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cnc blocks with bead blasted surface finish

CNC Glass Bead Blasting Services

We offer glass bead blasting services, ideal
for both CNC metal and plastic parts

Rapid prototyping
and full-scale production
ISO accredited
& QC checks
All in-house
Used in over
50 countries
FREE Instant

Applicable toGlossinessAppearance
Metals, PlasticsSatin, Matte

Uniform matte of raw material colour

Glass Bead blasting

Bead blasting adds a uniform matte or satin surface finish on a machined part, removing the tool marks. In glass bead blasting, round glass beads in various grain sizes are used instead of sharp-edged sand.

cnc machined metal piece with a bead blasted finish

Media or Bead Blasting

Bead blasting is also called “media blasting” because it can use a variety of different media depending on your end goal. The media blasting finishing options available at HLH include glass bead blasting and sandblasting.

bead blasting services with different grits
cnc blocks with bead blasted surface finish

Why Use Glass Bead Blasting?

Glass Bead Blasting vs Sandblasting

Glass Bead blasting is a process similar to sandblasting, but the air pressure used is much lower, making it a slower and gentler process. As it is much gentler, it does a successful finishing job without causing damage to your parts.

Main advantages of glass bead blasting

  • Affordable finishing option
  • Helps remove CNC machining tool marks
  • Helps remove cosmetic defects
  • Improves cosmetic appearance
  • Preps cnc part for paint and other coatings

Glass Bead Blasting FAQs

Glass bead blasting and sandblasting are both forms of bead blasting finishes. They are both great ways to remove contaminants from CNC surfaces. The main difference between the two is that sandblasting uses sand particles while glass bead blasting uses small glass beads.

Sandblasting creates a rougher finish and is better suited for matte finishes on metal surfaces, while glass bead blasting produces a smoother finish with more defined edges.

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