... 8'' to 5'' Thickness:9.19mm Length:R1,R2,R3 Shijiazhuang LongWay Petroleum Drill Tolls Co., Ltd which ... 7/8'' to 5''Thickness:9.19mmLength:R1,R2,R3 The detail infermation about our products are as ... S135; E75;R780; X95; DZ40;DZ50ODFrom 50mm to 127mmLengthR1; R2; R3UpsetEU; IU; IEU Usageoil exploitation; projects of mine blasting ... ,200XT,300XT,BOTN3000,ARMACORMLengthR1:5.49-6.71m R2:8.23-9.14 R3:11.58-13. ...