Cupboard handle science round die?

by:DIgao     2020-07-17
Metal polishing base has been implemented, address: AngYi fishing cross the village ( Wood group for land) Polishing machine number 800, now the relevant matters: - ->
cabinet handle dismissal is round die processing or fixed outside screw thread machining tools. Die is equivalent to a high hardness of the nut, screw hole around a few clearance holes, generally at the ends of the screw hole grinding cutting cone.

the shake handshandle is ambry science round die is introduced.
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