150mm Bi-Metal Hole Saw, M42 HSS Bi-Metal Core Drill with Centering Drill Bit for Heavy Duty Drilling in Iron, Aluminum, Wood, Drywall, Pipe, Fiberboard/Blue

[Bi-metal Hole Saw in Various Sizes] 38 mm / 70 mm / 100 mm / 155 mm. 10 mm shank, 75 mm diameter. Working depth is 27 mm. 100% cemented carbide steel with a center shank.
[Widely Used] The hole saw is widely used in plasterboard, steel, aluminum, non-ferrous metals, copper, brass, wood, plastic, PVC, and other materials. Suitable for bench drills, electromagnetic drills, pistol drills, impact drills, etc.
[Professional Hole Saw Material] Our circular drill bit is made of heat-treated and blackened carbon steel. It is oil and rust resistant, high hardness, good toughness, and durable. The blade is sharp, high hardness, wear-resistant, chip-resistant, and reliable. Precision metal hole cutter without wobbling.
[Intelligent Design] The hole saws for cutting circular holes use a spring-loaded design that promotes chip removal, resulting in superior drilling efficiency. The hexagonal handle closes securely. With its clean edge design, this hole saw kit is smooth and easy to use. The spring on the drill automatically pushes the disc out of the saw immediately after the hole is finished.
[After-Sales Service] We offer a 90-day no-questions-asked refund or replacement service for any quality issues. Contact us anytime to resolve your product or service problem through Amazon.