Pcs Stainless Steel Metal Hole Saws 16 mm 18.5 mm 20 mm 25 mm 30 mm

High-quality materials: After high-density grinding and high-quality heat treatment, the hole saw attachment is made of ultra-hard tungsten steel. It boasts high hardness, good toughness, and high concentricity performance. Exquisite design: The hole opener adopts a spring design, which facilitates chip removal. Excellent drilling performance. Use the hexagonal handle to securely lock it in place. Simple operation: The included Allen key allows for easy disassembly or quick assembly of the hole saw. Long service life: Special heat treatment makes the drill bit more durable and longer-lasting. Purpose: The hole saw set is suitable for bench drills, electromagnetic drills, pistol drills, electric hammers, etc. Used for stainless steel plate, square tubing, iron, cast iron, wood, and other common sheet metal. Features: Hole saws for high-speed steel and stainless steel, drill bits, sheet metal reamers. The hole opener adopts a spring-loaded design, which promotes chip removal and superior drilling performance. High precision, smooth cutting edge, especially impact and wear resistance. Due to special heat treatment, sharp edges, high strength. The hole saw will help you drill large diameter holes in office materials, household wood, aluminum plates, alloy plates, plastic sheets, stainless steel, mild steel, iron, copper, and brass, etc. Specification: Material: HSS high-speed steel Color: Silver Size: 16mm, 18.5mm, 20mm, 25mm, 30mm How to use: 1. When using this item, the material of The cutter must be fixed and cannot be moved. It must be perpendicular to the drill bit at a 90-degree angle. 2. When the center drill bit enters the hole, wait a moment, then slowly drill the hole. 3. During drilling, if you think the drill bit is abnormal or the waste is not ideal, please stop drilling, remove the chips, and then continue drilling. Delivery: 5 × hole openers