Rotary burr GRAPHITE 55H375 — single piece, 36 g, model V31AC-TOP-55H375

GRAPHITE 55H375 rotary burr, single piece (36 g), model V31AC-TOP-55H375, is a cemented carbide rotary cutting tool for material removal, shaping and deburring. Designed for use with straight die grinders and compatible rotary tools, this ogival-sharp (type G) burr has a 12 x 25 mm working head and double notches for efficient chip evacuation. Intended for machining metal, aluminum and plastics, the tool provides consistent cutting performance and is sized for medium-speed operation.

Advantages

The cemented carbide construction gives the burr high hardness and resistance to abrasive wear, extending service life even under heavy use. Double notches provide effective removal of chips and reduce loading on the cutting edges, producing small chips that help maintain cutting efficiency. Precision manufacturing ensures stable performance and predictable material removal when shaping, finishing edges or cutting cavities.

Suitable for

• Deburring and chamfering metal and aluminum parts
• Shaping and profiling plastics and composite materials
• Material removal and slotting in light to medium applications
• Finishing edges and cleaning welds in fabrication work

Key specifications

• Working head shape: ogival (type G, sharp)
• Head dimensions: 12 x 25 mm
• Material: cemented carbide
• Cut geometry: double notches for chip evacuation
• Recommended speed range: medium-speed operation
• Tool weight: 36 g (single piece)
• Intended use with straight die grinders (not for use with hand-held drills)

How to use

Mount the rotary burr securely in the collet of a straight die grinder that matches the burr shank. Operate the grinder at medium speeds appropriate for the 12 x 25 mm head size and the material being machined. Apply steady, controlled contact with the workpiece and avoid excessive lateral pressure to prevent premature wear. Use sweeping motions to shape and deburr, and allow the double-notched geometry to evacuate chips. Stop periodically to inspect the cutting status and clear any accumulated debris.

Usage recommendations

Use appropriate personal protective equipment including eye protection, gloves and respiratory protection as needed. Secure the workpiece and maintain stable tool handling. For best results on metals and aluminum, maintain medium rotational speeds and avoid overheating the burr or the workpiece. Replace the burr when cutting performance decreases significantly.