5/16" Oilfeed Coolbor Drill Straight Shank 4-9/32" flute length x 6-1/2" overall length righthand cutting
Oilfeed or Oil fed Drill Coolbor brand are unique with Straight 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 all sizes from 1/8" to 13/32"
Oilfeed MTS Drills Inch from 3/8" to 1-3/4"
Oilfeed MTS Long Drill Inch from1/2" to 1-1/2"
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