Disston Company 282855 Carbide Tipped Glass Tile Drill Bit

Product Description

The DISSTON COMPANY 282855 is a carbide tipped drill bit designed for clean, accurate drilling through glass, tile, ceramic, and similar hard, brittle surfaces. The spear pointed tip geometry reduces breakout on the exit side of the material, which is critical when drilling through mirrors, finished tile, or glass where surface integrity matters. The bit measures 3/8 inches in diameter and 3-1/4 inches in overall length, with a standard shank that fits any 3/8 inch drill press or variable speed drill. A zinc finish provides corrosion resistance. Installed by tile setters, glaziers, plumbers, and general contractors during fixture mounting, grab bar installation, or drain fitting work.

This bit is suited for residential and light commercial applications where drilling through hard, non-metallic materials is required. Recommended materials include ceramic tile, mirrors, all glass types, marble, Vitrolite, and china. The standard shank design makes it compatible with common drill equipment already on the job site, requiring no special adapters or chucks. Variable speed drill compatibility allows the operator to control RPM for optimal cutting performance and reduced heat buildup in the material.

Key Features

• Carbide tipped cutting edge handles hard, brittle materials including glass and ceramic tile
• Spear pointed tip geometry minimizes breakout when drilling through to the exit face
• Standard shank fits any 3/8 inch drill press or variable speed drill without adapters
• Zinc finish adds corrosion resistance to the bit body
• 3/8 inches diameter x 3-1/4 inches overall length for common fixture and hardware mounting tasks

Compatibility

Compatible with any 3/8 inch drill press or variable speed drill. Recommended for use in ceramic tile, mirrors, all glass types, marble, Vitrolite, and china.

Installation Notes

This bit should be installed and used by qualified tradespeople or experienced operators familiar with hard-material drilling procedures. Apply consistent, moderate pressure and use the lowest effective RPM to prevent cracking or spalling the workpiece. Water or cutting fluid applied at the drill point helps control heat and extends bit life when drilling glass or tile. Always secure the workpiece firmly before drilling to prevent slipping and surface damage.