Cutting Disc Set Dremel MM721 — Steel, 50 mm, 3 pcs

Dremel MM721 is a set of three 50 mm steel cutting discs designed for use with compatible Dremel rotary tools and the MM720 Multi‑Flex system. The discs are sized for compact, controlled cutting of thin metal workpieces such as sheet steel, light plate and small metal components. Their 50 mm diameter and steel construction make them suitable for hobby, repair and light fabrication tasks where precise, narrow cuts are required.

Advantages

The set includes three identical steel discs that offer consistent cutting performance on thin metal materials. Their compact diameter allows for better control in confined or detailed cutting areas, while the steel material provides durability for repeated use on sheet metal. These discs are compatible with the MM720 Multi‑Flex attachment, enabling safer and more stable operation when used with the correct rotary tool setup.

Suitable for

• Cutting thin sheet steel and light metal panels
• Hobby and model-making metal cutting tasks
• Small repair and modification jobs on metal parts
• Detail trimming where a narrow, controlled cut is needed

Key specifications

• Disc diameter: 50 mm
• Material: steel
• Quantity in pack: 3 pieces
• Designed for use with compatible rotary tool cutting systems (MM720 Multi‑Flex)

How to use

Install a disc on the rotary tool or on the MM720 Multi‑Flex attachment following the tool manufacturer’s mounting instructions and ensure the disc is secured before operation. Operate the rotary tool at the recommended speed for thin metal cutting and apply steady, light pressure—do not force the disc through the material. Move the tool smoothly along the cut line to achieve a controlled finish, and allow the disc to cool intermittently during extended cutting to avoid overheating.

Usage recommendations

Always wear appropriate personal protective equipment: safety glasses, gloves and hearing protection. Use the discs only for cutting metal materials compatible with steel cutting blades and avoid side‑loading or prying motions. Replace discs if they show signs of excessive wear, cracking or wobble. Follow the rotary tool and accessory safety guidelines provided by the manufacturer.