Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Carbon Steel
Surface Treatment	Zinc Plated
Strength Grade	4.8
Head Style	External Hex
Standard	GB30
Thread Type	Coarse Thread
Package Weight	25 kg
Color	Silver
Thread Direction	Right-Handed
Application	Construction and Machinery

5 reviews

Anonymous

Apr 16, 2026

Rating: 5/5

Excellent bulk value

Needed these for a deck project. The galvanization looks solid and helps prevent rust.

Anonymous

Apr 13, 2026

Rating: 4/5

Heavy shipment

Great bolts but the box was very heavy. Product quality is good though.

Anonymous

Mar 09, 2026

Rating: 5/5

Strong and reliable

Grade 4.8 is perfect for general construction. No stripped heads during installation.

Anonymous

Mar 03, 2026

Rating: 5/5

Fast delivery

Arrived earlier than expected. Packaging protected the bolts well.

Anonymous

Feb 18, 2026

Rating: 5/5

Perfect fit

Threads are clean and match standard nuts perfectly. Will buy again.

5 FAQ

Q: Is the zinc coating thick?

A: The galvanization provides standard rust resistance for indoor and outdoor use.

Q: Are these metric sizes?

A: Yes, these follow metric dimensions according to GB30 standard.

Q: Are nuts included?

A: No, this listing is for bolts only. Nuts are sold separately.

Q: What is the head size?

A: Head size varies by diameter. Please check the specific size chart.

Q: Can I use these for wood?

A: Yes, they are commonly used for wood framing and structural connections.

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