Engineered for deep-pocket profiling, extended-reach slotting, and deep-plunging applications, the Guhring Metric Long Series M42 Cobalt End Mill range delivers the ultimate balance of red-hardness and structural resilience. Manufactured from premium 8% Cobalt High-Speed Steel (designated as M42 HSS-E), these heavy-duty extended length slot drills feature a robust core structure specifically optimized to withstand elevated torsional stress over longer overhang distances. Unlike brittle carbide alternatives that can instantly fracture under structural harmonics or slight machine flexing, the high-tensile elasticity of the premium M42 substrate absorbs heavy shock loads and lateral deflection without chipping. This makes this long-series range the industry standard for reliable, stable cutting in work-hardening stainless steels, high-tensile alloy plates, titanium, and demanding structural fabrication setups.

TECHNICAL DATA

• Made from M42 Steel
• Standard  - DIN 844 L
• Surface - Bright Finish
• Helix Angle - 30DEG
• Tolerance - H10
• Guhring No. 3453