General purpose use Suitable for materials up to 1000N/mm2 Blind holes Depths up to approx. 2.5 x d1
Specifications
Designation: N (for normal general purpose type materials) Material: Premium Grade High Speed Steel (HSSE-V3) Finish: Steam Oxide (Blue) Max Cut Depth: 2.5xD Shank Form: Reinforced Shank (with square drive) Helix Angle: R40 X: als Type: Spiral Flute Standard: ISO529 Thread Form: British Standard Whitworth 55° (BSW) Nut Tolerance: Z3 Medium Lead: Form C / 3 x P
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