FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | 81348 |
GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE | 80244 |
GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE | 80244 |
THREAD CLASS | 2A |
WING SPREAD WIDTH | 0.750 INCHES MINIMUM |
LENGTH | 2.880 INCHES MINIMUM AND 3.120 INCHES MAXIMUM |
NOMINAL THREAD DIAMETER | 0.138 INCHES |
THREAD QUANTITY PER INCH | 32 |
SPECIAL FEATURES | BSLOTTED, ROUND HEAD MACHINE SCREW TOGGLE BOLTS ARE SELF-CONTAINED ANCHORING DEVICES W/TWO-PIECE, SPRING, SHEET METAL WINGS WHICH AUTOMATICALLY OPEN OR SWING INTO PLACE AFTER BEING PUSHED THROUGH AN OPEN HOLE ACCESSIBLE FROM ONE SIDE ONLY; TRUNNION NUT MATERIAL DIE CAST ZINC; WINGS ARE PIVOTED EITHER ON TRUNNION NUTS OR PINS AND HELD NORMALLY IN OPEN POSITION BY A SPRING PLACED INSIDE THE U OR CHANNEL SHAPE WING GROOVE; PROOF LOAD 175 LBS. MINIMUM |
MATERIAL | STEEL OVERALL |
SURFACE TREATMENT | ZINC OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,FE/ZN 5,TY3 ASSN STD ALL TREATMENT RESPONSES OVERALL |
STYLE DESIGNATOR | SPRING-WING, SHEET METAL, MACHINE SCREW |
THREAD SERIES DESIGNATOR | UNC |
NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND A CLASS AND 1 STYLE |
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER HAVING A WING OR WINGS MOUNTED ON THE BOLT HEAD OR ON A TRUNNION NUT. THE WING OR WINGS UPSET WHEN THE TOGGLE BOLT IS INSERTED IN A CONSTRICTED PASSAGE IN A HOLLOW WALL AND WHEN THE BOLT IS TIGHTENED, THE WING OR WINGS ASSUME A TRANSVERSE OR ATHWART POSITION. IT IS USED FOR SECURELY HOLDING FIXTURES OR DEVICES TO HOLLOW WALLS. |