Fillister Head

4-40X5/16 Phillips Pan Machine Screw Fully Threaded Zinc. Machine Screws are designed to go through a hole or nut that is pre-tapped to form a mating thread for that screw. Pan head screws are a common style that can substituted in most applications for round, truss or binding heads.

4-40X7/16 Phillips Truss Machine Screw Fully Threaded 18 8 Stainless Steel. Machine Screws are designed to go through a hole or nut that is pre-tapped to form a mating thread for that screw. Truss head screws are weaker than pan or round heads but preferred in applications where minimal clearance exists above the head. Modified truss heads offer low clearance and an extra large bearing surface. Commonly used to attach metal lathe to metal studs.

B1/4-20 x 2" Machine Screw - Round Head - Phillips - Steel - Zinc CR+3 - FT - Pkg of 100 - BBI 588663 Machine Screws are designed to go through a hole or nut that is pre-tapped to form a mating thread for that screw. Round head screws are sometimes perferred over a pan head for its smooth surface and appearance.

4-40X1/4 Phillips Oval Head Machine Screw Fully Threaded Black Oxide. Machine Screws are designed to go through a hole or nut that is pre-tapped to form a mating thread for that screw. Oval head screws are preferred over a flat head when a more decorative look is desired or when fastening onto a conical surface.

B6-32 x 4" Machine Screw - Flat Head - Slotted - Steel - Zinc CR+3 - FT - Pkg of 100 - BBI 580287 Machine Screws are designed to go through a hole or nut that is pre-tapped to form a mating thread for that screw. Flat head screws are used when protrusion of the fastener above the mating surface is unacceptable.