RIUBPGUVE Chainsaw Grinding Wheels 4-Pack 5-3/4" x 1/8" 60-Grit Medium for 3/8" & .325 Chains

RIUBPGUVE Or534-18 sharpening wheels are 5-3/4" diameter, 1/8" thick grinding discs designed to restore 3/8" and 325-pitch chainsaw teeth on compatible chain grinders.

These four replacement grinding wheels provide a ready set of medium-grit abrasives engineered for consistent tooth profiles and steady removal rates. Built to match common chain grinder models such as Tecomec and Oregon-compatible grinders, each wheel features a 7/8" arbor hole and a dense, medium-hard bonded structure. The specification balances cutting speed with control to help maintain your saw chain without needing professional resurfacing.

Which chain grinders and chain pitches work with these wheels?

These wheels are made for popular consumer and pro-style chain grinders that accept the Or534-18 form factor. They target common small-pitch chains used on lighter saws.

• Compatible with Tecomec chain grinders and Oregon-style grinders
• Designed for 3/8" and .325 pitch chains
• Accepts a 7/8" shaft or adapter for secure mounting

How durable and fast are the Or534-18 wheels in regular use?

The discs are medium hardness with a 60-grit abrasive and a dense structure, offering a predictable wear rate and steady cutting action. They hold form well under typical sharpening sessions without glazing too quickly.

• Particle size: 60 (medium grit) for balanced stock removal
• Medium hardness and dense structure for stable performance
• Max rotation speed 4600 RPM, max operating speed 35 m/s for safe trimming

What are the exact dimensions and safety considerations?

The wheels measure 5-3/4" in diameter and 1/8" thick, with a central 7/8" hole to fit standard grinder spindles or adapters. Always confirm your machine’s maximum speed rating and use proper guards and eye protection when mounting and using abrasive wheels.

• Overall diameter: 5-3/4" (approx. 146 mm)
• Thickness: 1/8" (approx. 3 mm); arbor hole: 7/8" (approx. 22 mm)
• Observe machine RPM limits and wear PPE (gloves, goggles, guard)

How many wheels are included and what routines do they support?

This listing supplies four identical grinding wheels so you can replace worn discs quickly or reserve spares. The pack suits routine maintenance schedules for chains used in landscaping, property care, and occasional heavy use.

• Four wheels per pack for extended service life or multiple machines
• Good for periodic re-profiling and edge maintenance between professional services
• Keep a spare disk mounted to reduce downtime during sharpening jobs

Who is this for: The RIUBPGUVE Or534-18 4-pack is aimed at homeowners, arborists, and small-scale saw operators who refurbish chains themselves using Tecomec or Oregon-compatible grinders. It fits users who want a dependable medium-grit replacement wheel set with predictable wear and safe operating limits, enabling accurate tooth profiles without specialized equipment.