Holemaker Silver Series Annular Cutter 40Mmx50Mm Doc | Accessories - Metric Cutters (M2AL) - Silver Series Gasket Maker They leave a swirl pattern

They leave a swirl pattern in the metal

Excellent tooling

wax residue and surface film with ease

swirl marks

Engine oils gear oils diesel fuel 100% anti-freeze and light fuel oil

Holemaker Silver Series Annular Cutter 40Mmx50Mm Doc | Accessories - Metric Cutters (M2AL) - Silver Series Gasket Maker They leave a swirl pattern50mm Depth Metric Silver Series Annular Cutters Brand: HOLEMAKER Part Number: AS4050 Hole Diameter: 40mm Depth of Cut (DOC): 50mm Pilot Pin Diameter: 6. 35mm (Use code SP16004) Shank Diameter: 3 4in 19. 05mm Description: M2AL HIGH SPEED STEEL MATERIAL M2AL High Speed Steel is a high alloy material with a hardness of up to 67. 5 HRC designed for increased endurance of the cutting edge and tool life. STEP HARDENED PROCESS This state of the art