GUILD ASSOCIATES, INC. | 4X630 |
MCMASTER-CARR SUPPLY COMPANY | 39428 |
A HARDENED, EXTERNALLY-THREADED FASTENER WITH A SELF-DRILLING POINT. IT DRILLS, TAPS AND FASTENS AND MAY HAVE A MACHINE SCREW THREAD OR A NONMACHINE SCREW THREAD. THE THREADS USUALLY EXTEND FROM BEHIND THE PILOT TO THE BEARING SURFACE OF THE HEAD. |