1/4 x 4 Lag Screw This RFQ was sourced on www.MFG.com in USA for Hex Lag Screws Buyer is in search of a 1/4 x 4 Lag Screw 18 - 8 SS. Buyer Information Industry Consumer Products City/Region Rochester, New York Country USA RFQ RFQ Number 422754 Material Laiton Technical Specifications Category Hex Lag Screws Dimensions The following suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) provide manufacturing services and are members of the MFG.com community. For more information visit http://www.mfg.com. MFG.com performs a 5-point inspection on all engineered parts and RFQs to ensure quality and enhance your quoting experience Hex Lag Screws: A hex lag screw is a heavy woodscrew with a hexagonal head that is driven in with a wrench.