产品规格：1.M4*5*P0.5*A30-CK1

2.M5*7*P0.5*A30-CK2

3.M6*8*P0.75*A30-CK3

4.M8*11*P0.75-A30-CK4

5.M10*14*P1.0-A30-CK5

6.M12*18*P1.0-A30-CK6