SIC Cup Brush
SIC Cup Brush
SIC Cup Brush
SIC Cup Brush
SIC Cup Brush

Silicon Carbide Abrasive Filament Cup Brush with Handle | Clampable Design for Aggressive Surface Finishing

LONGGUANG currently has more than 3,000 industrial brush products, covering all industries such as auto parts, mechanical parts, hydraulic parts, etc. Our products are widely used in the polishing, de-rusting, and deburring of metal parts processing; metal sheet, strip cleaning, grinding, descaling; finishing of textile, printing, and dyeing leather products, sanding; dust removal, grinding and coating of paper and artificial boards Glue; cleaning, polishing, deburring of circuit boards; cleaning of glass and LCD substrates; cleaning and descaling of pipes; sealing and dust proofing of furniture, storage, and machinery.

Model: Customized as your request

Product Origin: Shanghai, China

Shipping Port: Shanghai Port, China

Payment: TT

Lead Time: 15-30 days after receiving your deposit

Product Name:
Silicon Carbide Abrasive Filament Cup Brush with Handle

Product Size:
Customizable according to customer requirements – cup diameter, trim length and handle specifications fully tailored

Material Composition:

  • Filament Material: Silicon carbide (SiC) abrasive filament – provides aggressive cutting action for ferrous metals and hard alloys

  • Handle Material: Steel – designed for secure clamping in tool holders and fixtures

Product Features:

  • Silicon carbide abrasive performance – high hardness and sharp cutting edges deliver aggressive material removal on ferrous metals, cast iron and hard alloys

  • Clampable steel handle – straight steel shank designed for secure clamping in tool holders, drill chucks, collets and custom fixtures

  • Cup brush configuration – wide contact area for efficient surface cleaning, deburring and finishing on flat and contoured surfaces

  • Aggressive cutting action – SiC abrasive provides fast material removal for demanding applications

  • Customizable dimensions – cup diameter, filament trim length and handle size tailored to specific application requirements

  • Secure handle clamping – steel shank allows reliable mounting in various tool holding systems

  • Versatile application – suitable for deburring, descaling, rust removal and surface conditioning

  • Durable construction – robust design for continuous industrial use

Applicable Scenarios:

  • Metal surface deburring – removing burrs from steel, cast iron and hard alloy workpieces

  • Rust removal – stripping rust from metal surfaces and structural components

  • Scale elimination – removing mill scale and oxidation from hot-rolled steel

  • Weld cleaning – cleaning weld seams, removing spatter and slag

  • Surface preparation – preparing metal surfaces for painting, coating or further processing

  • CNC machine finishing – mounting in CNC tool holders for automated operations

  • Power tool applications – clamping in drills, die grinders and other rotary tools

  • Heavy-duty surface conditioning – aggressive surface treatment in fabrication and maintenance operations

What Makes Silicon Carbide Cup Brush with Handle Different?

Our Silicon Carbide Abrasive Filament Cup Brush with Handle combines the aggressive cutting power of SiC abrasive filaments with a cup brush configuration and a steel handle designed for secure clamping. The cup shape provides wide surface contact, while the steel shank allows versatile mounting in tool holders, chucks and fixtures.

Silicon Carbide Abrasive Performance:

SiC abrasive provides high hardness and sharp cutting edges, making it highly effective for aggressive material removal on ferrous metals:



Application SiC Performance
Steel deburring Excellent – fast cutting
Rust removal Excellent – aggressive stripping
Scale elimination Excellent – breaks through heavy scale
Weld cleaning Excellent – removes spatter and slag

Clampable Steel Handle Design:

The steel handle is specifically designed for secure clamping in various tool holding systems:

  • Tool holder collets on CNC machines

  • Drill chucks on power tools

  • Custom fixtures on automated equipment

  • Quick-change tooling systems

Cup Brush Configuration for Wide Surface Contact:

The cup shape provides a broad working face that efficiently covers larger surface areas compared to end brushes. This makes it ideal for:

  • Cleaning and finishing flat surfaces

  • Working on contoured and curved surfaces

  • Processing large workpieces efficiently

Cup Brush vs. End Brush vs. Wheel Brush



Feature Cup Brush (This Product) End Brush Wheel Brush
Contact area Wide Narrow Variable
Best for Flat/contoured surfaces Tight spaces, blind holes Large flat surfaces
Handle style Straight clampable shank Straight shank Center hole or arbor
Surface coverage Efficient Limited Very wide

Key Applications in Detail

Metal Surface Deburring
SiC abrasive cup brushes are widely used for deburring steel and cast iron components after machining. The wide contact area allows efficient processing of large surfaces, while the clampable handle provides secure mounting in CNC tool holders.

