SPARKY BVR 6 Professional

Series A100 HSS Straight Shank Jobber Drills Letter Sizes Suitable for drilling steel, cast steel, alloyed and unalloyed, grey cast iron, spheroidal iron, sintered powder metal, German silver and gr more→aphite. Manufactured to BS328/DIN338RN. Black Finish (W-Finish) This is the most common surface finish and is the result of a steam tempering operation in which steam is passed over the product during a controlled tempering cycle, producing a black oxide layer. Black tools are generally recommended for ferrous applications where the oxide layer aids chip flow, helps to dissipate heat by retaining some coolant on the tool surface and also helps to prevent the tool from staining.

Ideal for clean accurate drilling in metal, laminates, plastics and wood. Straight shank HSS jobber drill bit

The Dormer A777 drill bits are designed for both professional and industrial use, offering reliable performance in high-stress environments. The 135° split point design reduces walking and ensures more→precise drilling, while the HSS-E cobalt construction extends tool life and maintains sharpness longer, even at high temperatures. Constructed from high-speed steel with 8% cobalt, these drill bits offer exceptional hardness, heat resistance, and wear resistance, making them ideal for demanding applications. Features & Benefits • High speed cobalt steel • Standard spiral flute design • DIN338 • Bronze finish • NAS907J • Right hand rotation/cutting • 135° point …