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1/2" x 10" (25 Pack) Galvanized Carriage Bolt Kit Grade 307A Includes 1/2" USS Flat Washers (25 pcs) and 1/2"-13 Hex Nuts (25 pcs), Hot Dip Galvanized for Exterior Use by Makers Bolt
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MAKERS BOLT

1/2" x 10" (25 Pack) Galvanized Carriage Bolt Kit Grade 307A Includes 1/2" USS Flat Washers (25 pcs) and 1/2"-13 Hex Nuts (25 pcs), Hot Dip Galvanized for Exterior Use by Makers Bolt

✅ In stock
F
Grade
💤 Not a Deal
11/100
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.
$75.97
Listed $3.04
Analysis Confidence 90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 22, 2026 11:56 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 is slightly above the going rate for this product — worth watching for a drop.
  • 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
  • ➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 0/28
Recent Value 0/22
Market Standing 0/20
Deal Strength 7/20
Momentum 4/10

📝 Product Overview

🏪 Sold by Makers Bolt
📦 Fulfillment Fulfilled by Amazon
🚚 Shipping Free Shipping

Product Details

✓Diameter: 1/2" | Length: 10" | Head diameter: 1.062" | Nut diameter: 1/2" | Nut wrench size: 3/4" | Washer outside diameter: 1-3/8"
✓Kit includes 25 Grade 307A carriage bolts, 25 USS thick washers, 25 Grade 2/A hex nuts
✓Hot dip galvanized coating for superior corrosion resistance, Suitable for use in ACQ treaded lumber
✓The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications
✓Meets or Exceeds: ASME B18.5, ASTM A307, ASME B18.2.2, ASTM A563, ASME B18.21.1, ASTM F2329

⚙️ Specifications

Material
Carbon Steel
Thread Size
1/2"-13
Exterior Finish
Hot-Dipped Galvanized
Manufacturer Grade
Grade 307A
Head Style
Round
Fastener Type
Carriage Bolt
Brand
MAKERS BOLT
Thread Type
Unc
Item Diameter
0.5 inches
Thread Style
Right Hand
Size
1/2 x 10

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