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8.8 / 10 by Deal Hunter

20 Sets Long Square-Neck Carriage Bolts Set,Carriage Bolts Set w/Nuts & Flat Washers,Zinc-Plated,Carbon Steel Grade 4.8,Plain Finish,Partial Threaded(M6-1.0X80mm)

A
🔥 Great Deal
85.96/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$8.19
Listed $29.99
Save $21.80 (73%)
Analysis Confidence 90%
Check Deal at Amazon
Price verified Apr 12, 2026 1:42 PM · Prices & availability subject to change
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💡 Deal Insight 🔥 Great Deal

The current price is 26% below what this product typically costs — a notable saving over its usual going rate. The retail sticker price has been slashed by 73% — a steep markdown from the official listing. Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy. Pricing has been trending lower — momentum that adds further appeal to this deal. Strong buy. Price is significantly below its historical average.


How We Scored This Deal
Price Competitiveness 28/28
Recent Value 10.89/22
Market Standing 17.07/20
Deal Strength 20/20
Momentum 10/10
📝 Product Overview
Sold by
It Works Great
Fulfillment
Fulfilled by Amazon
Shipping
Free Shipping Available
Product Details
  • Bolts Size:M6x80mm;Nuts & Flat Washers Size:M6;See the size chart for more sizes.Material:Carbon Steel Zinc-Plated
  • Carriage Bolts are a robust and durable fastener solution. Carriage Bolts feature a square section underneath their head, which makes them self-locking when used within a square hole.
  • Precision forged, acid and alkali resistant, corrosion resistant and resistant to oxidation.The thread is smooth and flat, the squat is evenly stressed, and the screw teeth are stronger.
  • Carriage bolts are designed to fasten a wooden face to either wood or metal.Flat, smooth head eliminates the need for a washer.
  • Due to the head there is no groove type that can be used with a power assisting tool. It can also be hidden during actual use to prevent disassembly.
⚙️ Specifications
Material
Carbon Steel Zinc-Plated
Thread Size
M6
Exterior Finish
Stainless Steel, Unfinished, Zinc
Manufacturer Grade
Grade 4 8
Head Style
Dome, Flat, Hex, Round, Square
Fastener Type
Carriage Bolt
Brand
BVO
Thread Type
Partial Threaded
Thread Style
Right Hand
Item Hardness
Grade 4.8
Size
M6-1.0X80mm(20 Sets)
$8.19
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