Summit Racing™ Bulk Bolts

4.88 out of 5 stars 8 Customer Reviews

Keep extra hardware on hand with our Summit Racing™ bulk bolts. The steel, zinc plated hex head bolts are grade 5 (SAE) or 8.8 (metric) rated--perfect for many automotive applications. They come available in a wide range of sizes, so we're sure to have the hardware you need.

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Results 1 - 19 of 19

Summit Racing™ Bulk Bolts SUM-HK-31C100

Bolts, Steel, Zinc, Hex, 5/16-18 in. x 1.00 in., Grade 5, Set of 20

Part Number: SUM-HK-31C100

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-37C125

Bolts, Steel, Zinc, Hex, 3/8-16 in. x 1.25 in., Grade 5, Set of 10

Part Number: SUM-HK-37C125

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-M6C25

Bolts, Steel, Zinc, Hex, 6mm x 1.0, Grade 8.8, 25mm Underhead Length, Set of 25

Part Number: SUM-HK-M6C25

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-37C150

Bolts, Steel, Zinc, Hex, 3/8-16 in. x 1.50 in., Grade 5, Set of 10

Part Number: SUM-HK-37C150

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-37C75

Bolts, Steel, Zinc, Hex, 3/8-16 in. x 0.75 in., Grade 5, Set of 10

Part Number: SUM-HK-37C75

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-56511274

Summit Racing™ Bulk Bolts SUM-56511274

Bolts, Steel, Chrome, Hex Head, 5/16 in.-18, 0.750 in. Length, Set of 10

Part Number: SUM-56511274

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-31C50

Bolts, Steel, Zinc, Hex, 5/16-18 in. x 0.50 in., Grade 5, Set of 20

Part Number: SUM-HK-31C50

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-25C75

Bolts, Steel, Zinc, Hex, 1/4-20 in. x 0.75 in., Grade 5, Set of 25

Part Number: SUM-HK-25C75

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-M6C12

Bolts, Steel, Zinc, Hex, 6mm x 1.0, Grade 8.8, 12mm Underhead Length, Set of 25

Part Number: SUM-HK-M6C12

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-M10C30

Bolts, Steel, Zinc, Hex, 10mm x 1.5, Grade 8.8, 30mm Underhead Length, Set of 10

Part Number: SUM-HK-M10C30

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-25C100

Bolts, Steel, Zinc, Hex, 1/4-20 in. x 1.00 in., Grade 5, Set of 25

Part Number: SUM-HK-25C100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-M10C50

Bolts, Steel, Zinc, Hex, 10mm x 1.5, Grade 8.8, 50mm Underhead Length, Set of 10

Part Number: SUM-HK-M10C50

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-M8C25

Bolts, Steel, Zinc, Hex, 8mm x 1.25, Grade 8.8, 25mm Underhead Length, Set of 20

Part Number: SUM-HK-M8C25

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-M6C20

Bolts, Steel, Zinc, Hex, 6mm x 1.0, Grade 8.8, 20mm Underhead Length, Set of 25

Part Number: SUM-HK-M6C20

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-M8C12

Bolts, Steel, Zinc, Hex, 8mm x 1.25, Grade 8.8, 12mm Underhead Length, Set of 20

Part Number: SUM-HK-M8C12

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-37C200

Bolts, Steel, Zinc, Hex, 3/8-16 in. x 2.00 in., Grade 5, Set of 10

Part Number: SUM-HK-37C200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-25C50

Bolts, Steel, Zinc, Hex, 1/4-20 in. x 0.50 in., Grade 5, Set of 25

Part Number: SUM-HK-25C50

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-M10C20

Bolts, Steel, Zinc, Hex, 10mm x 1.5, Grade 8.8, 20mm Underhead Length, Set of 10

Part Number: SUM-HK-M10C20

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Bulk Bolts SUM-HK-31C150

Bolts, Steel, Zinc, Hex, 5/16-18 in. x 1.50 in., Grade 5, Set of 20

Part Number: SUM-HK-31C150

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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