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RMT NAS Grade HSS Black Oxide 6" Drill Bits

Item No. 6H501
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RMT NAS Grade HSS Black Oxide 6" Drill Bits. Industrial-Grade NAS (National Aerospace Standard) Black Oxide Extended Length Drill Bits. Extended drill bits feature the same flute length as standard jobber drill bits, but for an extended shank making all diameters 6” overall length. Precision ground
  • 6" Total Length on all sizes
  • 1/8" to 1/2" Diameters
  • Black Oxide finish
  • NAS Grade High Speed Steel
Description

RMT NAS Grade HSS Black Oxide 6" Drill Bits.

Industrial-Grade NAS (National Aerospace Standard) Black Oxide Extended Length Drill Bits. Extended drill bits feature the same flute length as standard jobber drill bits, but for an extended shank making all diameters 6” overall length. Precision ground for superior strength and run-out characteristics, 6H501 blackened drills offer a mid-length extension solution for deep holes in hard-to-reach applications. Compliant to NAS 907 and feature a split point.

Blacked drill surfaces are treated with enhanced corrosion resistance and increased lubricity. Drill flutes on all RMT drill bits are precision ground using the latest CNC technology for faster and more efficient swarf and chip removal. Ground precisely to tight quality standards, the flutes deliver superior cutting performance and accuracy. Like all RMT drill bits, these black oxide jobber drill bits are manufactured from industrial grade NAS (National Aerospace Standard) High Speed Steel.

Material Application

Cast Iron and Alloy Steel

Sizes

Imperial diameters; including fractional drill sizes from 1/8” (.1250) to ½” (.5000), wire drill sizes from #1 (.2280) to #60 (.0400)
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