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16 Sets 1/4-20 x 3 Black Carriage Bolts Screws and Hex Nuts & Flat Washers, 304 Stainless Steel 18-8, Round Head Square Neck, Full Thread Coverage
✅ In stock
📉 Price recently dropped
F
Grade
Analysis Confidence
73%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 22, 2026 3:37 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 🏷️The retail sticker price has been slashed by 71% — a steep markdown from the official listing.
- 📉A lower price did appear very recently, suggesting the market may revisit that level before long.
- 📈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
0.74/28
Recent Value
0/22
Market Standing
0.8/20
Deal Strength
0/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
GVN Online
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Package Includes: 16 Pcs Carriage Bolts (1/4-20 x 3") + 16 Pcs Hex Nuts (1/4"-20)+ 16 Pcs 1/4" Inside Diameter Flat Washers
✓Thread Size: 1/4-20; Thread Pitch: 20 TPI; Thread Type: Coarse Thread
✓Material: 304 Stainless Steel (A2-70) with durable black coating; Provides enhanced strength and superior corrosion resistance compared to standard stainless steel or zinc-plated fasteners; Features smooth, burr-free surfaces with scratch-resistant protection during handling and installation; Maintains a uniform industrial-grade black finish for professional applications
✓Bolt head diameter: 0.59 inch (15mm); Bolt head height: 0.14 inch (3.68mm); Bolt length (including the square neck): 3 inch (75mm)
✓Carriage bolts feature a domed head with integrated square neck; The square neck mechanically locks into square receiver holes, preventing rotation; The polished dome head creates a semi-recessed installation profile, blending functional grip security with reduced surface protrusion for enhanced safety in woodworking, structural connections, and agricultural equipment applications
⚙️ Specifications
Size
1/4-20 x 3"
Color
Black
Brand
Glvaner
Fastener Type
Carriage Bolt
Head Style
Round
Thread Size
1/4"-20
Number of Items
16
Manufacturer
Glvaner
Package Dimensions
5.91 x 3.94 x 0.59 inches
Item Weight
13.4 ounces
ASIN
B0F29KJXFC
