Premium 4-40 X 1/2″ Machine Screws Indented Hex Washer Head 18/8 Stainless Steel (5000/Pkg.)

Experience durable, corrosion‑resistant fastening with our bulk [5000 BULK] Stainless Steel Machine Screws. These unslotted indented hex washer screws are ideal for clean, recessed mounting in a variety of applications. Made from 18/8 stainless steel, they resist rust and maintain strength in challenging environments. This bulk package contains 5,000 screws in the 4-40 x 1/2″ size, perfect for large projects, production lines, and stocking up for ongoing repair work.

Key features

Size and drive: 4-40 thread, 1/2″ length with an unslotted indented hex washer head for a neat, low-profile finish; internal hex drive for secure tightening.

Material and finish: 18/8 stainless steel (equivalent to 304) for excellent corrosion resistance and durability.

Bulk quantity: 5,000 screws per bulk pack for economical stocking and fast replenishment.

Applications: Ideal for electronics enclosures, machine assemblies, cabinetry, furniture, doors, and general fastening where a flush, tamper-resistant head is preferred.

Specifications

Thread: 4-40

Length: 1/2 inch

Head style: Indented hex washer (unslotted)

Material: 18/8 stainless steel

Finish: Bright/satin

Quantity: 5,000 per bulk pack