Plain Shank Spiral flute, 3 flute. Medium duty. Used for milling of pre-drilled holes to allow bolt or cap head screws to lie flush with the component surface. Manufactured to manufacturers standard
Series J100 - Metric general purpose drills for steels, cast steel, grey cast iron, malleable cast iron, nickel brass, aluminium alloy and graphite.
Features and Benefits • High speed steel construction with bright finish for increased toughness • Supplied in the as-ground condition for use with non ferrous materials
Standards • Manufactured to BS 328/DIN338RN
Notes • Drills with a bright finish are supplied in the as-ground condition and such tools are used generally in the machining of non-ferrous materials.
Senator jobber drills are roll forged from HSS, ensuring uninterrupted grain structure. This provides exceptional strength and durability. Tips are ground for effective cutting. Suitable for drilling wood, plastic, carbon and plain steels where the cutting efficiency of ground flute is not required.
Features and Benefits • HSS construction for increased rigidity • Ground tips for effective cutting performance • Ideal for use on a range of substrates including wood, plastic, carbon and steels
Plain Shank Spiral flute, 3 flute. Medium duty. Used for milling of pre-drilled holes to allow bolt or cap head screws to lie flush with the component surface. Manufactured to manufacturers standard