... :114.3~339.7mm,WT5.21~22.22mm(4 1/2"~13 3/8") Thread:(STC),(LC),(BC) Length ... aODWT End processing modeLength DTJ55L80N80-1\QP110m1- 2mmmmK55 1- 235791012 4-1/2”11.6114.36.35PSLBPSLBPSLBPSLB1,2,3,4,5,6…… ... 2,3,4,5,6……P—— blunt end ,S——STC,L——LC,B--------BCcommon difference OD common difference is+1% ... D~-0.5%DWT common difference is-12.5%