Clamping Holder SK ER Milling Chuck

Basic Info Model No.: SK30-ER20-100L Application: Metal Material: 20CrMnTi HARDNESS: 58±2HRC Run Out: 0.005mm 0.008mm Additional Infoductivity: 20000pcs/month Brand: Chongde Transportation: Ocean,Air, E-package Place of Origin: Qufu Shandong Supply Ability: 20000pcs/month Certificate: ISO9001:2016 HS Code: HS Code: 8466100000 Port: Qingdao,Shenzhen Product Description SK30-ER20-100 Chuck Holder Precision SK Collet Chuck, ER collet, DIN69871, JT, DAT or DV collet clamping tool holder of various sizes, high speed and high precision machining. Mechanical spindle and cutting tools and other accessories. High Precision SK shank Tool Holder, balanced G6.3 or G2.5 For choose. Attaching importance to the reserch and products, we employs many experienced and skilled technicians, so that precision machining can be made according to samples or drawings. Material: Allyed case hardened steel, black-finished and precisely grinded. Taper tolerance:      Hardness : HRC 52-58   Carbon depth: 08mm±0.2mm   Max run out : <0.003mm Suface Roughness: Ra<0.005mm   Cooling AD+B type can be made by request  When order , pls specify balancing G6.3/G2.5 Shank body standard: din69871   Form A: without cooling supply.  Form AD: central cooling supply.  Form AD+B: central cooling and internal collant through the collar. Brief introduction We are specialized in researching,producing and developing many kinds of collets,CNC Machine Tool Holder, ER nuts,ER spanners,machine vises,fasteners etc. With high quality and full varieties. Products advantages 1.A wide range of modular flexibility. 2.High stability and precision of connection.  3.Minimize tool inventory.  4.Reduce the clamping time.  Features 1.High torque capacity.  2.High bending strength.  3.Fast tool change and automatic tool change. 4.Advanced nozzle technology ,even in the low pressure can ensure processing safety.  5.Internal coolant channel guarantees high pressure coolant from the machine directly to the cutting edge.  6.Good balance and concentricity.