3M 7000045250 Vacuum Hose Fitting Adapter

Product Description

The 3M 7000045250 is a vacuum hose fitting adapter designed to connect a 1-inch inside-diameter vacuum hose to 3M Random Orbital Sanders. One end features a 1-inch external hose thread with a left-hand thread that screws directly into the sander exhaust assembly. The opposite end is a 1-inch friction-fit barb that pushes into the ID of the vacuum hose, creating a secure, tool-free connection. This adapter is a single-piece fitting sold individually and is installed by finishing trades, abrasives technicians, and surface prep professionals who use 3M orbital sanding equipment with dust collection systems.

This fitting adapter is used in dust extraction setups on 3M Random Orbital Sanders in both residential and commercial finishing applications. It serves as the critical link between the sander exhaust port and the vacuum hose, keeping the work area clear of sanding dust. It is appropriate for use wherever a 1-inch ID vacuum hose is used with compatible 3M ROS equipment.

Key Features

• 1-inch external hose thread (left-hand thread) mates with the 3M ROS exhaust assembly
• 1-inch friction-fit barb connects directly to 1-inch ID vacuum hose without tools
• Left-hand thread orientation prevents loosening during sander operation
• Sold individually — single unit per order

Compatibility

Designed for use with 3M Random Orbital Sanders that accept a 1-inch external left-hand threaded fitting at the exhaust assembly.

Installation Notes

Installation does not require power tools — hand-thread the left-hand threaded end counterclockwise into the sander exhaust assembly until snug, then push the barb end firmly into the vacuum hose ID. Power down and disconnect the sander from any power source before servicing the dust collection connection. Do not overtighten the threaded fitting, as the left-hand thread is designed to seat firmly with hand pressure only.

Technical Specifications

• External Hose Thread Size: 1 inch (left-hand thread)
• Friction Barb Size: 1 inch
• Compatible Hose ID: 1 inch
• Unit of Measure: Each
• Minimum Order Quantity: 1
• UPC: 50051141283048

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000045250