9/32" X 3/32" HSS Aircraft Counterbore 1/4" Shank Quantity:1 • Hex bit holder adapts

• Hex bit holder adapts any 1/4 inch hex shank bit to 1/4 inch drive ratchets

Class 10 Nylon Hex Lock Nuts Zinc Clear

The Tekton 23-Piece Flat End Hex L-Key Set includes 0

Shank Size 31/32"

9/32" X 3/32" HSS Aircraft Counterbore 1/4" Shank Quantity:1 • Hex bit holder adaptsProduct 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