About this item

• Efficient Cutting Performance: made of high speed steel and high hardness alloy, the 3.15-inch bi-metal construction allows for smooth and precise cuts with minimal heat buildup, resulting in faster completion times and enhanced productivity
• Sharp and Durable: featuring a bi-metal construction, combining high-speed steel cutting teeth with a specially designed flexible steel saw body, it is equipped with a clockwise forward gear mechanism and a centrally located spring-loaded drill bit, which facilitates efficient cutting and easy ejection of the cut material
• Applicable to Standard Tools: Designed to fit standard hole saw arbors and mandrels, this bi-metal hole saw bit is compatible with a wide range of drilling equipment, making it easy to integrate into existing tool setups and workflows for seamless operation
• Compatible cutting material: the hole opener is suitable for hole cutting of materials such as wood boards, gypsum boards, pilaster boards, fiberboards, plastic boards, and soft metal sheets. It is not applicable to fireproof boards, cement boards, glass, tiles, etc
• Please Note for Your Safety: the power tool adapter is screwed into the hole saw bit in a clockwise direction. Therefore, when making holes, please drill in a clockwise direction to avoid the connecting rod of the hole saw from unlocking and falling off due to counterclockwise rotation