CRL 3-3/4" PDT Belgian Series Metal Bond Diamond Drill Caulking | Sealants | Adhesives It is designed for sealing

It is designed for sealing expansion and control joints in precast concrete panels and metal curtainwalls

battery operated light source on the reverse side of the glass

Bead Sizes From 1/8" to 1-5/16" (3 to 33 mm)

Seal is replaced in just seconds

Failure to do so can lead to operator injury

CRL 3-3/4" PDT Belgian Series Metal Bond Diamond Drill Caulking | Sealants | Adhesives It is designed for sealingDesigned for High Volume Glass Fabrication 3 8" Diamond Matrix Depth Two Mounting Styles to Choose From, Straight Shank or Belgian Thread CRL PD and PDT Series Metal Bond Diamond Drills use a special diamond and brass bond for maximum performance in glass. Metal Bond Drills offer the longest life of any type of diamond drill; 1,000 to 2,000 holes in 1 4" (6. 4 mm) glass with proper maintenance and the use of a wet Sharpening Stone to expose fresh