1-1/16" X 5/16" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Part Number: Assortment Kit #347574
Description
Part Number: Assortment Kit #347574 Pieces - Coarse Thread
Part Number: BIT-DMS73-2510
5xDia): 20mm
Tekton 1/4 inch drive 12-point sockets are an exact fit for double hex fasteners and also work with hex and square shapes
The pick features a tip that comes to a sharp 30-degree tapered point to keep the strength as close to the tip as possible
1-1/16" X 5/16" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Part Number: Assortment Kit #347574Product Description Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1 8" or less), the operations is usually known as spot facing; for example, a flat seat for a bolt head or nut. If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counterboring. These counterbores are made of two piece construction, having an integral shank and
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