Metal spacer is used on slitter shaft to adjust different distance between slitting knife according to needed width of coiling strips. Same high pricision as slitting knife's; Reasonable price, not as expensive as knifes; Wear resistance, but lighter for machine shaft to ensure higher precision of slitting strip and easier assembling. Detailed parameters: 1. Basic size (ODxIDxTmm): 140x100xT 2. Material: 65Mn 3. Hardness: 48-58HRC 4. Tolerance of Thickness: +/-0.002mm 5. Burr-free 6. Roughness: Ra0.2/ Ra.04
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