... ,M16 Carbon steel Indexing plungers with new typeIndex plunger, spring loaded plunger, indexing plunger, - Black oxided steel and stainless steel body- ... -oxide steel flange is available to assemble the plunger to the machine SANKQ specialized in manufacturing professional ... position indicators, indicators, bakelite handle and knob, lobe ball knobs with brass insert, long knobs,adjustable handle , ...