#4-40 X 1/2" Machine Screws | Indented Hex Head | Slotted Drive | 18/8 Stainless Steel (5000/Pkg.)

Mutual ScrewSKU: 0408MSW188KC

Price:
Sale price$169.28 Regular price$212.37per 5000( $0.03 each)
Pieces 5000
Measurement type Inch
Thread size #4-40
Diameter 4
Length 1/2
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Slotted
Head style Indented Hex
Threads per inch 40
Thread style Fully Threaded
Weight 8.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Machine Screws Slotted Indented Hex 18/8 Stainless 4/40 x 1/2 are ideal for precise, secure assemblies in metal-to-metal connections. Crafted from 18/8 stainless steel, these screws deliver excellent corrosion resistance and dependable strength for demanding environments.

Designed for slotted drive applications with an indented hex head, these screws combine straightforward installation with a secure seating in a wide range of materials. The 4-40 thread size is a common choice for small- to mid-sized fastenings, and the 1/2 inch length provides versatility across various thicknesses.

Specifications

  • Material: 18/8 stainless steel (304)
  • Head type: Slotted drive with indented hex features
  • Drive style: Slotted
  • Thread size: 4-40
  • Length: 1/2 inch
  • Finish: Stainless steel corrosion resistance

Key benefits

  • Corrosion-resistant performance in damp or outdoor environments
  • Strong, durable stainless steel for long service life
  • Easy installation with a standard slotted screwdriver
  • Versatile for electronics, machinery, cabinetry, and minor structural fixtures

Applications include electronics enclosures, automotive assemblies, appliance hardware, and general metal fastening where a compact, reliable screw is required. For best results, pair with compatible nuts or tapped holes and ensure threads are clean before installation.

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800-222-0324

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