... PDC drillable 3) Thread: BTC/ LTC / STC 9- 5/8" casing float shoe & float collarA rounded profile component attached ... be recycled. FLOAT SHOE FLOAT COLLARThe shell material N80 / P-110 / K55 ; Working Pressure 5000 PSI The normal specifications ... -3/8" float collar N80, 68 ppf, BTC 9-5/8" float collar N80, 47 ppf, BTC 7" float ... collar N80, 29 ppf, BTC 9 5/8" casing float shoe and float collar