Place of Origin: Jiangsu, ChinaBrand Name: WIDETOPType: Twist Drill BitUse: Metal DrillingProduct Name: DIN338 twist drill bitStandard:  ...
Possible cause for the drill breaks when drilling1: Dull or improperly ground drill2: Lack of lubricant or wrong lubricant3: Improper set-up4: Too much feedHow to do drill breaks when drilling with tw ...
Possible cause for the drill breaks when drilling1: Unequal length or angle of cutting lips or both2: Too little lip relief3: Too much feedHow to do drill breaks when drilling with twist drill bits1: ...
Possible cause for the drill breaks when drilling1: Unequal angle or length of the cutting edge or both2: Loose spindleHow to do drill breaks when drilling with twist drill bits1: Regrind properly2: T ...
Possible cause for the drill breaks when drilling1: Heated and cooled too quickly while grinding or while drilling2: Too much feedHow to do drill breaks when drilling with twist drill bits1: Warms slo ...
Possible cause for the drill breaks when drilling1: Too much feed2: Too much lip reliefHow to do drill breaks when drilling with twist drill bits1: Reduce feed2: Regrind properly
Possible cause for the drill breaks when drilling1: Chips clog up flutesHow to do drill breaks when drilling with twist drill bits1: Increase speed2: Use drills designed for these materials
Possible cause for the drill breaks when drilling1: Material being drilled has hard spots2: Scale or sand inclusion3: Too much speed4: Improper cutting compoundHow to do drill breaks when drilling wit ...
Possible cause for the drill breaks when drilling1: Spring or back lash in press or work2: Too little lip relief3: Speed too low in proportion to the feed4: Dull drill5: Improper chip clearingHow to d ...
1: Use the proper feed rate when drilling with twist drill bits2: Avoid the tendency to overspeed and underfeed3: Use low speeds and light feeds for har materials.4: Use higher speeds and heavy feeds ...