Dremel 457 Rotary Tool Accessory

Precision ground rotary tool accessories designed for quick, consistent sharpening of chainsaw blades. The Dremel 457 accessory set includes three grinding stones with a 3.2 mm shank and 4.5 mm head diameter, compatible with rotary tools that accept this shank size and with the Dremel chainsaw sharpening attachment No. 1453. With a length of 49 mm and a maximum safe rotational speed of 30,000 RPM, these accessories are intended for accurate material removal and uniform edge shaping.

Advantages

The Dremel 457 grinding stones are precision-ground for repeatable sharpening results and fit standard 3.2 mm shank collets. Their 4.5 mm diameter and 49 mm length provide good reach and control when used with a rotary tool and the recommended chainsaw sharpening attachment. Supplied in a pack of three, they offer spare parts for multiple sharpening sessions and reduce downtime during maintenance.

Suitable for

• Sharpening chainsaw blades with Dremel chainsaw sharpening attachment No. 1453
• Precision grinding and edge shaping on small metal cutters
• Maintenance tasks requiring a 3.2 mm shank rotary accessory

Key specifications

• Brand: Dremel
• Model / MPN: 26150457JA
• EAN: 8710364045013
• Shank diameter: 3.2 mm
• Accessory diameter: 4.5 mm
• Length: 49 mm
• Pack quantity: 3 pieces
• Maximum rotational speed: 30,000 RPM

How to use

Install a Dremel 457 grinding stone into the rotary tool collet designed for a 3.2 mm shank and secure it according to the tool manufacturer's instructions. Attach the Dremel chainsaw sharpening attachment No. 1453 to the rotary tool if sharpening chainsaw blades; align the stone with the cutter tooth and run the tool at an appropriate speed, not exceeding 30,000 RPM. Apply light, steady pressure and make uniform passes along each cutter until the desired edge geometry is achieved. Replace the accessory when worn.