Profile: West Special Fasteners manufactures stainless steel and nickel alloy special fasteners. Products that can be manufactured in-house include hexagon head bolts, socket head capscrews, studs, hexagon nuts, socket countersunk screws, cup square bolts, socket setscrews and other specialized fasteners. Other products include washers, cup square bolts, fitted bolts, U-bolts, slotted countersunk screws, manway studs, bobbins, connectors , flange head and 12-point head bolts, square bolts and J-bolts.