Flange/Frame Bolts Grade 8

Grade 8 flange/frame bolts combine a serrated flange head with high-strength Grade 8 steel, eliminating the need for a separate washer while providing the clamp load required for demanding structural and mechanical connections. Blue Ribbon Fastener stocks Grade 8 flange bolts in standard diameters and lengths for automotive, agricultural, and industrial assembly.

Narrow Your Results By

Usages for Grade 8 Flange/Frame Bolts

Flange/frame bolts are used where a wide bearing surface and vibration resistance are needed without adding a separate washer. Common applications include vehicle frame and chassis assembly, agricultural equipment, trailer manufacturing, and heavy machinery, where the serrated flange head resists loosening under vibration.

Grade 8 Flange/Frame Bolts for all Industries

Automotive and truck manufacturing, agricultural equipment, and industrial machinery assembly all specify Grade 8 flange bolts for their combination of high tensile strength and self-locking geometry. Blue Ribbon Fastener supplies these bolts with the consistent quality OEM and MRO buyers require.

Grade 8 Flange/Frame Bolts Features for Engineers & Buyers:

SAE Grade 8 steel for high tensile and yield strength
Serrated flange head distributes load and resists loosening
Eliminates the need for a separate flat washer
Zinc-plated finish for baseline corrosion resistance
Available in a wide range of diameters and lengths
Same-day shipping on in-stock sizes when ordered by 2:30 PM CST
Volume and repeat customer pricing available — call or request a quote