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20 Sets 1/4-20 x 1 Black Carriage Bolts Screws and Hex Nuts & Flat Washers, 304 Stainless Steel 18-8, Round Head Square Neck, Full Thread Coverage
✅ In stock
⭐ Lowest price we've tracked
📉 Price recently dropped
B
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 23, 2026 4:00 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
👍 Good Deal- 👍Verdict: Good Deal. Solid value. Price is noticeably below the recent average.
- 💰At 11% off its standard going rate, this offer delivers clear value for the money.
- 🏷️The listed retail price is trimmed by 10% at checkout.
- 📉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
12.8/28
Recent Value
9.91/22
Market Standing
18.79/20
Deal Strength
20/20
Momentum
10/10
📝 Product Overview
🚚 Shipping
Free Shipping
Product Details
✓Package Includes: 20 Pcs Carriage Bolts (1/4-20 x 1") + 20 Pcs Hex Nuts (1/4"-20)+ 20 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): 1 inch (25mm)
✓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 1"
Color
Black
Brand
Glvaner
Fastener Type
Carriage Bolt
Head Style
Round
Thread Size
1/4"-20
Number of Items
20
Manufacturer
Glvaner
Package Dimensions
3.94 x 3.94 x 0.71 inches
Item Weight
9.8 ounces
ASIN
B0F29NHX9T
