Ruko 201057 Drill Bits DIN 338, Thread-Rolled, 5.7 mm, Set of 10 in Plastic Packaging

• High Speed Steel Rolled Twist Drill Bit
• Rolled twist drill bit with increased fracture resistance.
• Powerful drill, suitable for all normal drilling in conventional materials.
• Applications: for steel, cast steel, alloyed and non-alloyed (up to 900 strength N/mm²), grey, malleable, ductile and casting, sintered iron, alpaca, graphite, short chip aluminum alloys, brass and bronze.
• Packaging: in plastic packaging

Powerful roll-rolled twist drill bit made of 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, spherical and die-cast iron, sintered iron, nickel silver, graphite, short chip aluminium alloys, br and bronze. Technical data: Diameter: 5.70 mm. Total length: 93.0 mm. Spiral length: 57.0 mm. Lace grinding: tapered sheath. Sharpening: normal grinding. Tip angle: 118. Spiral angle: 20-30. Diameter tolerance: h8. Surface: black, steam tempered. right-hand cutting Box contents: 10 pieces in plastic packaging.