PENTAIR VALVES & CONTROLS US LP | 15187 |
KUNKLE INDUSTRIES INC LONERGAN VALVE DIV | 75954 |
A HARDENED CYLINDRICAL FASTENER WITH MULTIPLE SPIRAL FLUTES ON ITS SHANK. IT ALSO HAS AN END SMALLER IN DIAMETER THAN THE OUTSIDE DIAMETER OF THE SPIRAL FLUTES, WHICH ACTS AS A PILOT WHEN DRIVEN INTO A DRILLED HOLE. |