Dormer Jobber Drill Set, Set of 25

Dormer A777 HSS-E Cobalt jobber drill bits from 1mm to 13mm in 0.5mm increments. • 25-Piece Set: Includes drill sizes from 1mm to 13mm in 0.5mm increments for versatile use. • HSS-E Cobalt Construction: Enhanced with 5% cobalt for superior wear resistance and extended tool life. • Jobber Length: Ideal for general-purpose drilling with optimal rigidity and reach. • Split Point Tip (118°): Reduces walking and ensures fast, accurate starts-no center punching required. • Suitable for Tough Materials: Perfect for drilling stainless steel, cast iron, titanium alloys, and other hard metals. Specifications • DIN338 Cobalt • Depth: 4 X D • Point Angle: 135° • Surface Treatment: Bronze • Shank: Straight • Helix Angle: Standard Spiral • Direction of Cut: Right Features and Benefits • HSS-E Cobalt wist drill bits • Cylindrical shank • Alloy steel =1620 N / mm² • Ductile cast iron =1000 N / mm² • Titanium alloys =1250 N / mm² • Nickel alloys =900 N / mm² Contents • 25 x A777 Cobalt Jobber Drill Bit