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Creates an H7 hole tolerance
Spiral groove design for all ferrous and non-ferrous metals, hard and soft plastics. Particularly recommended for continuous cuts such as keyways or cross holes.
Spiral groove design with 8° left-hand spiral, suitable for all ferrous and non-ferrous metals.
Spirally fluted design, 8° left-hand spirals, predominantly suitable for through holes in all ferrous and non-ferrous metals.