Extractor frame universal screw-type comprises of a frame designed for screw jack operation, one each of the adaptors for 38mm, 75mm, 100mm, 150mm diameter specimens, and a stand to obtain simultaneously three 38mm dia samples from one 150mm dia sample. Extractor frame universal screw-type adaptor plate which slides along the slotted support can be claimed at any desired position by means of locking nuts. Besides this, the tube or mould can be held in position by raising the tube guides and held in position with locking screws, and lead screw movement can be stopped at any position tightening to the lead screw collar. Plunger adaptor for 200mm dia samples. Adaptor plate with 200mm diameter hole and device to extract b number 38mm dia. Samples.