CRL "Three-In-One" Glass Drill Cleaners Polishes and Protectors Specific substrate testing is required

Specific substrate testing is required on all structurally glazed projects

They are intended for the drilling of flat (plate) glass ONLY

This CRL Fletcher® Gold-Tip® Designer II

TECHNICAL DATA - 95C meets or exceeds Federal Specifications: TT-S-001543A (COM-NBS) for silicone building sealants Class A

CRL "Three-In-One" Glass Drill Cleaners Polishes and Protectors Specific substrate testing is requiredStep Down Feature to Drill 3 16", 1 4", or 5 16" (4. 8, 6. 4 or 7. 9 mm) Holes Drills, Glass, Tile, and Ceramic 400 to 800 RPM Recommended The long taper on the CRL "Three In One" Drill makes it useful for drilling 3 16", 1 4" or 5 16" (4. 8, 6. 4 or 7. 9 mm) holes. The convenient "step down" feature makes a gradual opening in the glass, resulting in a cleaner cut. Proven to last longer, it drills cleaner holes faster than other drills. The 1" (25 mm)