Walter 01M619 SST+ 135 Deg. 1/2 in. Prentice Drill Bit - Fractional Bit for High Tensile Steel, Cobalt Blend Drill Bit with 3-1/8 in. Cutting Length

A heavy-duty large diameter drill bit— Walter SST+ 135 Deg. Prentice Bit is designed for use with portable drills, drill presses and magnetic base drills having chuck capacity of 1/2 in. The fractional drill bit offers a special bronze SST surface treatment to high tensile metals including stainless steel, mild steel, and other non-ferrous alloys. The extra hard tips of SST+ drill bit ensure fast drilling action in lesser time. The exclusive point geometry eliminates the need of pre-drilling. Cobalt blend construction adds to the durability of Prentice Drill Bit. You can use Walter Lubricants for superior performance. 135 deg. drill bit can be used at both high and low speeds.

• Applications: Prentice Bit is engineered for drilling large diameter holes with stationary and portable machines. The fractional drill bit can be safely used on stainless steel, mild steel, and non-ferrous metals
• Efficiency: 135 deg. drill bit with an exclusive point geometry works well on round surfaces and eliminates the need of pre-drilling. The extra hard tips allow for drilling of more holes in between re-sharpening sessions
• Durability: this large-diameter drill bit is made using high-quality cobalt blend for superior performance and an extended life. SST+ drill bit is suitable for creating holes of diameter greater than 1/2 in.
• Prentice Drill Bit: the heavy-duty drill bit offers special bronze SST surface treatment to metals and is widely used on drill presses and magnetic base drills with ½ in. chuck capacity. 3-Flats shank design prevents slippage inside the chunk
• Specifications: with an overall length of 6 in., this 135-deg. prentice drill bit has a drill size of 1-7/16 in. and flute size of 3-1/8 in. Drilling bit can be operated at a variable speed. It is advised to use Walter lubricants for faster hole drilling