NSI Industries JCB34 - Carriage Bolt, Steel material, Zinc, Mushroom Head, 2-1/2 in. length, 1/2-13 in. Size, Right Hand thread, 25 per pack
NSI Industries

JCB34

Alternate Item Number: 83067

UPC: 639720830675

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 25

Multiplier: 25

*Contact for lower quantities*

Overview

The NSi Industries JCB34 carriage bolt is a precision-engineered fastening solution for heavy-duty industrial and construction applications. Manufactured from Grade 2 steel with a durable zinc coating, this bolt delivers reliable corrosion resistance and structural integrity in demanding environments. The 1/2-13 UNC thread pitch and 2-1/2-inch length provide secure fastening for wood-to-wood, wood-to-metal, and metal-to-metal assemblies, including structural framing, machinery mounting, and equipment fabrication. The distinctive mushroom head design resists rotation once installed, eliminating the need for a separate washer while ensuring a clean, finished appearance. Supplied in a 25-bolt pack, the JCB34 offers bulk value for large projects, reducing procurement time and inventory overhead. Compatible with standard 1/2-inch wrenches and sockets, this bolt meets industrial fastening standards for tensile strength and dimensional accuracy. Ideal for contractors, fabricators, and OEMs seeking a cost-effective, high-quality fastener with proven performance in outdoor and high-vibration applications. This carriage bolt features a right-hand thread, a standard for most mechanical applications. The steel material provides robust strength for demanding load-bearing tasks. The zinc plating offers a protective layer against rust and corrosion, extending the lifespan of the fastener in various environmental conditions. The 2-1/2-inch length is suitable for joining thicker materials or accommodating multiple components. The 1/2-13 size indicates a 1/2-inch diameter bolt with 13 threads per inch, a common UNC (Unified National Coarse) thread specification for general engineering and construction. Each pack contains 25 bolts, ensuring an ample supply for numerous fastening requirements.
  • Material: Grade 2 steel with zinc plating for corrosion resistance
  • Thread: 1/2-13 UNC, right-hand thread for standard compatibility
  • Length: 2-1/2 inches for secure fastening in thick materials
  • Head: Mushroom design prevents rotation after installation
  • Packaging: 25 bolts per pack for bulk project efficiency

Specifications

Application
Electrical, Plumbing, Heating, Air Conditioning Industries
Color
Zinc
Finish
Zink Chromate
Head Type
Mushroom Head
Length
2-1/2 in
Material
Steel
Size
1/2-13 IN
Thread
Right Hand
Thread Type
Right Hand
Type
Carriage Bolt
Package Dimensions (L x W x H)
3.5 IN x 3.5 IN x 5.75 IN
Package Dimensions (L x W x H)
8.89 cm x 8.89 cm x 14.605 cm
Package Weight (Imperial)
4.050 L
Package Weight (Metric)
1.837 kg
Carriage Bolt, Steel material, Zinc, Mushroom Head, 4-1/2 in. length, 1/4-20 in. Size, Right Hand thread, 100 per pack

JCB36

Carriage Bolt, Steel material, Zinc, Mushroom Head, 4-1/2 in. length, 1/4-20 in. Size, Right Hand thread, 100 per pack
A carriage bolt with a round head and short square shoulder under the head. It is made of steel with a zinc plated finish. The bolt size is #10-24 x 1 in, with a 1.000 in length and 24 TPI thread size.

54716

A carriage bolt with a round head and short square shoulder under the head. It is made of steel with a zinc plated finish. The bolt size is #10-24 x 1 in, with a 1.000 in length and 24 TPI thread size.

Frequently Asked Questions

What materials are JCB series carriage bolts made from?

JCB series carriage bolts are made from 18-8 Stainless Steel and 316 Stainless Steel.

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