赣西风 @ Sat Feb 02, 2019 10:22 am 写道:Sergeantpepper @ 周六 2月 02, 2019 10:14 am 写道: ....or use the tap in the top pic ... with cutting flutes like self tapping screw
椒叔你的想法和我一样啊?
Pungo @ Sat Feb 02, 2019 10:25 am 写道:赣西风 @ Sat Feb 02, 2019 10:20 am 写道:白雪丹枫 @ 周六 2月 02, 2019 9:57 am 写道: 用self tapping screw如何?
我需要一头带螺纹连接到冰钻上,另一头定位钻冰,现在是钻冰的这一头不给力,在考虑要不把螺丝干脆打磨成短尖锥形。
弄个小钻头安上?
Sergeantpepper @ 周六 2月 02, 2019 10:30 am 写道:Pungo @ Sat Feb 02, 2019 10:25 am 写道:赣西风 @ Sat Feb 02, 2019 10:20 am 写道:
我需要一头带螺纹连接到冰钻上,另一头定位钻冰,现在是钻冰的这一头不给力,在考虑要不把螺丝干脆打磨成短尖锥形。
弄个小钻头安上?
except you cannot thread up the other end of the twist drill for attaching it to the auger's shaft, it's hardened steel
白雪丹枫 @ 周六 2月 02, 2019 11:20 am 写道:Sergeantpepper @ 周六 2月 02, 2019 10:30 am 写道:Pungo @ Sat Feb 02, 2019 10:25 am 写道:
弄个小钻头安上?
except you cannot thread up the other end of the twist drill for attaching it to the auger's shaft, it's hardened steel
Easy. Weld the tap to an insert with ousdie threaded, then screw in the thaft.