Draper HSS Long Drill Bit 5.5 x 139mm 08798

This high-speed steel (HSS) long drill bit provides extended working length for greater reach and versatility. It features a fully ground 135° split point for precise centering and reduced wandering, and a black oxide coating that enhances durability and corrosion resistance. Manufactured to DIN 338 and DIN 1414-2, it is compatible with standard 10 mm and 13 mm chucks and suitable for drilling metal, wood, chipboard, and plastic. The bit is designed to be used without a cooling agent.

Features

• Longer working length than standard bits
• Fully ground 135° split point for centering
• Black oxide coating for durability and corrosion resistance
• No cooling agent required
• Compatible with 10/13mm chucks; works with metal, wood, chipboard and plastic

Usage

Insert the drill bit into a compatible drill with a 10 mm or 13 mm chuck and set the drill speed appropriate for the material. Use steady pressure during drilling to achieve precise holes in metal, wood, chipboard, or plastic; maintain proper speed for the material being drilled.

Use steady pressure during drilling and select appropriate drill speed for the material being drilled. No cooling agent is required due to the black oxide coating.