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$ 36.78Garage Door Vertical/Curve Track and Extension Ladders Bolts & Lock Nuts, 1/4" x 3/4" Zinc Plated Flat Head Carriage Bolt with Knurled Neck (25 Sets)
- Precision-Engineered Track Solutions: Meet the 1/4 x 3/4 carriage bolts – the ultimate hardware for garage doors, industrial tracks, and agricultural machinery. Designed with a flat head carriage bolts with Knurled Neck, these zinc plated carriage bolts 1/4" x 3/4" resist rust and corrosion, ensuring longevity in humid or outdoor environments. Its function is similar to square neck carriage bolts bite into materials like steel or wood, locking firmly to prevent rotation during installation.
- Vibration-Proof Anchoring Power: The knurled neck’s diamond-shaped texture creates unmatched friction inside pre-drilled holes, stopping loosening even under extreme vibration. Whether securing vertical tracks or curved rail systems, these 1/4 x 3/4 coach bolt with ribbed neck stay anchored. When tightened, they sit flush with surfaces, eliminating protrusions that snag rollers – a game-changer for garage doors needing smooth operation.
- Industrial-Grade Strength: Forged from high-tensile alloy steel, these 1/4 inch flathead plow bolt ribbed shank bolts handle up to 400 MPa tensile strength. Perfect for plow blades, conveyor belts, or heavy-duty tracks, they withstand shear forces and dynamic loads without bending. The 1/4"-20 threads are CNC-machined for precision alignment, reducing wear on nuts and extending hardware lifespan.
- Designed for Effortless Installation: No specialized tools needed! The ultra-thin flat head slips seamlessly under track edges, while the ribbed shank grips materials during tightening. Each pack includes lock nuts compatible with 7/16" sockets, ensuring quick, wobble-free assembly. Pre-drill a clean 1/4" hole, insert the bolt, and let the square neck auto-align for foolproof security.
- Why Professionals Choose Us: 1)Anti-Corrosion Shield: Triple-layered zinc plating outperforms standard galvanization, ideal for coastal or high-moisture areas.2)Versatile Fit: Works with steel, wood, and composite tracks – a must-have for DIYers and contractors. 3)25-Pack Efficiency: Tackle multiple projects without mid-job hardware runs. Upgrade to bolts engineered for reliability, strength, and seamless performance.
| Exterior Finish | Zinc |
| Head Style | Flat |
| Manufacturer Grade | Grade 2 |
| Material | Alloy Steel |
| Thread Size | 1/4"-20 |
| Brand | Eturnloger |
| Product Type | Bolts |
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Save 10% when you buy two or more items.
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Get 5% off your next purchase.
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Enjoy free delivery on orders above $200.
Estimate delivery times: 12-26 days (International).
3-6 days (Domestic)
3-6 days (Domestic)
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30-Day Return Guarantee
Confidence-backed purchases with 30-day return support.
Confidence-backed purchases with 30-day return support.
Free return pickup available
We’ll handle returns from your doorstep at no extra cost.
SKU |
BRSROBT3O55BUCI4 |
Category |
Industrial & Scientific , Fasteners , Bolts , Carriage Bolts |
Tags |
Product Dimensions
0.8 x 0.43 x 0.43 inches; 7.37 ounces
Shipping & Delivery
At GofinchKart, we aim to deliver your order as quickly and safely as possible.
Domestic Shipping :
Orders are typically delivered within 3–6 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.