Authorized NSI Industries Distributor
NSI Industries JBBH43 - Bolt, 5/16-18 in. size, 1 in. length, Hex head, Silicon Bronze, 100 per pack
NSI Industries

JBBH43

Alternate Item Number: 80753

UPC: 639720807530

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

The NSi Industries JBBH43 is a 5/16-18 x 1-inch hex head bolt machined from ASTM B98 UNS C65100 silicon bronze. This corrosion-resistant fastener resists seawater, chloride solutions, and industrial chemicals, making it ideal for marine hardware, chemical processing, and outdoor infrastructure. The 1-inch grip length and standard coarse thread ensure compatibility with pre-tapped holes in aluminum, stainless steel, and fiberglass assemblies. The hex head accepts 1/2-inch sockets or open-end wrenches for tool-driven installation and removal. Each carton contains 100 bolts, optimizing bulk procurement for maintenance depots and fabrication shops. NSi Industries, a U.S.-based manufacturer, produces the JBBH43 to ASME B18.2.1 specifications, ensuring consistent thread fit and head geometry. Typical applications include deck fittings, heat exchangers, water treatment systems, and structural connections where galvanic corrosion must be minimized. The silicon bronze composition delivers 45 ksi minimum tensile strength and 25 ksi yield strength, balancing strength with corrosion resistance.
  • Material: ASTM B98 UNS C65100 silicon bronze
  • Thread: 5/16-18 UNC, 1" length
  • Head: Hex, 1/2" across flats
  • Corrosion resistance: Seawater, chlorides, industrial chemicals
  • Pack quantity: 100 bolts per carton

Specifications

Application
Electrical, Plumbing, Heating and Air Conditioning Industries
Head Type
Hex
Length
1 IN
Material
Silicon Bronze
Size
5/16-18 IN
Type
Cap Screw
Package Dimensions (L x W x H)
3 IN x 3 IN x 3.6 IN
Package Dimensions (L x W x H)
7.62 cm x 7.62 cm x 9.144 cm
Package Weight (Imperial)
3.270 L
Package Weight (Metric)
1.483 kg
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Frequently Asked Questions

What product series does this specification sheet cover?

This specification sheet applies to all Hex Bolts - Silicon Bronze in the BBH and JBBH series.

What material are these hex bolts made of?

These hex bolts are made of silicon bronze.

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