Indented Hex Head

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.

B10-24 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.

B3/8-16 x 4-1/2" Machine Screw - Flat Head - Phillips - Steel - Zinc CR+3 - FT - 100 Pk - BBI 586795 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.

B10-32 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.