NSI Industries JCB36 - Carriage Bolt, Steel material, Zinc, Mushroom Head, 4-1/2 in. length, 1/4-20 in. Size, Right Hand thread, 100 per pack
NSI Industries

JCB36

Alternate Item Number: 83070

UPC: 639720830705

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

The NSi Industries JCB36 Carriage Bolt is a precision-engineered steel fastener designed for industrial and construction applications requiring a low-profile, flush-mounted bolt head. Constructed from Grade 2 steel with a zinc-plated finish, this bolt provides corrosion resistance and reliable performance in outdoor or high-moisture environments. The 4-1/2-inch length and 1/4-20 right-hand thread ensure compatibility with standard hardware and structural components. The mushroom head design eliminates snagging hazards and provides a smooth surface finish, ideal for applications where a protruding head is undesirable. Supplied in bulk packaging of 100 pieces per carton, the JCB36 is optimized for high-volume industrial use, reducing procurement frequency and streamlining assembly workflows. Typical applications include machinery assembly, furniture manufacturing, construction framing, and general structural fastening where a secure, low-profile bolt is required. The zinc plating meets ASTM B633 standards for salt spray resistance, ensuring long-term durability in exposed conditions. NSi Industries, a U.S.-based manufacturer, provides this fastener as part of its comprehensive line of zinc-plated carriage bolts, suitable for both commercial and industrial projects. The square neck under the head prevents rotation during tightening, enhancing installation efficiency and joint integrity.
  • Material: Grade 2 steel with zinc plating for corrosion resistance
  • Dimensions: 4-1/2" length, 1/4-20 right-hand thread
  • Head Type: Mushroom head for flush, low-profile installation
  • Packaging: 100 bolts per carton for bulk industrial use
  • Applications: Machinery assembly, construction, furniture manufacturing, structural fastening

Specifications

Application
Electrical, Plumbing, Heating, Air Conditioning Industries
Color
Zinc-Plated
Finish
Zink Chromate
Head Type
Mushroom Head
Length
4-1/2 In
Material
Steel
Mounting Type
Mushroom Head
Series
JCB
Size
1/4-20 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)
5.480 L
Package Weight (Metric)
2.486 kg
Carriage Bolt, Steel material, Zinc, Mushroom Head, 2-1/2 in. length, 1/2-13 in. Size, Right Hand thread, 25 per pack

JCB34

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