4-40 x 1/2" Machine Screw - Flat Torx Head - T8 - Steel - Zinc - FT - UNC - USA - 100 Pk

6-32 X 1/4 Slotted Flat Head Machine Screw, Package Of 100 A straight shank fastener with external threads designed to go through a hole or nut that is pre-tapped to form a mating thread for the screw. Machine screws have threads along the entire length of the shaft.

B10-24 x 2" Machine Screw - Flat Head - Slotted - Steel - Zinc CR+3 - FT - Pkg of 100 - BBI 580463 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 are uniformly threaded with UNC thread style screws designed to be fastened into tapped holes, or used in conjunction with nuts to join two or more assemblies together. Typical applications for machine screws include fastening components of tools, appliances, machines, and electronic devices. ASME B18.3 covers the general requirements for the dimensions and performance of Carbon Steel Machine Screws. It features Invincibox, Zinc Plated, Corrosion Resistance.

Security fasteners provide an added level of security by their drive design that prevents removal with ordinary screw drivers. Maximum torque transfer & positive tool engagement means easier drive installation with less pressure & slippage. Requires matching driver bit. Flat Head screws install flush with metal surfaces or countersinks with softer materials for a clean appearance.

B8-32 x 4" Machine Screw - Flat Head - Slotted - Steel - Zinc CR+3 - FT - Pkg of 100 - BBI 580387 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.