Parts List: 1 x 68mm Forstner Drill Bit OR 1 x 70mm Forstner Drill Bit Highlight description: [Durable & Rustproof] The bit is made of high quality tungsten steel, strong hardened steel body, high hardness, rustproof, sturdy and durable, long service life. [Hole Opener Drill Bit Size] The diameter of the bit is 68mm/70mm. Hexagonal shank diameter is 10mm, total length is 93mm. [Wide Application] Suitable for deep hole work for wood products, can be widely used for drilling holes in wood, plastic products, furniture and tables, etc. It can be used for solid wood, plywood, medium fibre board, particle board, density board, chipboard and so on. Note: Prohibited to use on tile, concrete, metal and glass. [Widely Compatible] Drilling operations are best performed with machines that have good fixing performance. The drill is compatible with a wide range of models, such as hand-held electric drills, lithium-ion electric drills, and bench drills. If it is necessary to use a hand-held electric drill for operation, it is best to use it in conjunction with a vise. [After-sales] If you have any questions, please get in touch with us, our service team will provide you with a professional and satisfactory service. Detailed description: Specification Product name: Forstner Drill Bit Material: tungsten steel for the cutter head, common steel for the joint rod. Color: Silver Black Style(optional): 68mm, 70mm Size: Hexagonal shank diameter 10mm 68mm: length 93mm, head diameter 68mm. 70mm: 93mm long, 70mm head diameter. Notes: 1. Prohibited to use on tile, concrete, metal and glass. 2. There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 3. Please allow slight dimension difference due to manual measurement. [Durable & Rustproof] The bit is made of high quality tungsten steel, strong hardened steel body, high hardness, rustproof, sturdy and durable, long service life. [Hole Opener Drill Bit Size] The diameter of the bit is 68mm/70mm. Hexagonal shank diameter is 10mm, total length is 93mm. [Wide Application] Suitable for deep hole work for wood products, can be widely used for drilling holes in wood, plastic products, furniture and tables, etc. It can be used for solid wood, plywood, medium fibre board, particle board, density board, chipboard and so on. Note: Prohibited to use on tile, concrete, metal and glass. [Widely Compatible] Drilling operations are best performed with machines that have good fixing performance. The drill is compatible with a wide range of models, such as hand-held electric drills, lithium-ion electric drills, and bench drills. If it is necessary to use a hand-held electric drill for operation, it is best to use it in conjunction with a vise. [After-sales] If you have any questions, please get in touch with us, our service team will provide you with a professional and satisfactory service.