APU Drill Chuck Holder,Precision Drill Chuck Holder,Keyless

Specifications
Product Name: APU drill chuck

Product model: BT40-APU
Material: high quality carburizing alloy steel, blackening and fine grinding taper tolerance grade: < AT3
Hard: 56-58 HRC
Carburizing depth: 0.8mm + 0.2mm
Maximum beat: <0.005mm=5um
Surface roughness: Ra<0.005mm
Quality: Each product are inspected durding the production.And then rendomly are selceted for inspection by quality-person.We have exported our goods to around the world and get good feebacks.

linkedIn/skype:seayacnc@hotmail.com
Company website:www.seayac.com
E-mail:phoebe@seayac.com
APU Drill Chuck Holder,Precision Drill Chuck Holder,Keyless