Industrial Precision Brushing Services

ISO9001 IATF16949 certified controlled abrasive brushing for deburring, edge radiusing and weld blending with consistent Ra/Rz surface roughness.

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ISO 14001:2015       ISO 9001:2015        IATF 16949:2016

Precision Brushing Production Overview

CustomParts-MFG provides professional industrial precision brushing finishing service complying with ISO 1302 surface roughness standards & ASTM finish specifications, fully certified ISO9001, IATF16949 & ISO14001. Our integrated automatic CNC, robotic and manual brushing lines deliver directional hairline, satin, cross-hatch & customized textured finishes, meanwhile realizing precision deburring, edge radiusing, weld seam blending and pre-coating substrate treatment for metals and high-performance engineering plastics. Closely connected with in-house CNC machining & post-plating/anodizing production lines, our brushing solutions serve aerospace, medical, automotive, semiconductor and hydraulic industries globally.

The precision brushing on these components is exceptional—it significantly improves both performance and durability in our assemblies.

Mr. Jessfer,Manager of Manufacturer Company

Four Core Brushing Processing Types & Functional Features

Automated Power & Inline Brushing

CNC rotary & continuous inline brushing equipment for large-volume batch production; stable feed speed ensures consistent Ra/Rz value for mass hardware deburr and uniform satin finishing.

Robotic Precision Brushing

Programmable multi-axis robotic brushing for complex 3D curved parts and irregular contours, greatly reduce manual error for automotive & aerospace precision components.

Skilled Manual Bench Brushing

Custom hand brushing for ultra-delicate prototypes, small-batch special parts and selective local finishing where automated equipment cannot reach.

Specialized Deburr & Edge Break Brushing

Controlled abrasive brushing to remove micro machining burrs and form smooth rounded edges, effectively reduce part fatigue risk during long-term operation.

Available Abrasive Brush Media & Compatible Base Materials

Available Abrasive Brush Media & Compatible Base Materials

Multiple Brush Filament Options

  • Abrasive Nylon Brush (Al₂O₃ / SiC grit): From coarse heavy deburr to fine satin finish with diversified grit sizes;
  • Metal Wire Brush (SS/Brass/Nickel Silver): For descaling, oxide removal and weld blending on tough metal surfaces;
  • Non-Woven Abrasive Brush: Uniform matte/hairline finish without deep scratch;
  • Natural/Synthetic Fiber: Ultra-fine surface cleaning and final polishing treatment.

Applicable Substrates

  • Metals: Aluminum, stainless steel, carbon steel, brass, copper, titanium & nickel-based alloys;
  • Plastics & Composites: PEEK, Delrin, Nylon, UHMW and custom engineered composite materials.

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Metal Brushing Standard Process

  • Pre-Project DFM Support: Define surface finish, masking and brush materials to control costs.
  • Surface Preparation: Remove oil and residues via ultrasonic cleaning and deburring.
  • Custom Brushing: Adopt suitable processes and abrasives for required surface textures.
  • Optional Post-Protection: Apply anti-tarnish treatment, nano film or cleanroom packaging.
  • Quality Inspection: Test surface roughness and edges; record SPC data in-house.

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Metal Brushing Standard Process
Brushing Core Industry Application Fields

Brushing Core Industry Application Fields


  • Aerospace & Defense: Engine components, landing gear fittings & missile parts deburr for stress elimination;
  • Medical & Surgical: Biocompatible brushed finish on implants, surgical cutters and diagnostic hardware;
  • Automotive & Racing: Fuel injector housings, transmission valves and high-performance engine components;
  • Semiconductor & Vacuum: Particle-free surface treatment for wafer carriers and vacuum chamber fittings;
  • Hydraulic & Fluid Power: Valve bodies, pump manifolds to remove internal burr and protect sealing assembly.


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One-stop Integrated Brushing Service Advantages


  • Full closed in-house production chain: Raw material → CNC machining → brushing → post-treatment → finished packaging under single vendor control;
  • Flexible production schedule: From small prototype sampling to large annual bulk contracts with JIT on-time delivery;
  • Free pre-production sample verification: Complete test brushing + formal finish inspection report before mass order confirmation;
  • Complete batch documentation: COC certificate, roughness test datasheet and full process traceability provided per shipment.


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One-stop Integrated Brushing Service Advantages
Quality Assurance in Brushing

Quality Assurance in Brushing

Quality assurance for brushed surfaces ensures compliance with engineering requirements through verified texture, edge geometry, and process control.

  • Surface roughness testers (Ra, Rz) confirm texture consistency.
  • Optical comparators and microscopes inspect edge radius and scratch uniformity.
  • Tactile and visual standards align with customer samples or drawings.
  • Process capability studies (Cpk) monitor brush wear in high-volume operations.
  • Certificates of conformance with roughness data are provided per lot or serial number.

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Get Started with a Free Brushing DFM

We provide a complete in-house solution that takes your part from raw material or supplied stock to a precision-brushed finish—ready for installation—under a single PO, quality standard, and point of contact.

  • Single-vendor solution covering sourcing, machining, thermal processing, brushing, cleaning, and shipping.
  • No inter-vendor transport delays between deburring and finishing.
  • Eliminates mismatched surface specifications.
  • One purchase order, one quality standard, one contact person.
  • Parts arrive ready for installation or final assembly.

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Get Started with a Free Brushing DFM

FAQs About Brushing

What is industrial precision brushing finishing?

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A: Controlled abrasive brushing technology to remove burr, blend weld marks and customize directional hairline/satin surface, improve part aesthetics and pre-coating bonding performance.

What finish textures can you customize?

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A: Straight hairline, cross-hatch, uniform satin, matte and customer exclusive custom grain patterns with controllable Ra range.

Can brushing process both metal and engineering plastic?

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A: Yes, we match dedicated brush grit and process parameters for different metal alloys & high-performance plastics.

Do you support small prototype brushing trial?

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A: Available for low-volume prototype validation to confirm surface effect before large-scale production.

What are the advantages of brushing over other finishing methods?

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A: Brushing offers controlled material removal without altering part dimensions significantly. It is cost-effective for medium to high volumes, provides repeatable results, and can create unique directional or decorative finishes.


Will brushing cause obvious dimensional loss?

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A: Micro-controlled material removal, DFM pre-calculated machining allowance to keep finished part within original tolerance.

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