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COPKO Hand Operated Plate Share
Bar and Section Steel Shearing Machine

COPKO Shearing Machine Model 3S/5R & 3S/6R

shearing machine 3S/6R

Model 3S/5R & 3S/6R Plate & Steel Shears are designed for a wide field of applications. Light and easy efficient operation, yet very sturdy in construction.

  • The formed body is made of open-hearth SM steel plates.
  • The cutting blades fitted are carefully and accurately ground to give easy, clean quick cuts free of burrs even after using for long time.
  • These special features help the operators save a great deal of their energy.

Subject to design alteration for improvement.
This shearing machine is equipped with a  well design toggle-lever power transmission, strong hold-down and lever retaining spring which prevents hand lever from falling and also acts as a counter balance for the dead weight of the lever.

กรรไกรตัดเหล็กแผ่น เหล็กแบน 3S/6R

Model
Model 3S/5R 
Model 3S/6R
Model 3S/4L
 Tensile Strength of
45 kp/mm2
45 kp/mm2
45 kp/mm2
 SHEETS
5 mm.
6 mm.
4 mm.
3/16 inch
1/4 inch
5/32 inch
 FLAT 
70 x 6 mm.
70 x 7 mm.
70 x 7 mm.
2 3/4 x 1/4 inch
2 3/4 x 9/32 inch
3 3/4 x 9/32 inch
 ROUND
10 mm.
13 mm.
13 mm.
7/16 inch
1/2 inch
1/2 inch
 Blade Length
160 mm.
200 mm.
300 mm.
6 1/4 inch
8 inch
12 inch
 Net Weight
9 kgs.
20 kgs.
27 kgs.

COPKO Shearing Machine Model 4S/8R

shearing machine 4S/8R



Model 4S/8R Plate & Steel Shears is ideal for the medium size workshop due to its efficient and versatile users.

  • Being easily transportable, this model can also be used at site.
  • The body is formed from a single piece of SM steel plate.
  • Perfect passage of plate with uniform cutting clearance along the entire length of the blade gives reliable cuts free of burrs.
  • Changing of blade simple and faster by loosening of two screws.
  • The footplates are reinforced with bracing angles so that they give firm stability to the shear.

Subject to design alterations for improvement.
This shearing machine is equipped with a well design and accurately machined forged toothed lever drive power transmission, adjustable shearing part, vertical hold-down adjustable to any desired thickness of materials to be cut and lever retaining spring which is in conformity with safety requirements.

กรรไกรตัดเหล็กแผ่น เหล็กแบน 4S/8R

 Model 4S/8R
 Tensile Strength of
45 kp/mm2
 SHEETS
8 mm.
5/16 inch
 FLAT 
100 x 10 mm.
4 x 3/8 mm.
 ROUND
22 mm.
7/8 inch
 SQUARE
18 mm.
23/32 inch
 Blade Length
200 mm.
8 inch
 Net Weight
40 kgs.

COPKO Shearing Machine Model 5S/8R

shearing machine 5S/8R


Model 5S/8R Plate & Bar and section Shear is an economical, efficient and reliable piece of equipment in a workshop engage in the field of civil engineering construction and fabrication in particular.

  • The machine body, constructed from open-hearth SM steel plates, is neither formed nor riveted but electrically welded together to make it a sturdy stable unit capable to withstand highest stresses due to heavy duty usage.
  • The footplates are reinforced with bracing angles so that they give firm stability to the shear.
  • The slide securing the blade is milled from a solid SM steel plate.
  • Horizontal swiveling down-holder adjustable to any desired thickness of materials to be cut.
  • Down holder for sections adjustable to each size of section.
  • The machine is provided with section knives with sliding blades which can be adjusted by hand to make 90 cuts on angels and T-sections of different sizes as well as with openings for cutting round and square bars.
  • The shear knives can be changed by loosening two screws each.
  • The section knives are designed as insert knives. To change them, only four screws have to be removed to pull the blades easily out of the machine body.

Subject to design alterations for improvement.
This shearing machine is equipped with a rack and pinion drive which is made of forged steel and accurately machined. Transmission of power to the slide is made by means of drive bars. The drive bars have two holes. The connecting bolt between bars and slide can be reversed so that the rear hole can be used for heavy materials and the front hole of light materials. A lever retaining spring to prevent the hand lever from falling and holding it safe in any position is provided.

 Model
 Model 5S/8R
 Model 5S/10R
 Tensile Strength of
45 kp/mm2
45 kp/mm2
 SHEETS
8 mm.
10 mm.
 FLAT 
80 x 12 mm.
90 x 14 mm.
 ROUND
20 mm.
22 mm.
 SQUARE
18 mm.
20 mm.
 Ls Rectangular cut in 1 operation
50 x 6 mm.
60 x 7 mm.
 Ts Rectangular cut in 1 operation
50 x 6 mm.
60 x 7 mm.
 Blade Length
175 mm.
175 mm.
 Net Weight
82 kgs.
106 kgs.

COPKO Model 6/25

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