5/16" Oilfeed Coolbor HSS Drill 3 MTS x 6-1/4" flute length x 11" overall length righthand cutting
Oil feed or Oil fed Drill Coolbor brand are unique with MTS ( Morse Taper Shank ) Spiral flutes with Internal Coolant Channels for carrying coolant directly to the cutting edge. Have longer tool life than any other drill. For drilling tough material with 135 degree split/notched point style. British made in excellent 1st quality to BS122 - Click on :
Oilfeed Drills Inch to buy sizes from 1/8" to 13/32"
Oilfeed MTS Drills Inch from 3/8" to 1-3/4"
Oilfeed MTS Long Drill Inch from 1/2" to 1-1/2"
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