Recessed head screw
Recessed head screw
Recessed screw
Recessed screw and a driver bit engageable therewith
Recessed screw having rounded re-entrant surfaces
Recessed screw heads and drivers
Rectangular panel fastener
Reduced friction screw
Rehabilitation of enlarged spike holes in rail fastenings
Reinforced ear structure for clamps
Reinforced wood floor sections
Reinforcing bar coupling device
Reinforcing member for interfitting channels
Reinforcing-bar engagement device
Releasable clip
Releasable connector apparatus
Releasable corner connection device for hollow sections
Releasable fastener assembly for preferred use in a vehicle
Releasable hook means for securing log loads
Releasable lockable joint apparatus