Black Oxide 4140 Prehard Precision Mechanical Components Guide Holder Plate

Black Oxide 4140 Prehard Precision Mechanical Components Guide Holder Plate High precision CNC machining service, CNC turning machining, Milling machining, CNC machined parts. 1. Material: 4140 Prehard , C.R.S , Aluminum , AL6061-T6 , AL7075 , AL5083 , etc. 2. Finish: Black Oxide , Sand blasting , normalizing , anti-rust oil 3. Production equipment: CNC center , CNC lathe , CNC machine 4. Process: cutting , CNC lathe , then CNC machining. 5. Advanced workmanship, fitting tool