hydraulic hole punches, including round, square and rectangular sizes hole punch dies. Suitable for cutting holes in steel sheet, metal plate, electric panels, and other metal processing.

Hole shape	Available sizes
Round	16mm, 20mm, 22mm, 26mm, 27mm, 32mm, 34mm, 39mm, 43mm, 49mm, 51mm, 60mm, 63mm, 76mm, 89mm, 100mm, 114mm.
Square	32mm*32mm, 45mm*45mm, 46mm*46mm, 68mm*68mm, 91mm*91mm, 92mm*92mm, 96mm*96mm, 113mm*113mm, 120mm*120mm, 151mm*151mm.
Rectangular	45mm*92mm, 112mm*36mm, 71mm*51mm, 145mm*55mm, 155mm*65mm, 115mm*80mm. 48mm*28mm, 50mm*27mm, 118mm*92mm, 68mm*36mmm, 96mm*46mm.
Others	make according requirements.

Hole punches are made by Cr40 steel material, CNC wire cutting, heat treatments, finally oxide black finiched.

Hole punches need to be operated by handheld hydraulic pump punch tool.

For special need, foot pump punch tool is available.

Punch tool unit	Basic information for quick understanding
Hand pump punch tool	1 meter length of oil tube as standard, 1.8 meter length is for optional.
Foot pump punch tool	1.8 meter length of oil tube, 15 ton of punching force.

The punching ram can be 3 kinds of pressure:

Force of punch ram	Recommended hole range
10 ton punching ram	round holes smaller than 61.5mm, square hole size smaller than 45mm*45mm.
15 ton punching ram	round hole size smaller than 114mm, square hole size smaller than 92mm*92mm.
30 ton punching ram	round hole size smaller than 258mm, square hole size smaller than 188mm*188mm.

For customized, electric motor hydraulic power pack is available for driving hole punches.