型号规格尺寸SCK-1818*30*7.7/5.8SCK-2020*32*7.7/5.8SCK-2525*37*7.7/5.8SCK-2828*40*7.7/5.8SCK-3030*42*7.7/5.8SCK-3232*44*8.7/6.8SCK-3535*47*8.7/6.8SCK-4040*52*8.7/6.8SCK-4545*57*8.7/6.8SCK-5050*62*8.7/6.8SCK-5555*69*10*7.7SCK-6060*74*10*7.7SCK-6565*79*10*7.7SCK-7070*84*10*7.7SCK-7575*89*10*7.7SCK-8080*94*10*7.7SCK-8585*99*10*7.7SCK-9090*104*10*7.7SCK-9595*109*10*7.7SCK-100100*114*10*7.7SCK-105105*121*12/8.7SCK-110110*126*12/8.7SCK-115115*131*12/8.7SCK-120120*136*12/8.7SCK-125125*141*12/8.7SCK-130130*146*12/8.7SCK-132132*148*12/8.7SCK-140140*160*14/9.7SCK-160160*180*14/9.