Indented Hex Head

B1/2-13 x 1-1/4" Machine Screw - Flat Head - Slotted - Steel - Zinc CR+3 - FT - 25 Pk - BBI 580937 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.

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.

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.

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.

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.