Trend CB38-316TC Counterbore 3/16 diameter x 3/8 DC/S CB38-316TC
Trend CB38-316TC Counterbore 3/16 diameter x 3/8 DC/S CB38-316TC The CB counterbores are extensively used for recessing bolt and screw heads. Supplied with a HSS slow spiral drill bit. Fully adjustable, a hex key is supplied. TCT version is used for plywood, particle boards and plastics (abrasive). Use a drilling speeds only.
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