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The Best Carriage Bolts

Looking for the best Carriage Bolts?

Discover now our comparison of the best Carriage Bolts. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Carriage Bolts are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Carriage Bolts in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1
VGBUY 1/4-20 x 2 Carriage Bolts Screws 18 Sets, 304 Stainless Steel 18-8, Round Head Square Neck, Carriage Bolts and Nuts Kit, with Flat Washers
  • Strong Carriage Bolts: Carriage bolt is dome head bolt fastener with a locking neck style, which prevents turning when the nut it tightened or removed. Can be used in wood, metal applications
  • Stainless Carriage Bolts: Our 304 stainless steel carriage bolts 1/4 are of excellent corrosion resistance and durability. These carriage bolts 1/4 x 2 are ideal for both indoor and outdoor use
  • Well Made Carriage Bolts 2 Inch: All of the stainless steel bolts and hex nuts and flat washers are well manufactured with no burs, smooth-symmetrical head, precise and clean threads
  • Complete Bolts Nuts Washers Kit: You will get 18pcs 1/4-20 x 2" carriage bolts, 18pcs 1/4-20 hex nuts, 18pcs 1/4" ID flat washers in one package. Standard size, the bolt conforms to ASME B 18.5 table3
  • Versatile: Carriage bolts aren't just for carriages, these bolts can be used on wood projects, timber frame shed build, trailer deck boards, deck project, outdoor bench seat rebuild, etc.
No. 2
Glvaner (6 Sets) 3/8-16 x 4 Stainless Steel Carriage Bolts Screws Round Head Square Neck and Hex Nuts & Flat Washers 304 Stainless Steel 18-8 Full Thread Coverage
  • Package Includes: 6 Pcs Carriage Bolts (3/8-16 x 4") + 6 Pcs Hex Nuts (3/8"-16)+ 6 Pcs 3/8" ID Flat Washers
  • Thread Size: 3/8-16; Thread Pitch: 16 TPI; Thread Type: Coarse Thread
  • Bolt head diameter: 21mm; Round head height: 5mm; Screw length (including the neck): 4 inch or 100mm
  • Material: 304 stainless steel (A2) and no exterior finish, greater strength and corrosion resistance performance than regular stainless steel or zinc plated fasteners.
  • Carriage bolts have a dome shaped head and a square neck generally requiring a hex nut and flat washer. The square neck makes them self-locking when used within a square hole.
No. 3
3/8" x 8" (50 Pack) Galvanized Carriage Bolt Kit, Grade 307A, Hot Dip Galvanized for Exterior Use by Makers Bolt
  • Diameter: 3/8" | Length: 8" | Head diameter: 0.813" | Nut diameter: 3/8" | Nut wrench size: 9/16" | Washer outside diameter: 1"
  • Kit includes 50 carriage bolts, 50 USS thick washers, 50 hex nuts
  • Hot dip galvanized coating for superior corrosion resistance
  • Grade 307A carriage bolts, grade 2 hex nuts, and USS flat washers
  • The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications
No. 4
QXSKSLH (10 Sets) 1/4-20 x 1-1/2" Carriage Bolts and Nuts Kit, Round Head Square Neck Screws, Stainless Steel 18-8 (304)
  • Package Includes: 10 Pcs Carriage Bolts (1/4-20 x 1-1/2") + 10 Pcs Hex Nuts (1/4"-20)+ 10 Pcs 1/4" ID Flat Washers
  • Thread Size: 1/4-20; Thread Pitch: 20 TPI;
  • Material: High Quality Material 18-8 (304) Stainless Steel Carriage bolts.
  • Widely Applied: Used widely in the home and office appliances, communication equipment, ship assembly, and other machinery industry.
SaleNo. 5
1/4-20 x 1-1/2" Carriage Bolt Kit, Stainless Steel 304 Carriage Bolts Screws with Hex Nuts & Flat Washers, Round Head Square Neck, Full Thread, Black Finish, 12 Sets
  • Thread Diameter: 1/4 Inch; Thread Pitch: 20 TPI; Screw Length: 1-1/2 Inch; Head Diameter: 0.57 Inch; Head Height: 0.12 Inch.
  • Package Includes: 12 PCS 1/4-20 x 1-1/2" Carriage Bolts come with 12 PCS 1/4-20 Hex Nuts and 12 PCS 1/4" ID Flat Washers.
  • Material: Made of 304 stainless steel which has great strength, good stability and corrosion resistance performance, very reliable.
  • Feature: Carriage bolts have a dome shaped head and a square neck generally requiring a hex nut and flat washer. The dome shaped head design without a cross slot or hex can be anti-theft. The square neck makes them self-locking when used within a square hole.
