Grade 8 Hex Flange (Frame) Bolt - Zinc Phosphate & Oil

Name: Grade 8 Hex Flange (Frame) Bolt - Zinc Phosphate & Oil
Brand: Fast Flange
SKU: F11101
Price: 17.4 USD
Availability: InStock

$17.40

1/4″-20″x1/2″ Grade 8 Hex Flange (Frame) Bolt Full Thread Zinc Phosphate & Oil - SINGLE PACK

Pack Quantity: 100
Carton Quantity: 2700

Weight Each: 0.01476 lb
Weight /Pack: 1.48 lb
Weight /Carton: 39.85lb lb

Threads: FULL
Diameter: 0.25″

Grade 8 non-serrated flange (frame) bolts are commonly used in applications where a wide bearing surface is needed to distribute the load and prevent damage to the connected materials.

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Size: 1/4-20x1/2

1/4-20x1/2

1/4-20x3/4

1/4-20x1

1/4-20x1-1/2

1/4-20x2

5/16-18x3/4

5/16-18x1

5/16-18x1-1/4

5/16-18x1-1/2

5/16-18x1-3/4

3/8-16x3/4

3/8-16x1

3/8-16x1-1/4

3/8-16x1-1/2

3/8-16x2

1/2-13x1

1/2-13x1-1/2

1/2-13x1-3/4

1/2-13x2

1/2-13x2-1/2

1/2-13x3

5/8-11x1-1/2

5/8-11x2

5/8-11x2-1/2

5/8-11x3

5/8-11x3-1/2

Quantity: Pack

Pack

Carton

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SKU:F11101

Availability: In stock Pre order Out of stock

Categories:

Best Sellers, Flange Bolt

Tags:

Grade 8, Non-Serrated, Zinc Phosphate & Oil

Size: 1/4-20x1/2, 1/4-20x3/4, 1/4-20x1, 1/4-20x1-1/2, 1/4-20x2, 5/16-18x3/4, 5/16-18x1, 5/16-18x1-1/4, 5/16-18x1-1/2, 5/16-18x1-3/4, 3/8-16x3/4, 3/8-16x1, 3/8-16x1-1/4, 3/8-16x1-1/2, 3/8-16x2, 1/2-13x1, 1/2-13x1-1/2, 1/2-13x1-3/4, 1/2-13x2, 1/2-13x2-1/2, 1/2-13x3, 5/8-11x1-1/2, 5/8-11x2, 5/8-11x2-1/2, 5/8-11x3, 5/8-11x3-1/2

Quantity: Pack, Carton

Description
Reviews
Spec Sheet

Description

Grade 8 non-serrated flange (frame) bolts are commonly used in applications where a wide bearing surface is needed to distribute the load and prevent damage to the connected materials. Some common applications include:

Automotive Industry – Used in engine assemblies, transmission systems, and exhaust systems due to their ability to resist loosening from vibration.
Construction and Structural Engineering – Securing steel frameworks, bridges, and heavy equipment.
Plumbing and Piping – Used to fasten flanges in pipelines, ensuring secure connections in water, gas, and chemical systems.
Heavy Machinery and Equipment – Common in industrial machinery and agricultural equipment for high-strength fastening.
Aerospace Industry – Used in aircraft assembly where vibration resistance is crucial.
Electrical and Power Plants – Fastening components in turbines, generators, and other electrical equipment.

Their built-in washer design helps distribute pressure, making them ideal for high-stress and high-vibration environments. Coated in zinc phosphate and oil to withstand 72 hours until the appearance of red rust.

Non-Serrated
Finish: Zinc Phosphate & Oil
Dimensional Spec: IFI111
Material Per: SAE J429
Plating Per: ASTM F1137 Grade D
HTS Code: 7318.15.80.69

RoHS Compliant: ✔
REACH Compliant: ✔
Prop 65 Compliant: ✔
TSCA Compliant: ✔
Conflict Mineral Free: ✔
PFAS Free: ✔

72 Hours to Red Rust

Reviews

Great quality and super fast shipping

Top quality bolts and they arrived quick. Will definitely be a repeat customer

Satisfied customer

I recently purchased the Grade 8 Hex Flange Bolt with Zinc Phosphate & Oil finish from Fast Flange, and I’m really impressed with its quality. The bolt is made from high-strength Grade 8 steel, which gives me confidence in its durability for heavy-duty projects. The zinc phosphate and oil coating is a nice touch—it not only looks sleek but also seems like it will hold up well against rust, which is a big plus for my outdoor applications. The flange design is super practical, distributing the load evenly and eliminating the need for an extra washer, which saved me time during assembly. It feels solid and reliable, exactly what I expect from a Grade 8 fastener. Shipping was fast, and the pricing was competitive. I’d definitely recommend this bolt to anyone needing a strong, corrosion-resistant option.