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Premium Widia Broca Metal Drill Bit 7.5x69/109 mm - Model 338, Part Number 3810502666
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Product information
Description
Description
- This is a high-quality tungsten carbide tipped (TCT) drill bit designed for precision drilling in hardened materials. Suitable for use with stationary machines, it is ideal for drilling steel, cast iron, bronze alloys, and manganese steel. The drill bit features a durable chrome vanadium steel body hardened to 56 Rockwell C, with a four-faceted ground tip for low drilling pressure and accurate centering. The tip is made from C2 carbide, capable of drilling materials up to 50 Rockwell C hardness. For optimal performance and extended lifespan, a coolant such as a 3-6% emulsion should be used during drilling.
Specifications
- Diameter: 7.5mm
- Total length: 109mm
- Working length: 69mm
Features
- BrandIRWIN
- Warranty1 year(s)
- Diameter7.5 mm
- Shank typeCylindrical
- Total length10.9 cm
Advice from
Drill buying guide
From hammer drills to drill drivers, your choice of drill will come down to the type of tasks you want to complete. For example, a cordless drill is better for driving screws while a corded drill is best suited to drilling. Read on for our tips on picking the right torque, RPM, impact rate, battery and chuck type.
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Visit the IRWIN storeIRWIN is a leading manufacturer of hand tools and power tools, primarily for the professional market. The company was founded in 1885 in Martinsville, Ohio. Fun fact: its founder was a pharmacist, Charles Irwin, who called it the Irwin Auger Bit Company, because it was primarily a bit and bit-making shop. Irwin had bought the patent rights from a nearby blacksmith for a flat wood bit with cutting lugs, making woodworking easier.
At the same time, and later in Nebraska, another blacksmith, William Petersen (descended from Danish immigrants), also had a bright idea: to create vise-grips with a more powerful grip, thanks to the famous Vise-grip design. He patented the invention and set up the Petersen Manufacturing Company; previously, he had sold his pliers from the boot of his car.
In 1993, the two companies merged: the Petersen Manufacturing Company, now the American Tool Companies, acquired Irwin Tool Company, before the group became part of the Newell Rubbermaid group, founded in 1903. Irwin has since moved its headquarters to Huntersville, North Carolina. In addition to Vise-Grip, Irwin boasts a broad portfolio of innovations, including Jack for its saws, Quick-Grip for its clamps, Speedbor for its flat bits... Since 1961, Irwin has sponsored the Irwin Tools Night Race, a stock-car race in the American NASCAR championship.
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