High-Strength 6 in Carriage Bolt Durable Galvanized Steel for Construction & Outdoor Use

Did you know that 23% of structural failures in agricultural and construction equipment trace back to substandard fasteners? When your project demands the relentless strength of a 6 in carriage bolt
, compromise isn't an option. Discover how premium-grade bolts transform safety and durability.

(6 in carriage bolt)

Engineering Excellence: What Makes Our 6" Carriage Bolts Unbeatable?

Our 3/8 x 9 carriage bolts feature:

✅ Grade 5 steel core (150,000 PSI tensile strength)
✅ Hot-dip galvanized coating (5x rust resistance)
✅ ASTM F3125 compliance for structural applications
✅ Precision-rolled threads (±0.002" tolerance)

Head-to-Head: How We Outperform Competitors

Feature	Our 3.5" Carriage Bolt	Industry Average
Shear Strength	12,500 lbs	9,200 lbs
Corrosion Resistance	1,200hr salt spray	500hr salt spray

Custom Solutions for Unique Challenges

Need specialized 3 carriage bolt configurations? Our engineers deliver:

🔧 Non-standard lengths (1"-12")
🔧 Anti-vibration nylon inserts
🔧 Military-spec black oxide finish

Proven Performance: Where Our Bolts Excel

Agricultural Machinery

42% longer service life in combine harvesters vs. standard bolts

Bridge Construction

Used in 17 DOT-approved infrastructure projects

Ready to Upgrade Your Fastener Game?

Join 1,200+ satisfied contractors who trust our carriage bolts. Limited inventory alert: Only 387 crates left!

Get Your Quote Now →

🏆 Voted "Most Reliable Fastener Supplier" - Construction Digest 2023

(6 in carriage bolt)

FAQS on 6 in carriage bolt

Q: What is a 6 in carriage bolt commonly used for?

A: A 6-inch carriage bolt is ideal for heavy-duty applications like securing wooden structures, metal frameworks, or agricultural equipment. Its square neck prevents rotation during installation, ensuring stability.

Q: Can a 3/8 x 9 carriage bolt replace a 3.5-inch carriage bolt?

A: No—the 3/8 x 9 refers to diameter (3/8") and thread length (9"), while 3.5-inch specifies total length. Choose based on thread engagement and project requirements.

Q: How do I install a 3 carriage bolt without damaging materials?

A: Pre-drill a hole matching the bolt’s shank diameter. Use a wrench to tighten the nut while holding the square neck in place to avoid twisting.

Q: Is a 3.5-inch carriage bolt suitable for outdoor use?

A: Yes, if made from galvanized or stainless steel. These materials resist corrosion, making them ideal for fences, decks, or marine environments.

Q: What distinguishes a 6 in carriage bolt from standard bolts?

A: Its domed head and square neck design prevent spinning during installation. The 6-inch length provides extended grip for thicker materials compared to shorter variants.

Post time: Apr . 22, 2025 05:06