RS PRO High Speed Steel Drill Bit, 4.38 mm Diameter, 80 mm Overall Length, Cylindrical Shank, Black Finish 668-0961

RS PRO model 668-0961 is a set of 10 high speed steel (HSS) drill bits engineered for precision drilling applications in industrial, mechanical, and construction environments. Each drill bit features a 4.38 mm diameter and an overall length of 80 mm, including a 47 mm drilling length, enabling consistent and accurate hole creation in various materials.

The bits have a cylindrical shank type and a black finish that provides enhanced corrosion resistance and tool longevity. The use of 4 helical flutes facilitates improved chip evacuation, which boosts drilling efficiency and reduces heat buildup during operation.

The drill point angle of 118° combined with a right-hand cutting direction ensures smooth cutting action and minimal walking when starting the drill, making these bits suitable for use in metal, wood, and plastics. Compliance with DIN 338 standards affirms the high precision and quality of each drill bit.

This 10-piece set is ideal for industrial and workshop use, supporting manufacturing, maintenance, and repair tasks requiring reliable drilling performance. It provides a balance of toughness and sharpness necessary for professional use.

The RS PRO brand is recognized for producing premium quality tools that meet demanding industrial standards, with production based in China ensuring cost-effective manufacturing without compromising quality. Each piece in this set is designed to deliver consistent drilling accuracy and reliable service life.

Made from durable high speed steel for long-lasting performance. Each bit features a 4.38 mm diameter for fine drilling tasks. Overall length of 80 mm with a 47 mm drilling length ensures accurate penetration. Cylindrical shank design allows secure fitting into drill chucks.

Black finish enhances corrosion resistance and tool durability. Four helical flutes optimize chip removal and drilling efficiency. Drill point angle of 118° for effective cutting and reduced walking on material. Right-hand cutting direction suitable for standard drilling operations.

Compliance with DIN 338 standards guarantees dimensional accuracy. Manufactured in China under RS PRO brand quality control. Explore more technical tools and Drill Bits in the Power Tools category available on EnvMart for your industrial and professional needs.