HSS Combined-Center Drill 60 degree Countersinks Angle Bit Set 1.0mm 1.5mm 2.0mm 2.5mm 3.5mm Metal Drill Bit
Description:
1. center and spek drills are traditionally used to make a conical hole for a lathe center in order to make an exit point for a standard twist drill, designed to prevent the twist drill from fouling.
2. Used for manufacturing center holds in components or work pieces with require machining between centers.
Specification:
Type: Center drill
Material: High speed steel
Degree: 60
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