USA Standard Sieve Series
By Humboldt Mfg.
Frames of seamless spun brass with rolled edges and stainless steel mesh. Extended bottoms fit all frames, pans or separator bottoms of the same diameter so a set of sieves can be stacked. USA Standard Sieves are available in both full and half height, 8" diameter. All sieves meet ASTM E11, AASHTO M92, ANS Z23.1, RR-S-366d standards. 3-, 5-, 6-, 10-, and 12-inch diameters are also available; contact Krackeler Scientific for more information.