Grainger Industrial Supply is a distributor of industrial supplies and equipment. Available products include tamper proof screws in a varity of drive configurations in machine, shoulder and sheet metal screw styles. Drive styles offered include pin-in hex and torx.
Webson Fasteners, Inc. is a supplier of fastener products to the aerospace, electronic, and building industries. Products available ince tamper resistant screws as welll as tamper proof screws and self-locking screws.