... pad lock. 3.R&D pad lock Description:1. Name: Carbon steel lost wax casting pad lock 2. Technology: lost wax ... casting 3. Material Grade: Alloy steel 8620 4. Standard: ASTM, JIS,DIN,BS,NF ... . Certification: ISO9001:2000 ItemDescriptionProduct Class:Investment castingMaterial: Copper, Stainless steel, Carbon steel, Alloy steel such as 304, 316, 25#, 45#, 40Cr ...