Constructed of nickel-chrome plated, 16-gauge steel to resist abrasion, plus all parts are interchangeable! Augers are 1-1/4” in diameter, have double twist with 2-1/4” pitch. The auger sections are 8” long with 4” shanks. Thread-on features 1/2” x 13 threads per inch. Tubes are designed to eliminate friction in the tube after cutting the sample. Samples may be unloaded from the tube without binding or compacting.
Contains 12” handle, 30” extension rod, and a 12” x 1-1/4” auger which is flighted 8”.
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