UNC / UNF HSS TWIST DRILLS FOR HELICOIL KITS
Draper Expert Quality HSS twist drill bits to be used with UNC / UNF Helicoil thread repair kits.
VARIOS SIZES SEE DROP DOWN LIST.
Manufactured to DIN 338 & ISO 235/1 specifications.
Straight shank jobber twist drill.
Recommended for use with power drills only.
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