#21 x 1/4"-28 HSS Threaded Shank Adapter Drill DR66221

Clarkson-Osborn

$6.83

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HSS

1/4"-28 threaded shank provides a secure fit in the tool holder

Black oxide finish for increased wear resistance and added lubricity

135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed

Used in portable angle drilling tools drilling low tensile strength materials in confined areas

Clarkson Osborn Catalog

Diameter #21

Flute length 5/16"

Overall length 9/16"

Package quantity/sold as each 1

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