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Home / Connectors and Fasteners / Galvanized Carriage Bolt Bridge Shelf Bolt 4C5M6 Large Flat Head Semi-Round Head Square Neck Screw 8M10M12mm

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material Carbon Steel
Surface Treatment Color Zinc Plated
Thread Size M4, M5, M6, M8
Head Style Hexagon Half/Full Head
Strength Grade Class 8.8
Sales Unit By Weight (kg)
Application Automotive, Sheet Metal, Machinery
Installation Tool Rivet Nut Tool Required (Not Included)
Standard ISO Metric Thread
Package Content Rivet Nuts Only

5 reviews

A

Anonymous

Mar 18, 2026

Rating: 5/5

Good quality plating

The zinc coating looks durable. No rust after a few months outside.

A

Anonymous

Mar 11, 2026

Rating: 5/5

Strong hold

Very secure once installed. Great for thin sheet metal projects.

A

Anonymous

Mar 07, 2026

Rating: 5/5

Exactly as described

Fit my M6 bolts perfectly. Fast shipping and well packaged.

A

Anonymous

Feb 02, 2026

Rating: 4/5

Good value bulk pack

Buying by weight is economical. Some threads were slightly tight but workable.

A

Anonymous

Feb 01, 2026

Rating: 5/5

Perfect for auto repair

Used these on my car panel. The hex shape prevents spinning which is great.

5 FAQ

Q: What is the maximum grip range?

A: It depends on the specific size selected. Please refer to the size chart in the product images.

Q: Is this made of 304 stainless steel?

A: This specific SKU is Carbon Steel with Color Zinc Plating. We have stainless options available in another listing.

Q: How many pieces are in 1 kg?

A: The count varies by size. For M6, there are approximately 200-250 pieces per kg.

Q: Can I use these on aluminum sheets?

A: Yes, these are suitable for aluminum and other sheet metals within the grip range.

Q: Does this package include the installation tool?

A: No, the rivet nut tool is sold separately. This listing is for the nuts only.

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