6pcs/set Hss Silver Tone Combined Center Drill Bits Countersinks Bit Set

US $160

  • ningbo,zhejiang, China
  • Jun 4th
6pcs/set HSS Center Drill bits Set  Features:  Product Name :Center Drill Bit  Material: HSS  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.  Used for producing center holds in components or work pieces with require machining between centers.  Description:  This listing is for a set of 6 HSS Center Drills.  Each drill has a double end and is ground with a standard 60 degree included angle.  Each center drill includes it's own protective plastic sheath, as shown.  This center drill set includes the following features:  High Speed Steel  Standard 60 degree included angle precision import  double ended  individual square plastic sheath  The set includes 1 each of the following sizes:  3mm body diameter & 1mm drill tip diameter  4mm body diameter & 1.5mm drill tip diameter  5mm body diameter & 2mm drill tip diameter  6mm body diameter & 2.5mm drill tip diameter  8mm body diameter & 3mm drill tip diameter  10mm body diameter & 4mm drill tip diameter 

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