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WD31060-6PCS Flat Drill Bits ...
WD31060-6PCS Flat Drill Bits Set

Wood boring bits shank extension

Wood boring bits shank extension
Feature highlights：

Extension used for extra deep holes

Fits all wood spade drill bits with 1/4" hex shanks

Made of carbon steel
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specification

Wood boring bits shank extension

Sizes for 3/16’(4.8mm) and 1/4’(6.4mm) diameter shafts. Used in conjunction with the flexible drill bits or other drill bits which need to estend the drilling length/depth.

Drill bit extension 2