IRWIN, 63221, Drill Bit Set, Cobalt Alloy Steel; Jobber, 21 Piece, 6.1 in Length

This IRWIN Cobalt Alloy Steel High-Speed Steel Drill Bit Set includes drill bits made of M-42 5% Cobalt Alloy Steel high-speed steel for super abrasive resistance in tough metals. The 135° split point reduces feed pressure for easy penetration without work hardening, while the heavy-duty spiral flute design produces faster chip ejection. These versatile drill bits come in a metal index case for easy transport and organization.

Features

• RUGGED RESISTANCE: Made from M-35 Cobalt Alloy Steel for demanding trades

• Material: M-42 5% Cobalt Alloy Steel
• Bit Type: Jobber
• Length: 6.1 in
• Width: 4.4 in
• Height: 1.5 in
• Weight: 1.64 lbs
• Power Source: NON-ENERGY USING
• Warranty: None
• Country of Origin: China
• Point Angle: 135°
• Size Type: Fractional