CRL Brand .486" Countersink for 12 to 14 Screws Silicone Sealants PCHV1104 (for Rough Materials): 4/10"

PCHV1104 (for Rough Materials): 4/10" (254 mm) Diameter Lipped Pads Lift Frames

Shipping weight is 360 lbs

The assortment of rollers allow insertion of backer rod diameters of 1/8" (3 mm) and larger

Tips are Hardened for Maximum Strength

Federal Specification TT-S-00227E

CRL Brand .486" Countersink for 12 to 14 Screws Silicone Sealants PCHV1104 (for Rough Materials): 4/10"For No. 2 to 14 Screws Produce Smooth, Round Countersunk Holes Every Time Best Countersink Available for Aluminum CRL Countersinks were specifically designed to cut round countersunk holes in aluminum. They cut faster than standard countersinks and leave a finished hole every time. Smooth drilling action from single cutting edge prevents chatter and fluted edges. The 1 4" (6 mm) shank diameter fits any 1 4" or 3 8" (6 or 10 mm) drill chuck. All four