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Sorry! AAS Titanium Coated Steel HSS Step Drill Bit 4-20mm is sold out.

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AAS Titanium Coated Steel HSS Step Drill Bit 4-20mm

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Highlights

  • AAS
  • Type:Metal Drill Bit
  • Model Name:na
  • Shape:Counter Bore
  • Grit Size:Extra Fine
  • Number of Bits:1
  • mode by hss, titanium nitride coating designed to auto deburr the hole cut used on electric drills.Ideal for repair and assembly work Long service life 9 drill steps Suitable for 1/4" hexagon
  • hss step drill bit set for burr-free drilling.
  • Contents in the Box:1
  • SUPC: SDL150206003

Description

for drilling 4-20mm in all types of metal . The ladder of its unique structure, a bit can open a variety of specifications of aperture. Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken. Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable, but it is possible. The usage of tools: drill, bench drill. Work while water cooling, can effectively extend the service life of drill bit, Shank: 1/4 Hex Shank 4-20MM ( 4,6,8,10,12,14,16,18,20MM ) Material: HSS 4241

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