Features. Single-twist type with single-spur cutter side lip. Specially designed to bore through creosoted poles without clogging binding or stopping to clear chips. Equally efficient for boring large timbers used in heavy construction. Medium-fast screw pitch. Hollow center twist design for fast continuous flow of chips. Heat-treated full length for extra strength. Adapter Shank Sizes 1116 in. to 1-116 in. 516 in. Hex Shank. Size - 0.44 in. Dia.

• Single-twist type with single-spur, cutter side lip
• Specially designed to bore through creosoted poles without clogging, binding or stopping to clear
• Equally efficient for boring large timbers used in heavy construction
• Medium-fast screw pitch
• Hollow center twist design for fast, continuous flow of chips

Single-twist type with single-spur, cutter side lipIrwin