S-97263A718 4-40 x 5/8" Plastic Round Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from nylon plastic construction, ideal for harsh or humid environments without risk of rust.
• Excellent electrical insulation properties ensure safe use in electronic assemblies, preventing short circuits.
• Wide operating temperature range from -40° to 185°F maintains integrity in varied thermal conditions.
• Full threading and 4-40 UNC coarse thread provide maximum grip and faster installation in plastic or soft materials.
• RoHS 3 compliance guarantees environmental safety and meets strict international regulatory standards.
• Slotted rounded head design allows for easy manual driving and a low-profile, snag-resistant finish.
• Class 2A thread fit ensures consistent, reliable engagement with standard UNC threaded holes.

Professional Applications & Engineering Value

This nylon plastic screw with a 4-40 UNC coarse thread and rounded slotted head is engineered to address common industrial challenges such as galvanic corrosion, electrical conductivity, and weight reduction. The fully threaded design enhances holding power in plastic housings, electronic enclosures, and lightweight assemblies, while the non-conductive material eliminates the risk of current leakage. Its ability to perform across a broad temperature range makes it suitable for outdoor equipment, automotive interiors, and consumer electronics, where durability and safety are paramount. The slotted drive facilitates quick manual adjustments, reducing assembly time without compromising on corrosion resistance.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. It is fully threaded with a right-hand thread direction, head diameter of 0.211", and length of 5/8". The product is manufactured in compliance with RoHS 3 (2015/863/EU), ensuring it is free from hazardous substances for use in global markets.