Inquiry (采购产品): alloy steel keystock We're in need of a length of 5/16" x 3/8" alloy steel keystock. We repaire a 10,000 lb. capacity winch and used Mak-A-Key keystock, which sheared within a few uses of the winch by our customer. We need the good stuff. Here are the details of what we used: Zinc-Plated Steel— Zinc plated for corrosion resistance. All are made from C1018 steel.Tensile strength is 76,000 psi. Rockwell hardness is B82. **** Hidden Message ***** Jim Zak 820 Thomas Ave. Leesburg, FL 34748 USA Company: Central Hydraulics Title: Mgr. Phone: 352-323-8008 Fax: 352-323-8533 E-mail: centhdleew3@aol.com **** Hidden Message ***** centhdleew3@aol.com