#4 x 3/8 #3HD Phillips Pan High Low Screw Fully Threaded Black Oxide - Pkg of 10000

Security Sheet Metal Screws provide an added level of security with a drive design that prevents removal with ordinary screw drivers. Maximum torque transfer & positive tool engagement means easier drive installation with less pressure & slippage. Offers a high degree of security & requires matching driver bit. Button Head screws are typically used for general purposes with a lower crown & shallower recess than round head screws.

One-Piece Clamping Couplings Recessed Screw CC-Series, Climax Metal, 1-3/8" bore, 2-3/8" outside diameter. Black Oxide Plated Steel One-Piece Clamping Coupling - Recessed Screw Heads. Recessed Screw Head provides an outside surface free of major projections for safety. Does not mar the shaft.

2-56 X 1/4 MS51957, NAS-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR. Pan head screws are a common style that can substituted in most applications for round, truss or binding heads.

10X3 Phillips Bugle Head Course Thread Sharp Point Deck Screw Dacrotized. Bugle head screws are commonly used for drywall because it distributes bearing stress over a wider area than a flat head.

Ground Screws feature a leader point for quick installation and are used to ground wires in electrical junction boxes. They can also be used with pigtails and are plated green for identification purposes. Special Features: Green For Quick Identification, Thread Forming Point Material : Carbon Steel For Use With: Grounds Pigtails or Wire