The Starrett KFC06021 is an 8-piece electricians hole saw set designed for cutting precise holes in electrical installations and general metalwork applications. This comprehensive Fast Cut bi-metal hole saw kit features extra cobalt HSS tooth material for enhanced heat and wear resistance, making it ideal for demanding professional use. The advanced 5.5 TPI positive rake tooth design delivers smoother, faster cutting with reduced torque compared to traditional constant pitch hole saws. The 30% increased gullet volume improves material penetration and chip clearance, whilst the cobalt-enriched tooth material extends product life when working with challenging materials. Specifically engineered for cutting 3mm stainless steel, mild steel sheet and tubes, the set also cuts through wood, plastic, plaster and other materials up to 13mm (1/2") thick. The 41mm cutting depth accommodates typical conduit and cable installation requirements, making this kit particularly suitable for electrical contractors and maintenance engineers. The kit includes six commonly-used hole saw sizes from 16mm to 51mm, covering the most frequent diameter requirements for electrical outlet boxes, conduit entries and cable gland installations. Complete with two arbors and an ejector spring for efficient operation. Features and Benefits: • Extra cobalt HSS teeth provide superior heat and wear resistance for extended tool life • 5.5 TPI positive rake tooth form reduces torque for smoother cutting action • 30% extra gullet volume improves chip clearance and material penetration • Versatile cutting capability across metals, plastics, wood and plaster • Complete kit with essential arbors and ejector spring included Specifications: Kit Contents: Fast cut hole saw sizes 16mm (5/8"), 20mm (25/32"), 25mm (1"), 32mm (1.1/4"), 40mm (1.9/16"), 51mm (2"); Arbors A1 & A10; Ejector spring A7 Pieces in Kit: 9 Cutting Depth metric: 41mm Cutting Depth imperial: 1.5/8" Teeth per Inch (25mm): 5.5 Teeth Type: Extra Cobalt HSS Country of Origin: CN
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