... part1.Material:AISI4140,4142,or4340 Alloy, or other material also can be available.2.Craft:Part cutting, CNC machining, drilling and ... , Blacked, other coating also can use as per customer's requirement.4.various size can be available.the parts can be manufacture according to your ... steel and copperDrawings,1.It is better you can offer drawings 2.We can do drawings according to your needsPayment term,1 ...