The TSS-JX-016 (20.5+19) iron square tube porous automatic high-efficiency drilling machine is designed and manufactured specifically for small distance drilling of iron square tubes for water heater accessories. The damping hydraulic system smoothly advances the drilling, and 15 holes can be automatically drilled in 6 seconds at once. The square tube diameter is 20MM, the drilling diameter is 5.3MM, and the drilling tube wall thickness is 2MM. The machine is equipped with two sets of drilling dies, which can be interchanged to drill distances of 20.5 and 19MM respectively. Widely used in the automatic porous drilling of metal iron copper pipes for gas water heaters and wall mounted boiler accessories in home appliance production enterprises such as Sakura, Bosch, Midea, Wanhe, Wanjiale, Huadi, Changqing, Yingxue, Shenzhou, Jinmeida, Yu'an, Baide, Wuzhou, etc. Equipped with automatic circulating drilling lotion spraying system and scrap iron recycling system. Efficient and convenient, environmentally friendly and energy-saving, saving labor costs, equipped with one click start stop switch, foolproof fully automated, easy to operate, convenient and safe!