Specification: Type: Hollow Drill bit Material: High Speed Steel Cutting Depth: 35mm/55mm Overall Length: 62mm/85mm Shank:19mm Application: Use for hole cutting and process of annular groove on various magneric drills and press ,like Alfra , Hougen , Jancy , Euroboor , BDS , Ruko Package Including: 1pc HSS Hollow Drill Bit.
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