Rust and Scale Removal from Steel Surfaces
Heavy rust and mill scale on steel plates and structural components require aggressive action. The SiC abrasive delivers the cutting power needed, and the cup shape efficiently covers large areas. For deburring applications on machined parts, see our deburring industrial brushes.

Weld Seam Cleaning
After welding, slag, spatter and oxidation must be removed from weld seams. The cup brush with clampable handle provides precise control for weld cleaning while the SiC abrasive quickly removes contaminants. For sealing applications on machinery, see our sealing industrial brushes.

Surface Preparation for Coating
Proper surface preparation is essential for paint and coating adhesion. The cup brush provides aggressive surface conditioning that creates the required surface profile. For pipe and tube internal cleaning, explore our industrial pipe cleaning brushes.

Customization Options for Your Specific Application:



Parameter Customization Options
Cup diameter Tailored to workpiece size and access requirements
Trim length Short for rigidity, long for flexibility
Handle diameter Matches tool holder or chuck size
Handle length Extended for deep access
Filament density Sparse for gentle action, dense for aggressive cutting
Grit size Coarse for heavy removal, fine for finishing

For Related Cup Brush Products

For standard cup brush series, see our Cup Brush Series.

For steel wire cup brushes for aggressive cleaning, explore Steel Wire Cup Brush.

For twisted knot cup brushes for heavy-duty applications, check Twisted Knot Cup Brush.

For abrasive nylon cup brushes for finishing, see our custom cup brush options.


Frequently Asked Questions (FAQ)

Q1: What is the advantage of silicon carbide abrasive for cup brush applications?

A1: Silicon carbide (SiC) provides high hardness and sharp cutting edges, delivering aggressive material removal on ferrous metals, cast iron and hard alloys. It is ideal for rust removal, scale elimination and weld cleaning where fast cutting action is required.

Q2: How does the clampable steel handle work?

A2: The steel handle is a straight shank designed for secure clamping in tool holders, drill chucks, collets and custom fixtures. This provides reliable mounting for both automated CNC operations and handheld power tool applications.

Q3: What is the difference between cup brush and end brush configurations?

A3: Cup brushes provide wide contact area for efficient processing of flat and contoured surfaces. End brushes have narrow contact area, making them better suited for tight spaces, blind holes and recessed areas. Choose cup brush for surface coverage; choose end brush for confined access.

Q4: Can this brush be used in CNC machining centers?

A4: Yes, the clampable steel handle allows secure mounting in CNC tool holders. The SiC abrasive provides consistent cutting action for automated deburring and finishing operations, and the cup shape efficiently covers workpiece surfaces.

Q5: How do I select the correct cup diameter and trim length?

A5: Cup diameter should match your workpiece size and access requirements – larger for wide surfaces, smaller for tight areas. Trim length affects rigidity – shorter trim provides more aggressive cutting, longer trim offers more flexibility. Contact us with your workpiece specifications for recommendations.


Ready to Improve Your Aggressive Surface Finishing Operations?

Contact our engineering team today to discuss your specific deburring, rust removal or surface preparation requirements. We can design and manufacture custom silicon carbide abrasive filament cup brushes with clampable handles to fit your existing tools and equipment specifications.

Contact us for technical recommendations and custom manufacturing quotes. Provide your application details, workpiece material and tool specifications for a prompt engineering review.

Browse our full industrial brush solutions for additional deburring and finishing applications, or explore our custom industrial brushes manufacturing capabilities for other specialized requirements.

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