ARP 746-1250 7/16-20 Black Oxide 12-Point Bolt 1.250" UHL

The ARP 746-1250 is a high-performance 12-point bolt engineered for demanding automotive and racing applications. This fastener features 7/16-20 thread pitch with a 1.250-inch underhead length (UHL), providing precise clamping force in critical engine and drivetrain assemblies.

Key Specifications:

• Thread size: 7/16-20
• Underhead length: 1.250 inches
• Head style: 12-point (double hex) for superior wrench engagement
• Wrenching size: 1/2-inch socket or wrench
• Finish: Black oxide coating for corrosion resistance
• Material: ARP2000 or 8740 chromoly steel (typical for ARP 700-series)

ARP fasteners are manufactured to exacting tolerances using premium materials and precision heat treatment processes. The 12-point head design allows for easier installation in tight spaces with multiple wrench positions, while the black oxide finish provides both durability and a professional appearance. These bolts are designed to deliver consistent, reliable clamping force in high-stress environments where standard hardware would fail.

Note: Always follow ARP's torque specifications and lubrication recommendations for proper installation. Sold individually unless otherwise specified.