3M 7000045166 Quick-change Disc 1-1/2 in 36 Grit Ceramic

Product Description

The 3M 7000045166 is a ceramic-abrasive quick-change disc designed for high-speed material removal in metalworking, fabrication, and surface preparation applications. Part of the 3M 984F series, it features a 36-grit very coarse ceramic abrasive bonded to a polyester cloth (YF-weight) backing, delivering aggressive stock removal and extended disc life compared to aluminum oxide alternatives. The Type R Roloc TR attachment system allows rapid one-handed disc changes on compatible right-angle tools. This disc is rated to 30,000 RPM and is intended for use by metal fabricators, welders, maintenance technicians, and industrial grinding professionals working on ferrous and non-ferrous substrates.

This disc fits applications requiring fast, aggressive grinding or blending on weld seams, castings, forgings, and base metal prep. The 1-1/2 inch diameter suits tight-access areas and smaller right-angle die grinders. The ceramic grain self-sharpens under pressure, maintaining cut rate over the disc life without loading. It is sold individually with a minimum order quantity of 50 units, making it appropriate for shop stock or production-line replenishment rather than single-unit purchases.

Key Features

• 36-grit very coarse ceramic abrasive for aggressive stock removal
• Polyester cloth (YF-weight) backing provides flexibility and durability under load
• Roloc TR Type R attachment system enables fast one-handed disc changes
• 30,000 RPM maximum speed rating suits high-speed die grinders
• 1-1/2 inch diameter designed for confined or detail work areas
• 3M 984F series ceramic grain self-sharpens to maintain consistent cut rate

Compatibility

Compatible with Roloc TR (Type R) quick-change mandrels and right-angle die grinders equipped with a Type R attachment system. Verify tool RPM does not exceed the 30,000 RPM disc rating before use.

Installation Notes

Installation requires a Roloc TR-compatible mandrel and a right-angle die grinder or similar pneumatic or electric tool. Confirm the tool spindle speed does not exceed 30,000 RPM before mounting the disc. Always wear appropriate PPE including eye and face protection when operating abrasive discs. Inspect the disc for damage before each use and discard any disc that appears cracked, torn, or delaminated.