  • Wide Application: Suitable for the fastening of wooden components to wood or metal, such as heavy applications like decks, pavilion, ship yacht, automotive suspension systems, mechanical industry, and other structures that require sturdy support.
No. 6
M8-1.25 x 20mm (10 Sets) Carriage Bolt DIN603 with Hex Nut DIN934, Full Coarse Thread, 304 Stainless Steel 18-8, Round Head Square Neck Screws Coach Bolt
  • Thread Size: M8-1.25; Thread Pitch: 1.25mm; Thread Type: Coarse Thread UNC
  • Head Diameter: 19.35mm (min)-20.65mm (max); Head Height: 4.12mm (min)-4.88mm (max); Neck Height: 4.4mm (min)-5.6mm (max)
  • Used widely in the home, office appliance, aluminum profile installation, communication equipments, ship assembly and other machinery industry, equipment, quadcopter, DIY crafts, home repairing and so on
  • Screw Length: 20mm (including the neck part)
  • Material: 304 Stainless Steel 18-8 that you will probably see in your house or workplace. It's used for a wide variety of home and commercial applications. Because of its slightly higher strength and wear resistance than type 316, it's also used for nuts, bolts, screws and other fasteners.
SaleNo. 7
SPARKWHIZ 1/2 x 6 Inch Carriage Bolt Kit, Rust Resistance Bolts Includes 12 Bolts, 12 Washers, and 12 Nuts, Black
  • Carriage Bolt Kit: Includes 12 carriage bolts, 12 USS thick washers, 12 hex nuts
  • Carriage Bolt Kit perfect for decks, pergolas, gazebos and heavy duty applications. 1/2"-13 diameter
  • Made of high-quality materials, durable and corrosion resistant. Suitable for outdoor use.
  • Carriage bolts kit are designed to fasten a wood member to either wood and metal
  • If our Carriage Bolt Kit has any quality issues, please do not hesitate to contact us.
No. 8
1/2" x 4" (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
  • Diameter: 1/2" | Length: 4" | 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
No. 9
1/2 x 6 Inch Carriage Bolt Kit, Rust Resistance Bolts Includes 24 Bolts, 24 Washers, and 24 Nuts
  • Carriage Bolt Kit: Includes 24 carriage bolts, 24 USS thick washers, 24 hex nuts
  • Carriage Bolt Kit perfect for decks, pergolas, gazebos and heavy duty applications. 1/2"-13 diameter
  • Carriage bolts kit are designed to fasten a wood member to either wood and metal
  • Made of high-quality materials, durable and corrosion resistant. Suitable for outdoor use
  • If our Carriage Bolt Kit has any quality issues, please do not hesitate to contact us
SaleNo. 10
Zonon 12 Sets 1/4 x 1-1/2 Inch Black Carriage Bolt Kit Galvanized Carriage Bolt Set Includes Rust Resistance Washers and Nuts for Fastening Accessories
  • Widely Applied: to the fastening of wooden components to wood or metal, they are suitable for heavy applications like decks, pavilion, crib screws, furniture and other structures that require sturdy support
  • Comprehensive Kit: the complete carriage bolt kit comprises enough carriage bolts, washers, and nuts, providing a generous amount of connectors that allow for several uses, making it a practical choice even for larger projects
  • Quality Material: these long bolts are made of galvanized material, characteristically known for their rust resistance, offering an ideal protective capacity; This quality material also ensures a long lasting and reliable performance, making it a worthy investment in home improvement and industrial projects
  • Nice Fastening Performance: designed for securing wooden parts to wood or metal, the galvanized carriage bolt set makes operative tasks easier and more effective; The carriage bolt design contributes significantly to nice fastening performance; Their holding strength ensures the stability and reliability of your constructions
  • Practical Dimension: the carriage bolt has many different sizes for you to choose, providing holding power for heavy applications; This various size can cater to a wide variety of needs, ensuring dependable and robust structural support across a host of applications

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Last update on 2025-07-04 / Affiliate links / Images from Amazon Product Advertising API