T8-T40 flangia tonda trapezoidale destra dado filettato dadi ottone passo 1-14 mm
T8 x 1mm T8 x 2mm T8 x 4mm T8 x 8mm T8 x 12mm T8 x 14mm T10 x 2mm T12 x 3mm T14 x 3mm. T40 x 6mm T40 x 8mm. 2, the use of rod cold extrusion, hot forging, CNC cutting processing, to ensure that the nut material, accuracy.