S-91465A242 3/4"-10 x 2 1/2" ASTM A307 Square Head Screws

Key Features & Benefits at a Glance

• Superior torque transmission with external square drive design for secure installation in high-torque applications
• Enhanced durability through ASTM Grade A steel construction with Rockwell B69 hardness rating
• Reliable load-bearing capability with 60,000 PSI tensile strength for demanding industrial environments
• Easy assembly with coarse UNC threading and Class 2A fit ensuring smooth engagement and disengagement
• Versatile fastening solutions with partial threading allowing for both clamping and alignment functions
• Environmental compliance meeting RoHS 3 standards for safe use in regulated industries
• Standardized compatibility with inch system measurements ensuring interchangeability across industrial equipment

Professional Applications & Engineering Value

This 3/4"-10 UNC Square Head Screw delivers exceptional engineering value in heavy machinery, structural steel connections, and industrial equipment assembly. The ASTM Grade A steel construction provides optimal strength-to-weight ratio while the external square drive prevents cam-out during high-torque applications. The coarse UNC threading ensures rapid installation in structural steel and construction applications where vibration resistance is critical. With partial threading, this fastener offers precise clamping force control while the Class 2A thread fit maintains consistent performance in temperature-variable environments. Engineered to meet ASTM A307 specifications, these screws solve common industrial challenges including corrosion resistance, mechanical stress distribution, and long-term reliability in demanding conditions.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Unified Standard Class 2A thread tolerances ensuring consistent fit and performance. The fastener complies with ASTM A307 material and manufacturing specifications, featuring 3/4"-10 UNC coarse thread configuration with right-hand orientation. Meets RoHS 3 (2015/863/EU) environmental compliance standards and maintains 60,000 PSI tensile strength with Rockwell B69 hardness rating. The inch system measurements guarantee compatibility with North American industrial standards and equipment specifications.