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.

B12-24 x 3/8" Machine Screw - Flat Head - Phillips - Steel - Zinc CR+3 - FT - Pkg of 100 - BBI 586517 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.

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.

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.