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5/16" x 2-1/2"Hot Dip Galvanized Grade 307A Carriage Bolt Kit, 50 Pack, Comes with 5/16" USS Flat Washers & 5/16"-18 Hex Nuts, Heavy Duty Exterior Construction Use

Price:

$ 44.54


5/16" x 2-1/2"Hot Dip Galvanized Grade 307A Carriage Bolt Kit, 50 Pack, Comes with 5/16" USS Flat Washers & 5/16"-18 Hex Nuts, Heavy Duty Exterior Construction Use

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  • Multiple Size Options: Available in 5/16"×1", 1-1/2", 2", 2-1/2", and 3" lengths to fit various wood thicknesses, ideal for decks, fences, gazebos, pergolas, and all outdoor projects.
  • Complete All-In-One Kit: Each set includes carriage bolts, thick washers, and hex nuts. No extra parts needed, ready to use right out of the box.
  • Long-Lasting Rust & Corrosion Resistance: Hot dip galvanized finish offers excellent weather and corrosion resistance, works with ACQ treated lumber, perfect for all outdoor conditions.
  • Smooth, Clean Flush Finish: Flat head design creates a semi-flush surface with no sharp edges, keeping your projects neat, safe, and visually appealing.
  • Secure, Anti-Slip Installation: Square neck prevents spinning during installation; coarse UNC threads provide strong grip to avoid stripping or loosening over time.
  • Quality Meets Industrial Standards: Complies with ASME and ASTM specifications, durable enough for heavy-duty outdoor use.

$ 44.54 44.54 USD $ 44.54

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  • Unit Count
  • Exterior Finish
  • Head Style
  • Manufacturer Grade
  • Thread Coverage
  • Outside Diameter
  • Brand
  • Head Type
  • Number of Items
  • Fastener Type
  • Item Diameter
  • Fastener Size
  • Thread Size
  • Colour
  • Thread Type
  • Set Name
  • Part Number
  • Model
  • Thread Style
  • Thread Class
  • Compatible groove diameter
  • Item Hardness
  • Set Screw Thread Type
  • Finish Types
  • Item Dimensions
  • Product Type
  • Size Name
  • Screw Head Style
  • Screw Point Style

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Carriage Bolts

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These heavy-duty carriage bolt kits from Zivovoy are built for lasting strength and reliability in outdoor projects. This kit provides everything you need to securely fasten wood and other materials, offering a durable and professional finish.

Key Highlights

  • Versatile Lengths: Available in 5/16"x1", 1-1/2", 2", 2-1/2", and 3" lengths to suit a wide range of wood thicknesses.
  • Complete Kit: Each set includes carriage bolts, flat washers, and hex nuts, simplifying your project and reducing the need for additional components.
  • Superior Rust Resistance: The hot-dip galvanized finish provides excellent protection against weather and corrosion, ensuring long-lasting performance.
  • Flush & Safe Design: Flat head design creates a smooth, flush surface, minimizing sharp edges and enhancing safety.
  • Secure Fastening: Square neck design prevents bolts from spinning during installation, and coarse threads provide a strong grip.

Useful Facts

  • Thread Size: 5/16"
  • Exterior Finish: Zinc (Hot Dip Galvanized - Grade 307A)
  • Manufacturer Grade: Grade 307A
  • Head Style: Flat
  • Thread Type: Right Hand, Coarse (UNC)

Good Fit For

  • Deck construction
  • Fence building
  • Gazebo and pergola projects
  • General outdoor repairs and installations

Product details

Galvanized Carriage Bolts - 50 Pack with Washers & Nuts -14
Galvanized Carriage Bolts - 50 Pack with Washers & Nuts -15
Galvanized Carriage Bolts - 50 Pack with Washers & Nuts -16
Galvanized Carriage Bolts - 50 Pack with Washers & Nuts -17
Main Specification
Manufacturer Zivovoy
Unit Count 50 Count
Exterior Finish Zinc
Head Style Flat
Manufacturer Grade Grade 307a
Thread Coverage Fully Threaded
Outside Diameter 7.94 millimeters
Brand Zivovoy
Head Type Carriage
Number of Items 50
Fastener Type Carriage Bolt
Item Diameter 0.31 Inches
Fastener Size 5/16*2-1/2
Thread Size 5/16"
Colour Silver
Thread Type Unc
Product information
Set Name Zivovoy 50-Piece Carriage Bolt Kit
Technical Details
Thread Style Right Hand or Coarse
Part Number CB-5/16*2-1/2
Model 5/16" x 2-1/2"
Thread Class 3A
Compatible groove diameter 7.94 millimeters
Item Hardness Grade 307A
Set Screw Thread Type Unified National Coarse (Unc)
Style
Finish Types Hot Dip Galvanized
Measurements
Item Dimensions 6.7 x 4.3 x 2.8 inches
Others
Product Type Carriage Bolts
Size Name 5/16*2-1/2
Screw Head Style Flat
Screw Point Style Flat Point