Walter SST+ 135 Degree Prentice Drill Bit

Description:

Heavy-duty large diameter drill bits for use on portable drills, drill presses and magnetic base drills with 1/2" chuck capacity. Extra hard tip allows to drill many more holes between re-sharpenings. Now made with cobalt blend for longer life.

Features:

• 3 flats on shank prevent slippage inside chuck
• Drills more holes, faster
• Exclusive point geometry eliminates pre-drilling
• Special bronze SST surface treatment
• Flute Length - 3-1/8"
• Overall Length - 6"

Materials:

• Mild steel
• Non-ferrous metal
• Stainless steel

Applications:

• Drilling large diameter holes with portable drills
• Drilling of round surfaces
• Large diameter holes with stationary machines