NSI Industries JCB30 - Carriage Bolt, Steel material, Zinc, Mushroom Head, 8 in. length, 3/8-16 in. Size, Right Hand thread, 50 per pack
NSI Industries

JCB30

Alternate Item Number: 83054

UPC: 639720830545

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 50

Multiplier: 50

*Contact for lower quantities*

Overview

The NSi Industries JCB30 Carriage Bolt is a precision-engineered steel fastener designed for heavy-duty wood-to-metal and metal-to-metal connections in industrial, construction, and manufacturing applications. Constructed from Grade 2 steel with a zinc-plated finish, this bolt delivers corrosion resistance and long-term durability in exposed environments. The 3/8-16 UNC right-hand thread ensures compatibility with standard nuts and pre-drilled holes, while the 8-inch length provides secure engagement in thick materials. The distinctive mushroom head prevents over-tightening and provides a finished appearance, making it ideal for applications where aesthetics matter alongside function. Key specifications include a 3/8-inch nominal diameter with 16 threads per inch, fully threaded shank for maximum grip, and a standard right-hand thread direction. The zinc plating meets ASTM B633 specifications for salt spray resistance, offering up to 96 hours of protection in neutral salt spray tests per ASTM B117. This bolt is packaged in a 50-piece bulk carton for cost-effective procurement and inventory management. Typical applications include securing wooden beams to steel frames, mounting machinery bases, assembling metal frameworks, and general construction where a flush or low-profile head is required. NSi Industries, a U.S.-based manufacturer, produces this fastener to meet commercial and industrial standards, ensuring consistent quality and dimensional accuracy. The JCB30 is part of a comprehensive line of zinc-plated carriage bolts available in multiple diameters and lengths, providing versatility for diverse fastening needs. For projects requiring stainless steel or alternative finishes, consult the NSi catalog for compatible options.
  • Material: Grade 2 steel with zinc plating per ASTM B633
  • Thread: 3/8-16 UNC right-hand, fully threaded shank
  • Length: 8 inches for deep material engagement
  • Head: Mushroom style prevents over-tightening, flush finish
  • Packaging: 50 bolts per carton for bulk purchasing

Specifications

Application
Electrical, Plumbing, Heating, Air Conditioning Industries
Finish
Zink Chromate
Head Type
Mushroom Head
Length
8 IN
Material
Steel
Size
3/8-16 IN
Thread
Right Hand
Thread Type
Right Hand
Type
Carriage Bolt
Package Dimensions (L x W x H)
4.5 IN x 4.5 IN x 7.25 IN
Package Dimensions (L x W x H)
11.43 cm x 11.43 cm x 18.415 cm
Package Weight (Imperial)
11.050 L
Package Weight (Metric)
5.012 kg
Carriage Bolt, Steel material, Zinc, Mushroom Head, 6 in. length, 3/8-16 in. Size, Right Hand thread, 50 per pack

JCB40

Carriage Bolt, Steel material, Zinc, Mushroom Head, 6 in. length, 3/8-16 in. Size, Right Hand thread, 50 per pack
These are carriage bolts with a round head and square neck design. They are made of steel with a zinc plated finish. The bolt size is 3/8"-16 x 8" and the diameter is 0.375".

55600

These are carriage bolts with a round head and square neck design. They are made of steel with a zinc plated finish. The bolt size is 3/8"-16 x 8" and the diameter is 0.375".

Frequently Asked Questions

What product type is included in the JCB series?

The JCB series includes Carriage Bolts made from 18-8 Stainless Steel and 316 Stainless Steel.

What materials are used for JCB series carriage bolts?

JCB series carriage bolts are manufactured using 18-8 Stainless Steel and 316 Stainless Steel.

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