Radial extrusion thread-forming screw
Radius gimlet point anti-stripout screw
Radius gimlet point anti-stripout screw
Ratchet driven threaded fasteners
Recessed screw
Recessed screw and a driver bit engageable therewith
Recessed screw head
Reduced shank external flow passage bolt with integral pilot
Reduced-friction screw
Reduced-friction thread forming or thread cutting screw
Reliable bolt and clip restrainer assembly
Relief screw
Removable fastener with elastic linking means
Removable ice screw securing device equipped with a quickdraw
Retaining element for multipart connection units such as screw c
Reverse barb system for screws and nails
Ribbed fastener
Roof anchor and stress plate assembly
Roofing fastener
Rotating quick release mechanism for securing parts to bicycles