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1/2" x 12" (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
1/2" x 12" (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
Item Details
Pickup Location
4031 Market Center Dr Suite 303
North Las Vegas, NV, 89030
Quality
New
Functional
No Damage
No Assembly Needed
In Package
No Missing Parts
Auction closes
August 31, 2025 at 4:20 AM
brand
MAKERS BOLTEstimated Retail Price
$80.53
size
1/2 x 12Buyers Premium
15%
Inventory Number
1048787248
Found in
Features
- Diameter: 1/2" | Length: 12" | 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
Online Reviews
4.8/5
Based on 2 ratings
This score is based on 2 recent reviews from online retailers.
Be sure to check our Quality Rating and Notes above for more details on this listing.


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