1" X 5/16" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWTSH5/8-24

Part Number DWTSH5/8-24

Their extended length allows the deep socket to fit over long fasteners and reach into recessed areas

Size: 35 ml

Part Number DWTH1-71614

*Please note the bin will ship & arrive separately from the fasteners

1" X 5/16" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWTSH5/8-24Product 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