For sampling, classification and ASTM standard tests.

Sieves in all popular sizes and configurations.

Looking for testing sieves? M&L stocks an extensive offering of testing sieves for use in all types of sieve testing applications, from sampling and classification of soils, aggregates and other powdered and granular materials to specific ASTM standard tests. We maintain a large stock of 8" and 12" testing sieves in both full and half heights for quick turnaround, as well as keeping a large inventory of other sieve sizes and frame and mesh configurations. Our testing sieves are of the highest quality to ensure consistent fit, accurate specifications and durable construction. All our sieves comply with ASTM E11 and AASHTO M92; and, are given individual serial numbers for traceability. Certified testing sieves are also available as an option, please inquire.


Humboldt test sieve products are produced in a variety of diameter sizes, in both brass and stainless steel. Sieves are available with brass frame and mesh, brass frame with stainless steel mesh or stainless frame and mesh. Brass sieves are cost efficient while stainless sieves tend to last longer and have sag-resistant mesh screen. The sieve frames are seamless spun brass or stainless steel with rigid rolled edges and extended bottoms (skirts) to ensure a good fit between frames, pans and separators of the same diameter; and ensuring that your set of testing sieves stacks properly. All Humboldt testing sieves include a permanently attached metal plate that includes the sieve number, micron size and the nominal opening in millimeters and inches. Sieve covers, bottom pans and separator pans are also in stock and ready for shipment. We carry an extensive inventory of testing sieves in all popular sieve sizes and screen mesh/frame material configurations. Browse our selection of sieve shakers, sample splitters, specific gravity equipment, etc. If you don't see a piece of equipment that will fit your specific test requirements, please contact us by using our Contact Form or E-mail us @ This email address is being protected from spambots. You need JavaScript enabled to view it..

Testing Sieves





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