COEWUR 100mm Hole Saw, Bi-Metal Hole Saws Cutter with Drill Bit

• 【100mm Bi-Metal Hole Saw】The 100mm hole cutter for plasterboard is made of M42 high-speed steel and rustproof BI-Metal, contains about 8% cobalt, which is featuring high hardness to ensure the surface layer durable and rust-proof, higher toughness and higher cutting strength,was built tough for repeat use.
• 【Professional and highly efficient 】The soft spring steel produces a flexible backing material that can open holes flexibly, the Wood Cutter Hole Saw also provides high-precision smooth edges and the spring on the hole saw drill bit is cleverly designed to automatically pushes the disc out of the saw immediately after completing the hole.
• 【Fast accurate cutting】The Metal Hole Saw Cutter is layered with high-speed steel and the variable-pitch sharp teeth are combined with a non-binding clean edge, guaranteeing smooth and precise cutting every time.
• 【Easy chip removal】The porous chip removal design of Circular Hole Cutter for Wall can quickly remove chips, improve the speed of removing wood chips or iron chips in the hole, and will not cause cracks and jams, and improves work efficiency.
• 【Wide Application】The 100mm Core Drill Bit is for jobs requiring high performance and high precision. In addition to cutting holes for can lights or recessed lights, the Hole Saw comes in handy for home projects when working on air ducts, ceiling lights, speakers and more.
• 【Product size】The package includes 1pcs 4 inch hole saw. Hole saw diameter: 100mm/3.94in, cutting depth: 37mm/1.46in, knife handle diameter: 10mm/0.39in. Ideal for professional processing metal, plaster, stainless steel, plastic, plywood and wood.

✔ The 4inch hole cutter for plastic adopts the front and rear inclined tooth type, the knife is sharp, the vibration is small, and the hole is opened quickly and smoothly ✔ Multi-directional chip removal hole design, drilling more smoothly and improving work efficiency ✔ High-speed steel center drill, high strength, durable ✔ Widely used Suitable for iron sheet, aluminum, PVC board, plastic, gypsum board, wood Ideal for installing locks, knobs in doors and cabinets or drilling holes in desks or workbenches ✔ Suitable for all electric drills For 1/4 accessory, power conversion adapter, drill bit or drill chuck holder with SDS-plus The package includes: 1 x 4 inch hole saw 1 x twist drill Details Material: M42 HSS steel Cutting diameter: 100mm/3.94inches Cutting depth: 37mm/1.46inches knife handle diameter: 10mm/0.39inches Total length: 93 mm/3.66inches Tips: 1. Add coolant when opening metal materials 2. This product is not suitable for concrete, glass, brick wall, thick steel 3. All dimensions are measured manually, please allow a little error. 4.Should work with electrical drill machine, here is not included. 5. Be careful to avoid skipping of the blade when using a hole saw, this can ruin the finish of your case. 6.Adult use only and always wear appropriate safety gear when using. 7.Before using the hole saw tool, be sure to grasp the rationality, selection, control, tachometer. 8.Please make sure the saw comes to a complete stop on your material before pulling it away. And do not start the hole saw with coming in contact with your material too. 9.When using the hole opener kit for a long time, please control the rotation speed appropriately, RPM≤1000, it is easy to cause high-speed wear of the hole opener.