1-3/4" X 7/16" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWRRW

Part Number DWRRW

Part Number: Gauges-BoltNutGauge-WallMount

Part Number: 87C400SHCSABO/USA

Part Number DWDBL9/16

60-degree chamfered openings make it easy for the flip socket to slide over lug nuts • Sizes are marked both with a high-visibility laser marking and a permanent stamped marking that won't wear off • Radiused corners prevent fastener round-off by applying force to a fastener's flat sides

1-3/4" X 7/16" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWRRWProduct 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