NSI Industries JCB7SS - Carriage Bolt, Stainless Steel, Mushroom Head , 18-8 grade, 2-1/2 in. length, 1/4-20 in. Size, Right Hand thread, 100 per pack
NSI Industries

JCB7SS

Alternate Item Number: 91707

UPC: 639720917079

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Minimum Qty: 100

Multiplier: 100

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Overview

The NSi Industries JCB7SS Stainless Steel Carriage Bolt is a precision-engineered fastener designed for structural and mechanical applications requiring corrosion resistance and secure fastening. Constructed from 18-8 grade stainless steel, this bolt delivers exceptional durability in outdoor, marine, and industrial environments where exposure to moisture, chemicals, or temperature fluctuations is common. The mushroom head design ensures a smooth, low-profile finish while preventing over-tightening, making it ideal for wood, metal, and composite assemblies. Key specifications include a 1/4-20 right-hand thread for compatibility with standard nuts and tapped holes, and a 2-1/2-inch length to accommodate thick materials. The square neck under the head locks into the material, eliminating rotation during installation—a critical feature for woodworking and construction applications. Packaged in a 100-piece bulk pack, the JCB7SS is optimized for high-volume projects, reducing downtime and procurement costs. Common applications include decking, fencing, HVAC systems, agricultural equipment, and light-duty machinery where stainless steel fasteners are preferred for longevity. Unlike zinc-plated bolts, 18-8 stainless steel resists rust and staining, ensuring long-term performance without maintenance. The right-hand thread simplifies installation with standard tools, while the mushroom head provides a finished appearance in visible applications. For projects demanding reliability and compliance with industry standards, the JCB7SS is a cost-effective solution backed by NSi Industries' reputation for quality fasteners.
  • 18-8 grade stainless steel for superior corrosion resistance in harsh environments
  • Mushroom head design prevents over-tightening and provides a smooth finish
  • Square neck under head locks into material to prevent rotation during installation
  • 1/4-20 right-hand thread for compatibility with standard nuts and tapped holes
  • 2-1/2" length suitable for thick material assemblies; 100-piece bulk pack for efficiency

Specifications

Application
Electrical, Plumbing, Heating, Air Conditioning Industries
Grade
18-8
Head Type
Mushroom Head
Length
2-1/2 in
Material
Stainless Steel
Size
1/4-20 IN
Thread
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)
2.930 L
Package Weight (Metric)
1.329 kg
Carriage Bolt, Stainless Steel, Mushroom Head , 18-8 grade, 2 in. length, 3/8-16 in. Size, Right Hand thread, 50 per pack

JCB24SS

Carriage Bolt, Stainless Steel, Mushroom Head , 18-8 grade, 2 in. length, 3/8-16 in. Size, Right Hand thread, 50 per pack
Carriage bolts with a round head and zinc plated finish. They are made of steel and sized 1/4"-20 x 2-1/2". The square neck is designed to keep the bolt from turning as a nut is tightened.

55140

Carriage bolts with a round head and zinc plated finish. They are made of steel and sized 1/4"-20 x 2-1/2". The square neck is designed to keep the bolt from turning as a nut is tightened.

Frequently Asked Questions about NSI Industries

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Tork products are typically installed by trained technicians who follow a comprehensive commissioning process. This includes verifying the work environment, conducting electrical installation checks, performing internal and external equipment inspections, powering on the system, and executing operational tests to ensure compatibility and reliability.

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Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

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Tork products support a comprehensive range of communication protocols, including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, and Modbus RTU integrated as standard. These protocols facilitate flexible network integration and high-performance communication across various industrial automation systems.

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Tork products are designed with advanced features that enhance efficiency and reliability in industrial applications. Key features include integrated harmonics and EMC design for improved power quality, removable terminals for quick installation, and USB ports for easy troubleshooting. Additionally, Tork solutions emphasize user-friendly setup with application wizards and memory modules for convenient parameter management.

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What technical support does Tork offer?

Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

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