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spring steel strip for making wiper blade

spring steel strip for making wiper blade
We produce spring steel strip for wiper blades use, instead of steel wire, in material grades spring steel ck67,sk5. Usual size is 0.8mm x 7mm and 0.8mm x 14mm in the production lines. Edge is treated with slitting, no burr. During the heat-treatment, the hardness is controlled between 45-50HRC, tolerance +/-2HRC for one coil. Coil type can be ribbon wound or Jumbo wound. We also accept other size if customers require.

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