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Technical Requirements for bolt cutters
May 15, 2018

Hardness requirements

Blade's edge hardness is not less than HRC53.

Bolts, platen, center shaft hardness hrc33-40.


The surface of the parts should not have cracks, rust and harmful scars, burrs and other defects.

Where the surface treatment of the parts, must be uniform color, no obvious spot scars, hemp points, omissions, bubbles, peeling and flow marks. The blade edge of the two bevel surface roughness Ra is not more than 3.2um, the other cutting parts of the blade surface roughness Ra is not more than 6.3um.

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