Norton 66243427831 Cutoff Wheel 1-1/2 in Aluminum Oxide

Product Description

The NORTON 66243427831 is a Type 1 (flat) aluminum oxide cutoff wheel designed for use with die grinders in metal cutting applications. Measuring 1-1/2 inches in diameter and 0.035 inches thick with a 1/8 inch arbor hole, this wheel is built for tight-clearance cuts where larger abrasive discs cannot reach. It runs at a maximum rated speed of 40,745 RPM and features a resinoid bond with sides reinforced construction to resist shattering under lateral load. At 60 grit, it delivers controlled stock removal on steel. Licensed tradespeople and maintenance technicians working on pipe, fasteners, welds, and structural steel components will find this wheel well suited to precision cutoff work in confined spaces.

This cutoff wheel is intended for use with die grinders performing cutoff and slotting operations on steel workpieces. Its compact 1-1/2 inch diameter makes it a standard choice for work inside enclosures, on threaded rod, bolt heads, and small-diameter pipe or conduit. Typical install and service scenarios include electrical, HVAC, plumbing, and mechanical trades where fieldwork requires a compact rotary cutoff tool. The wheel specification code A60-OBNA2 identifies the abrasive type, grit, hardness grade, and bond system per standard abrasive wheel nomenclature.

Key Features

• Type 1 flat wheel profile for straight cutoff and slotting operations
• Aluminum oxide abrasive grain rated for cutting steel
• Resinoid bond with sides reinforced construction for durability under load
• 40,745 RPM maximum rated speed compatible with standard die grinders
• 60 grit for controlled, efficient stock removal
• 1-1/2 inch diameter and 1/8 inch arbor hole for compact die grinder spindles

Compatibility

Designed for use with die grinders accepting a 1/8 inch arbor and capable of operating at or below 40,745 RPM. Intended for cutting steel workpieces per the A60-OBNA2 specification designation.

Installation Notes

Mount and operate this wheel only on a die grinder rated at or below the 40,745 RPM maximum stamped on the wheel. Always inspect the wheel for cracks or chips before mounting and never use a damaged wheel. Operators should wear appropriate eye protection, a face shield, and gloves in accordance with ANSI B7.1 and applicable shop safety requirements. Secure the workpiece before cutting and keep bystanders clear of the wheel plane.