BRIED "9" SERIES

Product features:
High precision & durability, fine reliability. The drill, grip jaw, nut, external sleeve, spanner wheel adopt the superior steel for its manufacture. It employs nowadays the most advanced vacuum heat treatment in the world.
The appllcable range:
Heavy-duty, ultra-heavy duty tasks, it is commonly used in lathe, miller, CNC and woodworking machinery. It may endure high-speed cutting.
Accuracy inspection：
It utilizes two different diam. and length checkrod to examine the radial skip. Large rod ￠3 length 105mm, small rod ￠6 length 65mm.
The max. radial skip of this product will not exceed 0.16mm. It reaches to national standard A Level accuracy criterion.
The drill spanner wheel hole hardness is HRC48-50, grip jaw nut is HRC53-55, spanner wheel; external sleeve are HRC48-50.
The rear taper uses the drill clamp cone gauge (GB-11855) for its painted inspection. The contact-time is no less than 85%. It is 70% higher than the national standard.
Torque: GB/T6087-93 fixed input 24N.M. output 14N.M. The product may maximumly input 50N.M and output 37N.M. with no damage to various spares of the drill chuck.