Oakfield Model A 36” Auger Tube Kit

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, two 12” extension rods, 12” x 1-1/4” auger which is flighted 8”. Also includes a 12” tube with screw-in (S-2) tip which extracts a 8”L x 13/16”dia. sample from moist soil.