S-90277A144 6-32 x 1/4" ASME B18.6.3 Steel Binding Head Slotted Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction, ideal for industrial environments
• Superior holding power from 60,000 psi tensile strength and Rockwell B69 hardness for reliable fastening
• Quick and easy installation with coarse UNC threads and Class 2A fit, reducing assembly time
• Secure binding head design with wide profile and slotted drive for stable, flush mounting
• Full threading along 1/4" length ensures maximum grip and uniform load distribution
• Compliance with ASME B18.6.3 standards guarantees dimensional accuracy and interchangeability
• Environmentally safe with RoHS 3 and REACH compliance, meeting global regulatory requirements

Professional Applications & Engineering Value

This 6-32 UNC coarse thread screw in zinc-plated steel is engineered to address common industrial challenges like vibration loosening and corrosion. The rounded binding head with a wide profile distributes pressure evenly, preventing surface damage in sensitive assemblies, while the slotted drive allows for straightforward manual or automated installation. Fully threaded and made from high-strength material, it provides consistent performance in machine screws applications, electronics, and machinery where right-hand thread and precise Class 2A thread fit are critical for maintaining integrity under stress, reducing maintenance needs and downtime.

Specification Summary & Compliance

This screw adheres to ASME B18.6.3 specifications, ensuring precise dimensions including a thread size of 6-32 UNC with Class 2A thread fit for reliable engagement. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free from hazardous substances, and is manufactured with a tensile strength of 60,000 psi and Rockwell B69 hardness for consistent quality in industrial use.