Counter Sink Bit 55282 Cabide Tipped Counteboe 3/8 Dia X 1/4 Quick Elease Hex Shank Counter Sink Bit For Metal Amana Tool - (55282) Carbide Tipped Counterbore 3/8 Dia x 1/4 Quick Release Hex Shank - Straight Router Bits - I used this bit to cut a perfect countersunk depression for the head of a rivet nut in a 3/8 thick fiberglass car fender. I couldn't use a conventional beveled/tapered countersink bit because it would dig too deep into the fiberglass and weaken it overall. This bit makes an... This windproof and waterproof dog coat is designed to protect your dog from the cold . It features a warm fleece lining, reflective details for safety, and a convenient zipper for harness access Overall length (L): 2-3/16 D1: 3/16 Replacement drill: 630-402 Flat bottom counterbores for using round head screws, Hex bolts, etc. SIKUAI Non Slip Footrest Accelerator Fuel Gas Accelerator Brake Pedal Pads Cover