Forstner Drill Bits 90mm, Tungsten Carbide Wood Hole Saw Auger Opener, Woodworking Hinge Hole Drilling Boring Bit Cutter,Round Hole Drill Bit for Wood Diameter （1 Pcs）

Size:90mm Because the Product factory order is different, the color may be different, and it is not necessarily blue. Most of it is guaranteed to be blue, but no matter what the color, the quality of the product is guaranteed to be the same. Please rest assured to buy, If you mind not to buy, thank you! Technical Parameters Drilling dia: 90mm Color: Blue/Orange/Red Shank type: Round shank Material:Cemented carbide; Product Feature *Can be used for wood product perforation,installation of spherical door locks,drawer locks,hard plastic products,etc.Dedicated to wood board opening and mounting hinges. *When positioning the drill,please wait a moment and then drill slowly. *If there is any abnormality or chip removal during operation,please stop working immediately and clean the debris before continuing the drilling operation. Instructions for woodworking hole opener 1. Put the hole opener into the electric drill before use and confirm that it is firmly clamped before it can work. 2. Keep the vertical angle with the workpiece when working. After the hole opener drills through the workpiece, the workpiece should be withdrawn while the hole opener is rotating. Please clean the sawdust in time to avoid opening failures during continuous work. 3. Workers should wear corresponding protective equipment when working to protect them from working safely, and apply rust oil after use to extend the service life. Package Includes 1 x Hole Opener

• Specifications: Drilling Dia.: 90mm; shank size: 11mm; total length: 86mm. Hex shank, cemented carbide cutter and solid hardened steel body. Rotation speed (suggested): 1200-6000 RPM, feed speed (suggested): 8-12M/Min.
• Applications: Can be used for drilling holes on wood and plastic products, furniture, door hinge. Used on cutting wood, plywood, solid wood boards, MDF, plastics, fiberglass etc.. Forstner drill bit is for ordinary purpose
• Features: Tungsten carbide cutting tip with special heat treatment for sharp cutting edge, high hardness, non-burrs and durable use. Arc curve design head for easy chip-removal, more efficient perforation
• How To Use: Suitable for bench drill, vertical drilling machine, hand held electric drill, impact drill, CNC carving machine and other drill press. Processing hardwood or other hard materials should be injected with water to improve the quality and accuracy of drilling, and extend the life of the hole opener.
• Warm Tips: Can not drill metal and non-ferrous metal, otherwise the hole opener will be damaged quickly. Before drilling, be sure no nails or other metal objects in wood to avoid causing damage to forstner drill bits. The cutting edge and tip of the hole opener should be sharpened in time.