#10 13/64" Continuous Pilot Capscrew Counterbore BoltsandNuts.com Length: 55MM

Length: 55MM

Part Number DWTH1-544LH

the keys rest in hex-shaped slots

Part Number DWDTLCT25/32

Height: 21-7/8"

#10 13/64" Continuous Pilot Capscrew Counterbore BoltsandNuts.com Length: 55MMProduct 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