Ruko Twist Drill DIN 338, 2.9 mm HSS-Co in SB 2155029

Description

• Ground twist drill made of high-performance high-speed steel with cobalt alloy.
• Fully ground design for improved concentricity accuracy.
• Suitable for standard drilling work in commonly used materials; cobalt content provides increased hot-hardness resistance.
• For unalloyed and alloyed steels up to 1100 N/mm strength, hot- and cold-work steels, tempered and case-hardening steels, and stainless and acid-resistant steels.
• Packaging unit: 1 piece in an SB pouch.

High-performance, ground twist drill made of high-speed steel with cobalt alloy. The fully ground twist drill offers improved concentricity accuracy. The cobalt content provides increased hot-hardness resistance. Applications: for unalloyed and alloyed steels up to 1100 N/mm strength, hot- and cold-work steels, tempered and case-hardening steels, and stainless and acid-resistant steels. Technical specifications: Diameter: 2.90 mm; overall length: 61.0 mm; flute length: 33.0 mm; point grind: conical relief grind; split point: from 3.0 mm; cross-ground point according to DIN 1412 C; point angle: 130; helix angle: 2030; diameter tolerance: h8; surface: gold-brown; right-hand cutting; packaging unit: 1 piece in an SB pouch.

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