Coffee Bean Test Sieves

Coffee Bean Test Sieves – Precision Sorting for Roasters and Labs

Product Description:

Achieve consistent coffee quality with our Coffee Bean Test Sieves, specially designed for grading green and roasted coffee beans. Built with durable stainless steel and precision-engineered mesh, these sieves ensure accurate size classification, helping roasters, traders, and labs maintain uniformity in every batch.

Key Features:

• High-Quality Material: SUS304 stainless steel frame and mesh

• Sieve Diameter: 200mm (8") / 300mm (12") optional

• Mesh Sizes: Standard hole sizes ranging from 4mm to 8.75mm

• Construction: Woven wire mesh or punched plate, food-safe and rust-resistant

• Compatible with: Green beans, roasted beans, and ground coffee (with finer mesh)

• Aperture Diameter	U.S. Sieve No.	Tolerance ISO 3310-2	Tolerance ISO 4150	Tolerance Blau-Metall
  2,80 mm	No. 7	± 0,11 mm	± 0,05 mm	± 0,03 mm
  4,00 mm	No. 10	± 0,13 mm	± 0,06 mm	± 0,02 mm
  4,75 mm	No. 12	± 0,14 mm	± 0,07 mm	± 0,03 mm
  5,00 mm	No. 12½	± 0,14 mm	± 0,07 mm	± 0,03 mm
  5,60 mm	No. 14	± 0,15 mm	± 0,07 mm	± 0,03 mm
  6,00 mm	No. 15	± 0,16 mm*	± 0,08 mm	± 0,03 mm
  6,30 mm	No. 16	± 0,17 mm	± 0,08 mm	± 0,04 mm
  6,70 mm	No. 17	± 0,17 mm	± 0,08 mm	± 0,05 mm
  7,10 mm	No. 18	± 0,18 mm	± 0,09 mm	± 0,05 mm
  7,50 mm	No. 19	± 0,19 mm*	± 0,09 mm	± 0,05 mm
  8,00 mm	No. 20	± 0,19 mm	± 0,09 mm	± 0,04 mm

  *The 6.00 and 7.50 mm opening sizes are not defined by ISO 3310-2 and tolerance values have been interpolated.

Applications:

• Coffee bean size grading for roasting profiles

• Quality control in coffee production and packaging

• Laboratory testing for bean distribution analysis

• Used by specialty coffee roasters, QC labs, importers/exporters

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What’s Included:

• 1x Coffee Bean Sieve

• Optional: Matching lid and bottom pan

• Custom logo engraving available