Auto Racing Products Chromoly Black Oxide Flat Washer - 12mm ID x 7/8" OD

SKU: BQDN_200-8500
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

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Robust Performance: Auto Racing Products 12mm ID Chromoly Black Oxide Flat Washer

Elevate the integrity of your fastening points with the Auto Racing Products 12mm ID Chromoly Black Oxide Flat Washer. Designed for special purpose applications, this washer combines the exceptional strength of chromoly steel with the protective and aesthetic benefits of a black oxide finish. It's an indispensable component for high-performance builds where precision, durability, and corrosion resistance are non-negotiable.

Engineered for Extreme Conditions

This washer boasts a substantial 0.12-inch thickness, providing superior load distribution and preventing fastener pull-through, even under the most demanding conditions. The 12mm inner diameter (ID) caters to specific metric bolt sizes, while the 0.875-inch outer diameter (OD) ensures ample contact area. The black oxide finish not only gives it a sleek, professional appearance but also offers enhanced corrosion protection, making it suitable for exposed applications where both function and form are critical.

  • Chromoly Steel Construction: Delivers outstanding strength and resistance to deformation.
  • Black Oxide Finish: Provides enhanced corrosion resistance and a stealthy look.
  • Optimal Thickness (0.12"): Ensures robust load distribution and prevents surface damage.
  • Precision Sizing: 12mm ID and 0.875" OD for specific application requirements.
  • Special Purpose Design: Ideal for high-stress, high-performance fastening.

The Advantage of Black Oxide and Chromoly

The combination of chromoly steel and a black oxide finish makes this washer a top-tier choice for discerning enthusiasts and professionals. Chromoly's inherent toughness ensures that the washer can withstand significant forces without yielding, while the black oxide treatment provides a durable, non-reflective surface that resists rust and wear. This washer is a testament to Auto Racing Products' commitment to quality, ensuring your critical connections are fortified with the best. For all your high-performance fastening needs, trust GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

Robust Performance: Auto Racing Products 12mm ID Chromoly Black Oxide Flat Washer

Elevate the integrity of your fastening points with the Auto Racing Products 12mm ID Chromoly Black Oxide Flat Washer. Designed for special purpose applications, this washer combines the exceptional strength of chromoly steel with the protective and aesthetic benefits of a black oxide finish. It's an indispensable component for high-performance builds where precision, durability, and corrosion resistance are non-negotiable.

Engineered for Extreme Conditions

This washer boasts a substantial 0.12-inch thickness, providing superior load distribution and preventing fastener pull-through, even under the most demanding conditions. The 12mm inner diameter (ID) caters to specific metric bolt sizes, while the 0.875-inch outer diameter (OD) ensures ample contact area. The black oxide finish not only gives it a sleek, professional appearance but also offers enhanced corrosion protection, making it suitable for exposed applications where both function and form are critical.

  • Chromoly Steel Construction: Delivers outstanding strength and resistance to deformation.
  • Black Oxide Finish: Provides enhanced corrosion resistance and a stealthy look.
  • Optimal Thickness (0.12"): Ensures robust load distribution and prevents surface damage.
  • Precision Sizing: 12mm ID and 0.875" OD for specific application requirements.
  • Special Purpose Design: Ideal for high-stress, high-performance fastening.

The Advantage of Black Oxide and Chromoly

The combination of chromoly steel and a black oxide finish makes this washer a top-tier choice for discerning enthusiasts and professionals. Chromoly's inherent toughness ensures that the washer can withstand significant forces without yielding, while the black oxide treatment provides a durable, non-reflective surface that resists rust and wear. This washer is a testament to Auto Racing Products' commitment to quality, ensuring your critical connections are fortified with the best. For all your high-performance fastening needs, trust GGCRACING.

Product Details

Product Description

About Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

Robust Performance: Auto Racing Products 12mm ID Chromoly Black Oxide Flat Washer

Elevate the integrity of your fastening points with the Auto Racing Products 12mm ID Chromoly Black Oxide Flat Washer. Designed for special purpose applications, this washer combines the exceptional strength of chromoly steel with the protective and aesthetic benefits of a black oxide finish. It's an indispensable component for high-performance builds where precision, durability, and corrosion resistance are non-negotiable.

Engineered for Extreme Conditions

This washer boasts a substantial 0.12-inch thickness, providing superior load distribution and preventing fastener pull-through, even under the most demanding conditions. The 12mm inner diameter (ID) caters to specific metric bolt sizes, while the 0.875-inch outer diameter (OD) ensures ample contact area. The black oxide finish not only gives it a sleek, professional appearance but also offers enhanced corrosion protection, making it suitable for exposed applications where both function and form are critical.

  • Chromoly Steel Construction: Delivers outstanding strength and resistance to deformation.
  • Black Oxide Finish: Provides enhanced corrosion resistance and a stealthy look.
  • Optimal Thickness (0.12"): Ensures robust load distribution and prevents surface damage.
  • Precision Sizing: 12mm ID and 0.875" OD for specific application requirements.
  • Special Purpose Design: Ideal for high-stress, high-performance fastening.

The Advantage of Black Oxide and Chromoly

The combination of chromoly steel and a black oxide finish makes this washer a top-tier choice for discerning enthusiasts and professionals. Chromoly's inherent toughness ensures that the washer can withstand significant forces without yielding, while the black oxide treatment provides a durable, non-reflective surface that resists rust and wear. This washer is a testament to Auto Racing Products' commitment to quality, ensuring your critical connections are fortified with the best. For all your high-performance fastening needs, trust GGCRACING.

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