🌀 Dome End Abrasive Sanding Caps – For Precision Sanding & Detailing

CIBO Dome End Abrasive Caps are designed for precision sanding, finishing, and shaping in hard-to-reach curved areas on metal, wood, and plastic. These dome-shaped caps are ideal for intricate work in castings, fabrications, tool manufacturing, model making, and engine porting.

Crafted with high-quality aluminium oxide abrasive, they offer reliable performance on steel, cast iron, hardwood, and at reduced speeds, can also be used on aluminium alloys and plastics. The caps are designed to fit snugly over expanding rubber mandrels, available for 3mm or 6mm collets depending on tool size.

✅ Key Benefits:

• Domed end and cylindrical body for edge and surface contact

• Ideal for curved and contoured areas in castings and detailed work

• Compatible with expanding rubber mandrels (sold separately)

• Suitable for a wide range of materials:

  • Steel

  • Cast iron

  • Hardwood

  • Aluminium & plastics (at reduced speeds)

• Used in precision engineering, automotive porting, fabrication, and craftwork

🛠️ Common Applications:

• Finishing internal curves in cast parts and mouldings

• Sanding in tight or detailed areas where other abrasives can't reach

• Surface prep and blending in metal fabrication

• Model making and prototyping

• Automotive cylinder head porting

📐 Specifications:

• Shape: Cylindrical body with domed end

• Abrasive Type: Aluminium oxide (general-purpose blend)

• Use With: Expanding rubber mandrels (available separately)

• Collet Sizes:

  • 3mm or 6mm, depending on mandrel type

• Diameter: Internal measurement refers to cap inner fit size

• Pack Size: Supplied in packs of 100 caps

🔧 Compatibility:

• Use with rotary tools, air tools, and precision grinders

• Mandrel expands under centrifugal force to hold the cap securely in place

• Compatible with standard 3mm or 6mm collet tools depending on mandrel size

💡 Pro Tips:

• Operate at reduced speeds for plastics and soft metals to prevent clogging or overheating

• Always pair with the correct expanding rubber mandrel for optimal grip

• Use in confined spaces where flap wheels or larger abrasives can't reach

• Ideal for finishing work inside bores, slots, or radiused joints

Achieve flawless sanding and shaping in detailed curved surfaces with CIBO Dome End Abrasive Caps—perfect for metalworking, woodworking, and intricate finishing.

• Mandrels available here