Dormer High Speed Steel Drill Bit, 20mm Diameter, 40mm Overall Length, Cylindrical Shank, 1.5mm Shank Size, 5 Pieces A1001.5

Dormer A1001.5 high speed steel drill bit set offers a professional quality solution for precise drilling tasks in industrial, construction, and mechanical environments. The drill bits are manufactured from premium high speed steel alloyed with 8% cobalt, ensuring excellent heat and wear resistance during high-speed drilling operations.

The set contains 5 pieces of 20mm diameter drill bits, each with a 40mm overall length and 18mm drilling length, featuring a cylindrical 1.5mm shank that fits standard chucks. The 118° point angle design enhances drilling efficiency and reduces walking for accurate hole placement. The helical three-flute structure provides effective chip clearance, improving cutting speed and surface finish quality.

These drill bits conform to stringent ISO 235, DIN 338 RN, and BS 328 standards, guaranteeing consistent performance and quality. They are ideally suited for drilling steel, cast steel, grey and malleable cast iron, nickel-brass, aluminium alloys, and graphite materials.

The right-hand cutting direction further optimizes the drilling process for smooth and controlled material removal. This set is engineered for use both with hand drills and machine drills, making it highly versatile for workshop, construction site, and manufacturing applications.

Manufactured from high speed steel with 8% cobalt alloy for superior heat and wear resistance. Features a 118° drill point angle for efficient cutting and reduced walking. Helical flute type with 3 flutes provides efficient chip removal.

Suitable for use on steels, cast steel, grey cast iron, malleable cast iron, nickel-brass, aluminium alloy, and graphite materials. Cylindrical shank type with 1.5mm shank size for compatibility with standard chucks. Right-hand cutting direction optimizes drilling performance.

Complies with ISO 235, DIN 338 RN, and BS 328 standards. Set is ideal for both hand and machine use across industrial and construction applications.

This Dormer high speed steel drill bit set is essential for professionals in metalworking, construction, mechanical maintenance, and engineering fields seeking reliable and long-lasting drill bits. Explore more Drill Bit solutions and power tool accessories in EnvMart's Industrial Tools & Equipment category to optimize your operational efficiency.