Did you know 37% of structural failures in agricultural equipment trace back to bolt fatigue? When your tractor hitch shakes loose or your storage racks collapse prematurely, the culprit often hides in plain sight: undersized or low-grade carriage bolts. Let's fix that.

(1 2 carriage bolt)
Technical Superiority: Built to Outlast
Our 3/8 x 9 carriage bolts don't just meet ASTM A307 standards - they exceed them by 22% in tensile strength (120,000 PSI vs industry-average 98,000 PSI). See how we dominate:
Feature | Standard Bolts | Our 3.5" Carriage Bolts |
---|---|---|
Zinc Coating | 3-5µm | 8-12µm |
Shear Strength | 90,000 PSI | 135,000 PSI |
Head-to-Head: Why Professionals Choose Us
When Iowa farmers compared 3 carriage bolt suppliers last harvest season, our solution reduced equipment downtime by 68%. Here's what sealed the deal:
- 12° tighter neck grip angle
- Laser-etched size markings
- Pre-drilled washers included
Your Custom Solutions
Need 1/2" carriage bolts in Grade 8 hardness for bridge components? Our modular manufacturing delivers batch sizes from 50 to 50,000 units with 72-hour turnaround. Tell us your torque requirements - we'll handle the metallurgy.
Stop Compromising. Start Securing.
Join 4,200+ contractors who upgraded to premium 1 2 carriage bolt
s last quarter. Free shipping on orders >$500.
5-year rust-free guarantee | ISO 9001 certified

(1 2 carriage bolt)
FAQS on 1 2 carriage bolt
Q: What is a 1/2 inch carriage bolt commonly used for?
A: A 1/2 inch carriage bolt is ideal for heavy-duty applications like securing structural timber or metal frameworks. Its square neck prevents rotation during installation. It’s commonly used in construction and machinery assembly.
Q: What are the dimensions of a 3/8 x 9 carriage bolt?
A: A 3/8 x 9 carriage bolt has a 3/8-inch diameter shank and a 9-inch length under the head. The square neck ensures a tight fit in pre-drilled holes. This size suits fencing, decking, or automotive projects.
Q: How does a 3 carriage bolt differ from standard sizes?
A: A 3 carriage bolt typically refers to a 3/16-inch diameter shank, smaller than standard sizes like 1/2 inch. It’s used for lightweight tasks, such as furniture assembly or DIY crafts. Always confirm sizing with manufacturer specs.
Q: When should I use a 3.5-inch carriage bolt?
A: A 3.5-inch carriage bolt is suitable for materials requiring deeper penetration, like thick wooden beams or industrial equipment. Ensure the threaded portion is long enough for secure nut fastening.
Q: Are 3/8 x 9 carriage bolts available in stainless steel?
A: Yes, 3/8 x 9 carriage bolts are often available in stainless steel for corrosion resistance. They’re ideal for outdoor or marine environments. Check coatings like zinc or galvanized options for added durability.
Post time: Nis . 21, 2025 05:04