How to choose the right hole punch tool

For most sheet metal processing, there often comes a time when you will have to punch a hole through a piece of metal plate, such as mild steel sheet, stainless, galvanized sheet, copper bars, and like that. The tools and methods used to punch holes are almost as varied as the different types of metals out there. Here are some tips to make the hole punching task fast, easy and safely.

Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits for metal are manufactured to drill through a variety of materials, including wood and plastic. The least expensive twist bits are made of high-speed steel (HSS), and these basic bits are just fine for most metal-drilling tasks.

If you will be drilling some a holes with specified sizes, in a thick sheet, such as need a 17mm hole in 10mm of thickness of mild steel, or a 25mm hole in 20mm thick steel plate. In that case, twist drill machine will not be a good idea. That is why here comes hydraulic hole punch.

Hydraulic hole punching press machine is a type of punching machine, including two types: split type hydraulic hole punching machine and integrated electric hydraulic punching machine.

The split type hydraulic punching machine is composed of a hydraulic pump or an electric motor hydraulic pump and a hydraulic punching working head. Connecting by hydraulic oil hose, the oil hose has a hydraulic quick joint coupling connector, the seal is reliable and fast, and there is no directional restriction during operation, and the assembly and disassembly is convenient.

The one-piece electro-hydraulic punching machine is a combination of a pump and a punching head. It does not require a hydraulic oil pipe, and is more compact in design and structure. According to the type of motor, it is divided into a brush punching machine and a brushless punching machine. The brushless electric punching machine has obvious advantages in the life of the brushless motor.

In the markets, there are some models of split hydraulic hole puncher, mostly like SYK-8, SYK-8B, SYK-15, SYK-18, we call these SYK hydraulic hole punch driver tool, and another like CH-60, CH-70...let us call these CH hydraulic hole puncher.

SYK series suitable for thinner metal sheet, such as 1.5mm thickness, and max up to 3.5mm thick of mild steel based on a 100 hole punch die set. For thinner sheet, the hole size can be max up to 200mm. Of course, for bigger size hole punching, it is better to use powerful hole punching head.

There are groups of hole sizes for SYK series hydraulic hole punch driver.

Group A: 16mm, 20mm, 26mm,32mm, 39mm, 51mm.

Group B: 22mm, 27mm, 34mm,43mm, 49mm, 60mm.

Group C: 63mm, 76mm, 80mm,89mm, 100mm, 114mm.

Other sizes not listed on above, such as 25mm, 35mm, …, 125mm, 188mm… can be customized according to demand.

Except punch holes in round sizes, it can be easy to punch square hole, rectangular hole, oval hole or oblong hole.

Conventional square holes: 32mm*32mm, 45mm*45mm, 68mm*68mm, 92mm*92mm…

Rectangular hole: 28mm*48mm, 45mm*92mm, 50mm*71mm...

Other sizes can be customized according to demand.

SYK hydraulic hole punch driver tool kit often include:hydraulic hand punch pump, oil hose, punch ram, hole punch die, guide shaft.

Can be packed within plastic carrying case, or metal case.

If need to punch holes in thick material, such as steel sheet, iron plates, SYK hydraulic hole punch driver may not be a good choice. In this case, Jeteco tools CH series hydraulic hole punching machines are needed.

CH-60, suitable for max 10mm thick of copper row, 6mm thick of carbon steel plate. With 95mm of working width.

CH-70, suitable for max 12mm thick of copper plate or brass busbar, 10mm thick of carbon steel plate. With 110mm of working width.

Both of CH-60 and CH-70 hydraulic hole puncher, need to be operated by hydraulic pump, like hydraulic hand pump, electric motor hydraulic pump as power pack. Connected by hydraulic oil hose with joint connectors equipped on both ends.

It is used for hole punching in metal sheets such as angle iron, flat iron, copper and aluminum. It is especially suitable for field work in electric power, construction and other metal fabrication industries. Applicable to all kinds of drilling operations such as steel, iron, copper, aluminum plate, forming steel, channel steel, I-beam, etc. It is small in size, light in weight, easy to operate, labor-saving and quick punching.

If you will be punching a lot of holes, or need to punch through hard, abrasive metals like stainless steel or cast iron, Jeteco Tools heavy duty hydraulic hole punching press is needed.

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