5pcs HSS 60 Degree Combined Lathe Mill Center Drill bit Countersink Bit Set Tool
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5pcs HSS 60 Degree Combined Lathe Mill Center Drill bit Countersink Bit Set Tool
상품설명
Description: 1. Center and spotting drills are traditionally used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking.
5pcs HSS 60 Degree Combined Lathe Mill Center Drill bit Countersink Bit Set Tool
상품설명
Description: 1. Center and spotting drills are traditionally used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking.
2019-03-27 18:14:15