Indented Hex Head

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.

B5/16-18 x 3/4" Machine Screw - Flat Head - Phillips - Steel - Zinc CR+3 - FT - 100 Pk - BBI 586730 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 1-3/4" Machine Screw - Flat Head - Phillips - Steel - Zinc CR+3 - FT - 100 Pk - BBI 586455 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 4" Machine Screw - Oval Head - Phillips - 18-8 Stainless Steel - FT - UNC - Pkg of 100 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.

B8-32 x 1-1/2" Machine Screw - Round Head - Phillips - Steel - Zinc CR+3 - FT - 100 Pk - BBI 588347 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.