Oatey 90174 Extra Long Johni-bolt Closet Bolt Set

Product Description

The OATEY 90174 is a patented solid brass closet bolt set designed to secure a floor-mounted water closet to an existing toilet flange. Built under the Hercules line, this extra-long bolt measures 5/16 inch in diameter and 3.5 inches in length, making it suited for installations where stacked or layered floor surfaces create a greater distance between the flange and the toilet base. A snap-off slot simplifies trimming the bolt to final height after the toilet is set, and a captive washer keeps hardware organized during install. Licensed plumbers and experienced DIYers install this part during toilet replacement or bathroom remodeling work.

This closet bolt set is intended for floor-mounted toilet installations, particularly remodeling scenarios where multiple layers of flooring material — such as tile over subfloor or hardwood over concrete — raise the finished floor height above the original flange. The extra length accommodates these added floor thicknesses without requiring a flange extender. It is a direct replacement for standard-length closet bolts when additional reach is needed to properly seat and secure the toilet.

Key Features

• Extra-long 3.5-inch length accommodates multi-layer floor surfaces during remodel installations
• 5/16 inch diameter solid brass construction resists corrosion in wet environments
• Patented snap-off slot allows bolt to be trimmed to height after toilet is set and torqued
• Captive washer keeps hardware in position during installation
• Manufactured in the United States

Compatibility

Designed as an OEM-style replacement closet bolt set for floor-mounted toilet installations requiring extra bolt length at a standard 5/16 inch diameter.

Installation Notes

This part is installed by licensed plumbers or qualified tradespersons during toilet setting or replacement. Shut off the water supply and remove all water from the bowl and tank before beginning work. Slide the bolt heads into the flange track, position the toilet over the bolts, and apply even downward pressure before hand-tightening the nuts. Use the snap-off slot to break the bolt at the correct height after final torque is applied — avoid over-tightening the nuts, which can crack the toilet base.

Technical Specifications

• Bolt Diameter: 5/16 inches
• Bolt Length: 3.5 inches
• Material: Solid Brass
• Color / Finish: Brass
• Application: Floor Mounted Toilet
• Weight: 0.207 pounds
• Country of Origin: US

Standard Information

• Brand: OATEY
• Manufacturer Part Number: 90174