ARP 771-1011 M8 x 1.25 x 70mm Stainless Steel 12-Point Bolts

The ARP 771-1011 is a premium 5-piece metric bolt kit featuring M8 x 1.25 thread pitch with 70mm under head length (UHL). These high-performance fasteners are manufactured from ARP 300 stainless steel and feature a 12-point head design for superior wrench engagement and ease of installation.

Key Specifications:

• Thread Size: M8 x 1.25mm pitch
• Under Head Length (UHL): 70mm (approximately 2.76 inches)
• Thread Length: 22mm
• Socket Size: 10mm 12-point
• Material: ARP 300 stainless steel
• Tensile Strength: Rated at 170,000 psi
• Quantity: 5 bolts per package with washers included

Performance Benefits:

• Superior strength providing substantial margin of safety over Grade 8 hardware
• Exceptional corrosion resistance with polished stainless steel finish
• 12-point head design allows for precise torque application and easier installation in tight spaces
• Maintenance-free design ideal for automotive, marine, boat, trailer, and RV applications
• Manufactured to aerospace quality standards by ARP

ARP has been the world leader in high-performance fastener engineering since 1968. These bulk metric bolts provide the same quality and reliability trusted by professional engine builders and racers worldwide, now available for general-purpose applications where premium quality hardware is required.