Spiral Drill Bit DIN 338 Thread-Rolled 12.1 mm

• Thread-rolled twist drill bits made of high-performance high-speed steel.
• The Rolled spiral drill bits ensure increased resistance to breakage.
• High-performance spiral drill bits for all normal drilling jobs with all common materials.
• Areas of application: for alloy and Non-alloy steel and cast steel (up to a strength of 900 N/mm²), Grey cast iron, malleable iron, ductile iron and die-cast, sintered iron, nickel silver, Graphite, short chip aluminium alloys, brass and bronze.
• Packaging unit: in plastic packaging

High-performance, roll-rolled twist drill bit made of high-performance high-speed steel. Thanks to the roll-rolled manufacturing process, the material is solidified and offers increased resistance to breakage. Areas of application: For steel, cast steel alloyed and unalloyed (up to 900 N/mm² strength), grey, malleable, ductile and die-casting, sintered iron, nickel silver, graphite, short-chipping aluminium alloys, brass and bronze. Technical data: Diameter: 12.10 mm. Total length: 151.0 mm. Spiral length: 101.0 mm. Tip cut: taper edge Tip: normal grinding. Tip angle: 118°. Spiral angle: 20-30°. Diameter tolerance: h8. Surface: black, steam tempered. Right-hand cutting. Box contents: 5 pieces in plastic packaging.