Designed for precision and longevity, the Koyo-Sha Abrasive Disc R/R Type 400s provides excellent grinding power with minimal clogging. Its resin bond ensures strong grain adhesion, offering reliable results on metals, composites, and other industrial workpieces. Recommended speeds vary with disc diameter for optimal performance.

Koyo-Sha Abrasive Disc R/R Type 400s

A versatile abrasive solution from Koyo-Sha, the R/R Type 400s disc is suitable for regular to heavy grinding tasks in CNC fabrication, automotive, aerospace, and general metalwork. Resin-bonded silicon carbide offers robust cutting while maintaining surface quality and product durability.

Features

Resin Bond (R/R)

Strong bond for durable abrasive performance in grinding and sanding.

Silicon Carbide Abrasive

Provides aggressive cutting and material removal.

Wide Grit Range

Available in various grit sizes for different surface finishes.

Multiple Disc Sizes

Standard diameters like 100 mm, 125 mm, 150 mm, and 180 mm are available.

High RPM Support

Designed for high-speed operation (e.g., up to 13,700 rpm on 100 mm).

Overview

Specification	Details
Product Name	Koyo-Sha Abrasive Disc R/R Type 400s
Abrasive Material	Silicon carbide
Bond Type	R/R (Resin bond)
Application	Regular and heavy grinding tasks
Standard Sizes	Ø100 mm × 15.9 mm, Ø125 mm × 15.9 mm, Ø150 mm × 22.2 mm, Ø180 mm × 22.2 mm
Maximum RPM	Up to ~13,700 rpm for Ø100 mm discs
Available Grits	#12 to #400 (varies by type/model)