aluminum for machining: 6061/7075/2024 T651 Compitive price, fast delivery, contract-concerned and ... Material stainless steel ,cold work steel ,Spring steel , martensitic steel,aluminum ,brass, bronze,copper, according to customer request7)Products : precision ... Specifications of machining parts: (1) Material :Al 6061, 6063, 2024, 7075,(2).High Tolerance :0.01mm(3).Certification :ISO9001(4).High ...