Diamond Grinding Wheel EXO FREZ Z PIASKOWCA KULKA 3mm by EXO, model 141067

EXO FREZ Z PIASKOWCA KULKA 3mm is a diamond grinding/milling bit designed for shaping, finishing and fine-detail work on sandstone and similar masonry materials. The spherical 3 mm head allows controlled contouring, smoothing of edges and precise removal of local material. The tool is intended for use with rotary tools and die grinders where accurate stone carving and finishing are required.

Advantages

The diamond-impregnated spherical head offers consistent cutting performance and wear resistance on abrasive stone surfaces. Its small 3 mm diameter enables high-precision work in tight areas and on delicate profiles. The bit provides stable rotation and predictable material removal, reducing the risk of chipping or over-cutting when used at appropriate speeds and feed.

Suitable for

• Shaping and detailing sandstone ornaments and reliefs
• Edge finishing and rounding on masonry elements
• Local removal of material for fitting or repair work
• Small-scale stone carving and sculpting with a rotary tool or die grinder

Key specifications

• Head shape: spherical (ball)
• Head diameter: 3 mm
• Abrasive type: diamond-impregnated working surface
• Intended materials: sandstone and similar masonry/substrate materials
• Tool compatibility: rotary tools and die grinders

How to use

Secure the diamond grinding bit in the collet of a compatible rotary tool or die grinder according to the tool manufacturer’s instructions. Select a moderate rotational speed appropriate for stone work and hold the tool firmly. Apply light, steady pressure and use short, controlled passes to shape or finish the sandstone surface. Keep the bit moving to avoid concentrating heat in one spot; if necessary, use intermittent contact and allow the bit and workpiece to cool. Clean stone dust from the work area and inspect the profile frequently to achieve the required detail.

Usage recommendations

Use appropriate personal protective equipment: eye protection, dust mask or respirator rated for silica dust, hearing protection and gloves. When working with sandstone, operate in a well-ventilated area and consider wet or vacuum extraction methods to minimize airborne dust. Match rotational speed and feed rate to the material hardness and bit condition to prolong tool life and maintain finish quality.