2-1/8 Inch Hole Saw for Wood, 54mm HSS BI-Metal Hole Saw for Recessed Lighting, 30mm Cutting Depth Hole Cutter with Hex Shank Drill Bit Adapter for Cornhole Boards Plastic Drywall Fiberboard, Red

• WIDE APPLICATION: Our Bi metal Hole saw is perfect for cutting wood, PVC pipe, aluminum sheet, iron sheet, gypsum board, plastic, can lights or recessed lights. And you can't use our hole saw to cut calcium silicate board, cement board, ceramic tile, glass, stainless steel or thick iron plate
• PROFESSIONAL MATERIAL: The 2-1/8 inch hole saw is made of HSS carbon steel & Bi-metal steel, which has superior performance and higher cutting strength than others hole saws. Built tough for repeat use and handy for working on cornhole boards and plastic
• SMOOTH CUTTING: The high-quality bi-metal blade and variable pitch sharp HSS teeth combine with Non-binding clean edge design ensures smooth and clean cutting of the hole saw blade. The spring on the drill would automatically pushes the disc out of the saw immediately after completing the hole
• EXCELLENT WORKMANSHIP: This 54 mm hole cutter is made of M42 high-speed steel and bi-metal, with higher hardness (≥65HRC), higher toughness, higher cutting strength, and stronger wear resistance. Also, Built rust-proof for repeat use. It’s cutting depth is 1.2 inch
• EASY TO USE: This 2-1/8” hole saw is compatible with most drills of manufacturers. Pass the pilot drill bit of arbor through the center circular hole on the back of the hole saw, and rotate the arbor until it is tightened

Ihomepark takes every customer seriously and provide our customers with the most cost-effective products responsibly. Most users prefer a bi-metal hole saw for the majority of their work because it is compatible with a wide variety of materials. It also cuts faster and smoother and with reduced vibration due to the variable pitched teeth. HSS bi-metal hole drilling cutter for smoothly cutting in wood cornhole boards plastic drywall & thin metal Cutting Steps: 1. Installing guide holes and hole saws. 2. Hold the drill pen until the cutting surface and rotate clockwise. 3. When drilling starts, cut at a slow speed and maintain a steady pressure. 4. The hole saw then cuts out the hole immediately. PLEASE NOTE 1. Hole saw may become overheated and get damaged or even burned up due to fast rotary friction, we suggest to use coolant (Not Included) to keep the hole saw cold during using. 2. Hold the drill straight to the cutting surface, and drill as clockwise rotation 3. Keep the drill be stable when drilling, otherwise, the center bit may get snapped due to excessive shaking. 4. Start drilling with a slow drill rotary speed, or the center bit may be shattered on first use.