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Home / Connectors and Fasteners / 304 Stainless Steel External Hex Through-Wall Screw and Nut Assortment Kit with Extended Studs and Double-Ended Threaded Rods
Connectors and Fasteners

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material 304 Stainless Steel
Thread Standard Metric (ISO)
Size Range M3, M4, M5, M6, M8, M10, M12, M16, M20
Head Style Hexagon Head
Drive Type External Hex
Strength Grade A2-70
Finish Plain / Polished
Package Includes Bolts, Nuts, and Flat Washers
Corrosion Resistance High (Suitable for Outdoor)
Country of Origin China

5 reviews

A

Anonymous

Apr 20, 2026

Rating: 3/5

Missing some nuts

The bolts are fine, but my box was short two M8 nuts. Support sent replacements.

A

Anonymous

Mar 30, 2026

Rating: 5/5

Great assortment

Having the range from M3 to M20 in one kit is very convenient for my workshop.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Perfect for outdoor furniture

Used these to assemble a patio set. No rust after a full season of rain.

A

Anonymous

Mar 05, 2026

Rating: 5/5

Strong and durable

Used for a structural repair. Feel very confident in the strength of these bolts.

A

Anonymous

Feb 16, 2026

Rating: 4/5

Good quality, slow shipping

The bolts are solid steel and threads are clean. Shipping took a bit longer than expected.

5 FAQ

Q: What is the thread pitch for M10?

A: The M10 bolts feature a standard coarse thread pitch of 1.5mm.

Q: Can I return unused sizes?

A: Yes, unopened kits can be returned within 30 days of purchase.

Q: Does this kit include washers?

A: Yes, each bolt size comes with matching nuts and flat washers.

Q: Are these bolts magnetic?

A: 304 stainless steel is generally non-magnetic or slightly magnetic depending on processing.

Q: Is this suitable for marine environments?

A: 304 stainless is good for most outdoor use, but 316 is recommended for direct saltwater exposure.

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