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3/8-16 x 4 Inch Carriage Bolt Kit, 304 Stainless Steel (18-8) with Hex Nuts & Flat Washers - 6 Sets, Round Head Square Neck, Full Thread Coverage by Glvaner
✅ In stock
⭐ Lowest price we've tracked
📉 Price recently dropped
A
Grade
Analysis Confidence
90%
Price verified Sep 24, 2026 6:12 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
🔥 Great Deal- 🔥Verdict: Great Deal. Strong buy. Price is significantly below its historical average.
- 💰At 16% off its standard going rate, this offer delivers clear value for the money.
- 🏷️A 17% cut from the official retail price adds further appeal.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
18.23/28
Recent Value
16.33/22
Market Standing
18.86/20
Deal Strength
20/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
GVN Online
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Ready to Use – Save Time & Effort: This complete 6-piece set includes 6 precisely matched 3/8-16 x 4" Carriage Bolts, 6 Hex Nuts, and 6 Flat Washers; No more separate purchases or surprise missing parts—get everything you need to start and finish your project efficiently
✓Engineered from Grade A2-70 304 (18-8) Stainless Steel, these fasteners deliver significantly greater corrosion resistance and strength compared to zinc-plated or lower-grade alternatives. Designed to perform reliably in both indoor and demanding outdoor environments
✓Precision Machining – For a Smooth, Flawless Fit: Every bolt is manufactured to meet ANSI B18.5 standards, ensuring consistent quality, precise threads, and accurate dimensions. This ensures smooth installation, prevents cross-threading, and delivers a secure, reliable fit in every application
✓Full Thread Design & Locking Square Neck – Unmatched Strength & Easy Installation: Featuring Full Thread Coverage from neck to tip for maximum nut engagement and superior strength. Moreover, the integrated square neck is designed to bite securely into wood, preventing the bolt from spinning during nut tightening—saving you time and frustration. This robust combination ensures a vibration-resistant and permanently secure connection
✓Versatile, Heavy-Duty Fastening Solution: Perfect for a wide range of critical applications. From securing deck boards to joists and reinforcing trailer beds and ramps, to building fences, pergolas, and outdoor furniture. Also ideal for agricultural equipment repair, workshop jigs, playground structures, and securing ledger boards to framing. Designed to provide a secure, permanent connection where strength and reliability matter most
⚙️ Specifications
Material
Stainless Steel
Thread Size
3/8"-16
Exterior Finish
Stainless Steel
Manufacturer Grade
Grade 304
Head Style
Round
Color
Silver
Fastener Type
Carriage Bolt
Brand
Glvaner
Thread Type
Thread Type: Coarse
Item Diameter
0.38 inches
Thread Style
Right Hand
