FH-128 Square tube swagging machine is a special hammering pipe shrinkage machine designed and manufactured with reference to the structure of imported similar products and specially designed to meet the special structure of high density requirements of hot runner heating pipes. The machine can shrink square tube, rectangular tube, elliptical tube, etc. It is an ideal machine for repairing hot runner heating tube. Commonly used specifications: 4.2*2.2, 3*3, 3*2, 6*6mm, etc. or customer-specified specifications, power: 4KW.