Indented Hex Head

B1/4-20 x 3" Machine Screw - Flat Head - Phillips - Steel - Zinc CR+3 - FT - Pkg of 100 - BBI 586679 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.

B10-24 x 3-1/2" Machine Screw - Flat Head - Slotted - Steel - Zinc CR+3 - FT - 100 Pk - BBI 580483 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.

Machine Screws feature straight shank fasteners with external threads designed to go through a hole or nut that is pre-tapped to form a mating thread for the screw. Fasteners are durably constructed of steel for long lasting reliability and strength.

B10-32 x 1-1/4" Machine Screw - Truss Head - Slotted - Steel - Zinc CR+3 - FT - 100 Pk - BBI 584438 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.

B5/16-18 x 5-1/2" Machine Screw - Flat Head - Slotted - Steel - Zinc CR+3 - FT - 100 Pk - BBI 580792 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.