RS PRO High Speed Steel Drill Bit 5.18 mm Diameter, 86 mm Overall Length, Cylindrical Shank, 4 Flutes, Black Finish 668-0968

RS PRO 668-0968 drill bits are precision-engineered high speed steel tools designed for efficient metal drilling in industrial, mechanical, and fabrication settings. Each bit features a 5.18 mm diameter cutting edge and an overall length of 86 mm, making them ideal for general-purpose drilling tasks requiring accuracy and durability.

The drill bits incorporate 4 helical flutes that facilitate effective chip evacuation during operation, reducing heat build-up and prolonging tool life. With a cylindrical shank sized at 4.7 mm, these bits ensure a stable grip in standard drill chucks. The black finish enhances corrosion resistance and wear protection, critical for demanding industrial environments.

The cutting geometry includes a right-hand cutting direction and a 118° drill point angle that optimizes penetration and hole quality. The drilling length of 52 mm supports medium-depth hole requirements in metalwork.

Manufactured according to the DIN 338 standard for jobber drill bits, the RS PRO 668-0968 set offers consistent performance across all 10 pieces. Originating from China, these drill bits serve applications in industrial fabrication, manufacturing, mechanical repairs, and metal processing workshops.

This pack of 10 drill bits provides essential tooling for mechanical engineers, maintenance professionals, and metalworkers seeking reliable, high precision HSS drill bits for daily operations.

Constructed from high speed steel for enhanced durability. Features 4 helical flutes for efficient chip removal. Cylindrical shank with 4.7 mm size for secure chuck fitting. Black finish provides corrosion resistance and wear protection.

Cutting direction is right-handed with a 118° drill point angle. Drilling length of 52 mm ensures deep penetration. Compliant with DIN 338 standard for jobber drills. Set contains 10 pieces of identical drill bits. Manufactured in China under RS PRO brand quality standards.

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