RMT NAS Grade HSS Bright Finish 6" Drill Bits.Industrial-Grade NAS (National Aerospace Standard) Bright finish Extended Length Drill Bits. Extended drill bits feature the same flute length as jobber drill bits, but for an extended shank making all diameters 6” total length. Precision ground for superior strength and run-out characteristics, 6H500 drills offer a mid-length extension solution for deep holes in confined working conditions. Compliant to NAS 907 and feature a split point.
Manufactured in the US by Rocky Mountain Twist Drill, these bright finish HSS drill bits are an excellent general-purpose solution. The drills flutes are precision ground for faster and more efficient swarf and chip removal. Ground flutes also deliver superior cutting performance and accuracy.
Material ApplicationAluminium, copper, wood and plastics
SizesImperial drill diameters; including fractional drill sizes from 1/8” (.1250) to ½” (.5000), wire drill sizes from #1 (.2280) to #40 (.0980)