Fastener having multiple lobed thread
Fastener having primary and secondary threads
Fastener having primary and secondary threads
Fastener having recess useable with multiple drivers and...
Fastener having recessed, non-circular head, and fastener-drivin
Fastener head with internal recess having a radial slot configur
Fastener screw having improved installation and self-locking cha
Fastener screw thread and pilot to avoid cross threading
Fastener screw with spacer for installing gutters
Fastener shank crossection utilizing non-circular constant...
Fastener structure
Fastener system and method of manufacture thereof
Fastener system for male and female threaded members
Fastener with aligning lead thread
Fastener with anti-cross-threading point and method of assembly
Fastener with attached pivotable handle
Fastener with improved torque transfer surfaces
Fastener with multilobular internal recess and tool entry ramps
Fastener with soft tip
Fasteners with improved retaining effect