Big Sale 4-40 X 5/16″ Machine Screws Flat Head Phillips Drive 18/8 Stainless Steel Black Oxide (5000/Pkg.)

Specs

Material: 18/8 stainless steel (AISI 304) for superior corrosion resistance

Finish: Black oxide coating for low glare and wear resistance

Drive type: Phillips (PH)

Head style: Flat head, countersunk

Thread size: 4-40

Length: 5/16 inch

Standards: MS24693

Quantity per package: 5000 pieces

Features

Flush mounting with a countersunk flat head for a seamless exterior on panels and enclosures

18/8 stainless steel (AISI 304) provides corrosion resistance across moist conditions

Black oxide finish reduces glare and enhances wear resistance for long-term appearance

Phillips drive ensures positive engagement and reduced cam-out during installation

4-40 thread size delivers reliable engagement in light to medium duty assemblies

MS24693 form and dimensions enable interchangeable performance with mil-spec fasteners

Bulk packaging of 5000 pieces supports production runs and large assemblies

Physical

Head: flat, countersunk profile for a flush surface on metal panels, housings, and dashboards

Drive recess: Phillips cross

Material appearance: metallic with black oxide finish

Dimensions at a glance: length five sixteenths inch; thread size four by forty

Industry Used In

Electronics housings, enclosures, panels, dashboards

Control units, automotive assemblies, and industrial equipment

Appliances and consumer electronics requiring a flush exterior

Light to medium duty assemblies where corrosion resistance and low glare are beneficial