Value Collection M-32 Screw Lock Wheel Mandrel

Product Description

The VALUE COLLECTION M-32 is a screw lock wheel mandrel designed to mount abrasive grinding wheels and cutting discs on rotary tools and die grinders. The screw lock mechanism secures the wheel firmly during operation, reducing slippage and maintaining concentricity under load. Key dimensions include a 2-inch overall length, a 3/8-inch shank diameter for chuck compatibility, and a 1/4-inch hole size to fit standard small-diameter abrasive wheels. The 3/4-inch head and washer diameter provides adequate clamping surface across the wheel face. This mandrel suits bench-top and handheld rotary applications where consistent wheel retention is required.

The M-32 is intended for use in metalworking, fabrication, and maintenance applications where small abrasive wheels must be driven by a rotary tool or die grinder. Typical install scenarios include deburring, surface grinding, and cut-off work on metal stock. The 1/4-inch maximum wheel width limits use to thin cut-off wheels and narrow grinding discs. This mandrel is a standard shop consumable stocked and replaced by machinists, tool-and-die workers, and maintenance technicians.

Key Features

• Screw lock connector type secures abrasive wheel without additional hardware
• 3/8-inch shank diameter fits standard die grinder and rotary tool chucks
• 2-inch overall length provides reach in confined grinding applications
• 1/4-inch hole size accommodates standard small-bore abrasive wheels
• 3/4-inch head and washer diameter distributes clamping load across the wheel face
• Compact 0.1-pound weight minimizes added mass to the tool assembly

Compatibility

Designed as a replacement or spare screw lock wheel mandrel for rotary tools and die grinders accepting a 3/8-inch shank, compatible with abrasive wheels rated for a 1/4-inch arbor hole and up to 1/4-inch width.

Installation Notes

Installation is performed by machinists or maintenance technicians using a standard chuck key or collet wrench appropriate to the host tool. Ensure the rotary tool or die grinder is fully powered down and unplugged before mounting or removing the mandrel. Thread the abrasive wheel onto the screw lock mechanism finger-tight, then snug securely before operating. Inspect the wheel for cracks or damage before each use in accordance with ANSI B7.1 abrasive wheel safety standards.