Features & Specifications OSC/Japan Tungsten Carbide Lead Wire Cutter produced in our company is a final product which adopt high quality carbide material, by special sharping, vacuum sintering, precision grinding and polishing. The cutter can cut off lead wire welded ends of printed circuit board under high speed. OSC product: Excellent wear resistance, High toughness upon shearing. Technical Performance: Hardness: 89~90HRA Bending Strength: 230~280kg/cu.mm Specific Gravity: 14.4~14.8g/three cu.mm Surface finish for both faces: Ra.0.4um Surface finish for cutting edge: Ra.0.4um Size available: D200(8") - T3.5 - d70mm D250(10") - T3.5 - d70mm