Extra long

Extra long right-hand twist drill for steel with cylindrical shank Edge angle: 118 ° Helix angle: 25 ° to 30 ° Material: HSS - High speed steel Standard: ČSN 221130 Usage: General - hand, stand, column drills Alloy and non-alloy steel, cast steel with strength up to 900 N / mm2 Gray, malleable / ductile cast iron, sintered steel, short-chip aluminum alloy, bronze, tough brass.

Extra long right-hand twist drill for steel with cylindrical shank Edge angle: 118 ° Helix angle: 25 ° to 30 ° Material: HSS Standard: DIN1869, ZV 3001 Usage: General - hand, stand, column drills Alloy and non-alloy steel, cast steel with strength up to 900 N / mm2 Gray, malleable / ductile cast iron, sintered steel, short-chip aluminum alloy, bronze, tough brass.

Extra long right-hand twist drill for steel with cylindrical shank Edge angle: 118 ° Helix angle: 25 ° to 30 ° Material: HSSCo5 - High speed steel + 5% Co5 Standard: DIN1869, ZV 3001, T1000, GT100 Usage: General - hand, stand, column drills Alloy and non-alloy steel, cast steel with strength up to 900 N / mm2 Gray, malleable / ductile cast iron, sintered steel, short-chip aluminum alloy, bronze, tough brass.

Extra long right-hand twist drill for steel with cylindrical shank Diameter: 7.0mm Drill length / helix length: 290/200mm Blade angle: 118° Helix angle: 25° to 30° Material: HSS High-speed steel Standard: DIN1869, ZV 3001 Usage: Especially long drills recommended for drilling deep holes through drill bits housings in parts made of unalloyed and alloyed steel, cast steel up to a strength of 900 N/mm2, gray, tempered and malleable cast iron, sintered steel, etc. When drilling deep holes, it is necessary to prevent clogging of the grooves by frequently moving the drill out of the drilled hole. In view of the poor supply of cutting fluid, it is necessary to reduce the recommended cutting conditions. Cat. No. : A180702V000S