Rapid rotation chuck Profile folder inside the outer sheets synonymous with fast rotating dual chuck has been listed since 1981, the DPRK Quan fast precision rotary chuck products that are high-performance, high-quality, easy to install, easy to use. JATO fast precision rotary chuck series built oil pressure rotary cylinder, the user can complete the setup of the workpiece clamping system in a very short period of time, to quickly expand the variety of processing operations. In addition, rapid precision rotary towards Civil quick change collet chuck / vice jaws designed to help customers more resilient in the face of all kinds of small amounts of a variety of processing operations. So whether it is automated processing, semi-automated processing, automated conversion of traditional tools, special machine assembly and other kinds of applications, rapid precision rotary chuck towards Quan is the customer's name are preferred. JATO fast precision rotary chuck series has sold more than 15,000 factory group, is a recognized leading brands. JATO insist on quality first, carefully selected group of imported bearings and parts group, the full range of products from the metal materials, processing, assembly, product testing to product packaging and other operations, will be completed by the third-party partners consistent with the long-term cooperation factory in Taiwan, providing customers with the highest quality level commitment. Chuck built hydraulic / pneumatic rotary cylinder, rotary cylinder install additional free easy to install, quick clamping system working pressure build-type chuck cylinder to increase and enhance the gripping force of the collet / vice jaws quick change design, high work Elastic traditional lathe chuck with automatic modification center through hole design, with automatic feeding system working without stopping and unloading, high capacity for conventional lathe modified for automated or semi-automated assembly of all kinds of special machinery cutting fluid is not directly toward the chuck JA7- 44 / JH7-44 pneumatic hydraulic chuck kit you can buy in the photos within photos holding a job fast rotating chuck size and specifications rapidly rotating pneumatic collet chuck size models JA7-44 JH7-44 A 192mm hydraulic chuck (7.56 ") 192mm (7.56") B 155mm (6.10 ") 155mm (6.10") C 44mm (1.73 ") 44mm (1.73") D 5mm (0.20 ") 5mm (0.20") E 135mm (5.31 ") 135mm ( 5.31 ") G 110mm (4.33") 110mm (4.33 ") H 212mm (8.35") 212mm (8.35 ") I 172mm (6.77") 172mm (6.77 ") J M10 x P1.5 x 3 M10 x P1.5 x 3 collet C-44 collet / Zhang kit C-44 in the collet / Zhang kit pressure inside / hydraulic drive pneumatic / hydraulic pneumatic / hydraulic operating pressure 2-20kg / cm2 (28-286psi) 2-20kg / cm2 (28-286psi) maximum speed RPM 1600 1600 folder maximum diameter vias / barrier hole 44mm (1.73 ") 44mm (1.73") cylinder piston area 116cm2 ??(18in2) 116cm2 ??(18in2) clamping force 9150kgf @ 16kg / cm2 (20130lbf @ 229psi) 9150kgf @ 16kg / cm2 (20130lbf @ 229psi) Weight 17kg (37.4lbs) 17kg (37.4lbs)