3/8-16 x 4 in. 18-8 Stainless Steel Round Head Carriage Bolts, Pack of 50

SKU:
WBB2198811
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$115.94
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Product Specifications:
Country of Origin: Import
Material: Stainless Steel
Product Depth: 4.08"
Product Height: 3.07"
Product Type: Carriage Bolts
Product Width: 6.04"
Quantity Included: 1
Shipping Weight: 6.04 lbs
Manufacturer Part Number: 781354
Length: 4 in
Head: Round
Size: 3/8-16
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Free Shipping on Qualifying Orders Over $99

Product Specifications:
Country of Origin: Import
Material: Stainless Steel
Product Depth: 4.08"
Product Height: 3.07"
Product Type: Carriage Bolts
Product Width: 6.04"
Quantity Included: 1
Shipping Weight: 6.04 lbs
Manufacturer Part Number: 781354
Length: 4 in
Head: Round
Size: 3/8-16

These round head carriage bolts are for maintenance teams, installers, and other commercial buyers fastening soft wood, plastic, or metal components. Their wide heads help secure materials without pulling through, while the square neck helps hold the bolt in place as the nut is tightened.

This pack includes 50 carriage bolts with a 3/8-16 UNC thread size and 4 in. length. Each bolt is made of 18-8 stainless steel and has a round head with no screwdriver slot. The bolts are designed for pre-drilled holes and use with fastener nuts; they can be tightened by hand wrench or pneumatic tools.


Key Features:

  • Wide round head: Helps fasten soft wood, plastic, and metal without pull-through.
  • Square neck: Grips the substrate to help prevent the bolt from turning while the nut is tightened.
  • 18-8 stainless steel: Provides a stainless steel construction for fastening applications.
  • UNC threading: Provides a 3/8-16 UNC thread configuration for use with compatible nuts.
  • Pack of 50: Supplies multiple bolts for ongoing fastening work.

Choose these 3/8-16 x 4 in. carriage bolts when a round-head fastener with a square neck is needed for pre-drilled assemblies using compatible nuts.

Country of Origin: Import
Material: Stainless Steel
Product Depth: 4.08"
Product Height: 3.07"
Product Type: Carriage Bolts
Product Width: 6.04"
Quantity Included: 1
Shipping Weight: 6.04 lbs
Manufacturer Part Number: 781354
Length: 4 in
Head: Round
Size: 3/8-16
Thread: Coarse in
Unit of Measurement: Inch (Imperial)
Brand: Brighton-Best
Finish: 18-8 Stainless Steel
Grade: 18-8 Stainless Steel
Manufacturers Part Number: 781354
Neck Type: Square
Package Quantity: 50
Width: 4.08 in
Height: 3.07 in
Depth: 6.04 in