Williams JHWRB-1820 Ratcheting Box End Wrench 9/16 X 5/8 in

Product Description

The WILLIAMS COMFORT PRODUCTS JHWRB-1820 is a 12-point ratcheting box end wrench with 9/16-inch and 5/8-inch openings. It is designed for removing and installing fasteners in confined spaces where a standard wrench or socket set cannot complete a full swing. The flat handle profile keeps the tool low-profile against work surfaces, making it well-suited for bolt-through applications where clearance is limited. Tradespeople in HVAC, plumbing, and mechanical work will find this wrench useful when working inside equipment cabinets, air handlers, and tight mechanical assemblies. Flipping the wrench reverses the ratcheting direction without removing it from the fastener.

The JHWRB-1820 is used in residential and light commercial service work where standard combination wrenches cannot generate sufficient swing arc. It is a practical hand tool for HVAC technicians, plumbers, and pipefitters who frequently encounter fasteners in equipment panels, pipe hangers, and structural connections. The two-size configuration — 9/16 inch and 5/8 inch — covers common fastener sizes found across HVAC equipment, pipe flanges, and mechanical supports. It is sold individually and is suited for both bench work and field service.

Key Features

• Ratcheting action at each end allows fast fastener removal without repositioning
• 12-point box end engages fasteners at multiple contact points to reduce rounding
• Flat handle design provides access in tight clearance areas and bolt-through applications
• Turn wrench over to reverse ratcheting direction without removing from fastener
• Dual-size openings: 9/16 inch and 5/8 inch for two common fastener sizes in one tool

Compatibility

Designed as a standard hand tool for use with 9/16-inch and 5/8-inch hex fasteners in HVAC, plumbing, and general mechanical service applications.

Installation Notes

This wrench is a hand tool used by HVAC technicians, plumbers, and pipefitters for fastener service. Always shut off and lock out equipment power before working inside panels or mechanical assemblies. Use the correct opening size for the fastener to avoid rounding. No power tools, specialty codes, or additional hardware are required for operation.

Technical Specifications

• Opening Sizes: 9/16 inch and 5/8 inch
• Point Count: 12-point
• Handle Style: Flat
• Overall Length: 8.2 inches
• Height: 1.4 inches
• Width: 0.3 inches
• Weight: 0.454 pounds
• Sold As: Each
• UPC: 662459107138

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: JHWRB-1820