5/8" X 3/16" Pilots for Counterbore Quantity:1 The Tekton 130-Degree Hook is

The Tekton 130-Degree Hook is made from AISI 8650 steel hardened to 50–54 HRC and bent to shape

Drill Bit Size: #3

flexible grip and resists cracking or breaking • Holds 13 TEKTON star L-keys (not included

• Shallow and deep 6-point socket opening provides an ideal

Shoulder Length: 10MM

5/8" X 3/16" Pilots for Counterbore Quantity:1 The Tekton 130-Degree Hook isProduct 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