1" X 5/16" Pilot Hole HSS Straight Shank Counterbore

1" X 5/16" Pilot Hole HSS Straight Shank CounterboreProduct 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

Size 7/16"-36

Case Hardened Serrated Hex Flange & Large Flange Lock Nuts

Length 2-3/8"

Size 1/4"-32

5 degrees so the wrenches can be flipped over with each rotation to engage the fastener twice as often • Materials and Finish – Made of 6140 chromium-vanadium steel with a zinc phosphate coating for corrosion resistance

Part Number: BIT-T/A54476

010 inch tip of our straight mini pry bars can wedge between and access openings that a slotted slotted screwdriver and other similar mini pry bars cannot

The short arm L-keys are made from 8660 nickel chromium molybdenum steel that's heat-treated to 54-58 HRC and coated with a highly corrosion-resistant manganese phosphate finish

Part Number DWTHX1420LH

Unslotted Hex Washer Head Self Drilling Screws Zinc

Part Number DWDDL12X11/32

Adjust the jaw size by pushing the domed button and sliding the handle to one of 13 locked positions