Hillman 812581 Hot Dipped Galvanized Carriage Bolt, 3/8 x 3-Inch, Silver, 50-Pack

★★★★★ 5.0 59 reviews

$29.02
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$29.02
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Free shipping Free 30-day returns

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Product details

Management number 216538700 Release Date 2026/04/19 List Price $11.61 Model Number 216538700
Category

Product Description Carriage Bolts are designed to fasten a wooden face to either a wood or metal frame. Its flat head is designed to eliminate the need for a washer and provide a semi-flush finish to applications. The square underside of the head is self locking to eliminate spinning and the need for a driving tool. The galvanized finish provides optimal rust prevention but can be chalky in appearance. From the Manufacturer Carriage Bolts have a smooth, rounded head that has a small square section underneath. They are used in wood connections utilizing the square neck under the round head which will sit into the hole to prevent the head from turning. These carriage bolts come plated in zinc for moderate corrosion resistance.

  • Carriage Bolts are designed to fasten a wooden face to either wood or metal
  • Flat head provides a semi-flush finish to applications
  • The heads is designed to eliminate the need for a washer
  • Square underside of the head is self locking to eliminate the need for a driving tool
  • Galvanized finish is perfect for rust prevention
UPC 008236133745
Brand Hillman
Color Galvanized
Model 812581
Set Name 50-Pack
Head Type Square
Size Name 50-Pack
Metal Type Alloy Steel
Unit Count 1.0 Count
Item Weight 4.9 Pounds
Part Number 812581
Thread Size 3/8"
Thread Type Unc
Drive System Square
Finish Types Galvanized
Grade Rating Grade 2
Manufacturer The Hillman Group
Thread Class Standard
Thread Style Right Hand
Fastener Size 3/8" x
Fastener Type Carriage Bolt
Item Diameter 0.38 Inches
Item Hardness Grade 2
Material Type Alloy Steel
Item Type Name Hillman 812581 Hot Dipped Galvanized Carriage Bolt, 3/8 x 3-Inch, Silver, 50-Pack
Exterior Finish Hot-Dipped Galvanized
Item Dimensions 3.3 x 4.4 x 4.2 inches
Thread Coverage Partially Threaded
Number of Pieces 50
Screw Head Style Flat
Screw Point Style Flat Point
Manufacturer Grade Grade 2
Included Components Hillman 812581 Hot Dipped Galvanized Carriage Bolt, 3/8 x 3-Inch, Silver, 50-Pack
Warranty Description Warranty
Set Screw Thread Type Unified
Compatible Groove Diameter 0.38 Inches
Global Trade Identification Number 00008236133745

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