| 1) Roll forged |
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| 2) Edge ground |
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| 3) Fully Ground |
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| 4) Milled |
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| It includs by point angle: 118 degree, 135 degree split point |
| It includs by surface finished: Bright finished, black oxide, tin oxide, |
| Black flute & bright shank, rainbow |
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| It includs by flute type: N or VA |
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| It includs by shank: Straight shank drills, taper shank drills, |
| Reduce shank drills, 1/2" shank drills, hex shank drills |
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