Dormer HSS Split-Point Jobber Drill Bit, 7.5mm Diameter, 109mm Overall Length, 135° Point Angle A1087.5

Dormer A1087.5 is a professional-grade HSS Split-Point Jobber Drill Bit set featuring a 7.5mm diameter and 109mm overall length. Made from premium tempered HSS steel, these drill bits are engineered for precision and durability in industrial and manufacturing environments.

The set contains 10 drill bits designed with a 135° point angle to maximize drilling accuracy and reduce walking when starting holes. Their self-centring split-point ensures excellent positional accuracy and high-quality hole finishes.

Each drill bit has a helical flute for rapid swarf removal, improving drilling speed and longevity of the bit. The bits are suitable for drilling a wide range of materials such as stainless steel, cast steel, grey cast iron, malleable iron, aluminium alloys, nickel-brass, graphite, plastics, and other similar materials. These bits are not intended for masonry applications.

The bits feature a cylindrical/straight shank of 7.5mm size, compatible with most standard drill chucks and machines. The right-hand cutting direction and blue surface treatment add to the durability and usability of the set. Drilling length is 69mm, making the set ideal for general-purpose usage.

The Dormer A1087.5 drill bits conform to international standards ISO 235, DIN 338 RN, and BS 328, ensuring quality and performance consistency. Manufactured in France, this set is designed for industrial, laboratory, construction, and mechanical engineering applications where precision and reliability are critical.

Made from high-quality tempered HSS steel for durability. Features self-centring split-point to enhance positional accuracy and hole quality. Helical flute design for efficient swarf removal during drilling. Suitable for hand and machine use across multiple materials including stainless steel and alloys.

Complies with ISO 235, DIN 338 RN, and BS 328 standards. Cylindrical/straight 7.5mm shank for secure chuck fitting. 135° point angle for maximum drilling precision. Blue surface treatment for increased bit lifespan. Drilling length optimized at 69mm for jobber drill usage.

Manufactured in France guaranteeing premium quality.

This 10-piece Dormer HSS drill bit set is suitable for industrial manufacturing, metalworking, HVAC installations, automotive repairs, and precision machining tasks. These jobber drills provide consistent performance for a variety of materials and applications requiring fine accuracy.

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