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uxcell Square Head Bolt, 20pcs M6 x 20mm Fully Thread Carbon Steel Grade 4.8 Square Machine Screws
✅ In stock
⭐ Lowest price we've tracked
📉 Price recently dropped
B
Grade
Analysis Confidence
73%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 19, 2026 12:58 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 12% off its standard going rate, this offer delivers clear value for the money.
- 🏷️The listed retail price is trimmed by 9% 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
13.68/28
Recent Value
12.43/22
Market Standing
16.92/20
Deal Strength
20/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
Amadeo City
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Product Name: Square Head Bolt; Material: Carbon Steel; Finish: Zinc Plated; Color: Silver Tone; Thread Size: M6 x 20mm / M6 x 0.79"(D*L); Pitch: 1mm
✓Head Size: 10mm x 10mm x 2mm / 0.39" x 0.39" x 0.08"(L*W*T); Package Content: 20 x Square Head Bolt
✓Advantage: Square head bolt offers a large bearing area, is made of carbon steel, zinc plated finish to prevent rust, high strength, good wear resistance and good impact resistance, and durable.
✓Application: Square head bolt can be used for toilet lid installation, and it is also widely used in the assembly and maintenance of machinery, railroad, electrical connections, construction, some assembly required furniture and DIY project. Such as the assembly and fixing of guardrails, home appliances, pipeline installations, equipment, steel-framed houses, etc.
✓Installation: A wrench/plier is required for installation. Generally, with a nut and a washer to form a fastener device(Not in the package).
⚙️ Specifications
Material
Carbon Steel
Thread Size
M6
Exterior Finish
Zinc
Manufacturer Grade
Grade 4 8
Head Style
Square
Color
Silver
Fastener Type
Square Bolt
Brand
uxcell
Thread Type
Fully Thread
Thread Style
Right Hand
Item Hardness
Grade 4.8
