Dormer Cobalt Steel Drill Bit Set, 8.5mm Shank, 117mm Overall Length, 10 Pieces A7778.5

Dormer A7778.5 Drill Bit Set with cobalt steel material offers excellent durability and performance for drilling applications. This set includes 10 pieces of drill bits with a shank size of 8.5mm and an overall length of 117mm, making them suitable for a variety of industrial and professional uses.

The drill bits feature four helical flutes designed for efficient chip removal and a drill point angle of 135 degrees that enhances cutting precision. Finished with bronze surface treatment, the bits have a cylindrical and straight shank type ensuring a firm fit in compatible drill chucks. The right-hand cutting direction supports standard drilling operations.

These drill bits comply with the DIN 338 standard and are manufactured in France, emphasizing consistent quality and reliability. With a drilling length of 75mm, these bits provide controlled penetration depth for use in tougher, high-tensile materials.

This set is suitable for machining tasks in industries such as manufacturing, construction, mechanical workshops, and fabrication shops where high-quality drill bits are essential for efficient and accurate drilling.

Includes 10 pieces of 8.5mm diameter drill bits with 117mm overall length. Made from HSCo cobalt steel for superior hardness and heat resistance. Four helical flutes with a 135° drill point angle for efficient cutting. Bronze finish and cylindrical/straight shank for secure mounting.

Right-hand cutting direction and compliance with DIN 338 standard. Drilling length of 75mm suitable for precise material penetration. Manufactured in France ensuring high quality standards. Ideal for professional drilling applications on tougher and higher tensile materials.

Explore more high-performance drill bits and power tool accessories at EnvMart for your industrial and mechanical tool needs.

Explore more products in our Drill Bits & Parts category.