I'm looking for 4 line trapezoidal screws. Specifications ØD : 12mm Ød : 9mm Ød1: 10.75mm Lead: 10mm Pitch: 2.5mm Screw line : 4 θ˚: 16.5˚ Material: SM20C Estimated order quantity For 1 lot, 1,000mm x min100~max200pcs We purchase Approx. 4 lots per year Please let me know if you have matching products. Thank you.