Product Performance: The product with High precision & durability. The drill, nut, grip jaw, external sleeve spanner wheel adopt the superior steed for its manufacture. It employs nowadays the mast the most advanced technology of vacuum heat treatment in the world. The applicable range: Heavy-duty, ultra-duty tasks, it is commonly used in lathe drill bench, miller, CNC and woodworking machinery, It may endure high-speed cutting. Accuray inspection: It utilizes two different diam, and length checkrod to examine the radial ship. The max radial skip of this product with not exceed 0.15mm. It reaches tonational standard A Level accuracy criterion. The minimun radial skip of the product is less than 0.08mm, which can satisfy the customer's need. The drill spanner wheel hole hardness is HRC47-50, grip jaw nut is HRC52-55, spanner wheel: Exte mall sleeve are HRC 48-50. The rear raper uses the drill clamp cone gauge (GB-11855) for its painted inspection. The contact-time is 70%higher than the national standard Torque: GB/T6087-93fixed uboyt 24N. M, output 14N. M, This product may maximumly input 50N. M, and output 30N. Mwith no damage to various spates of the drill chuck.
