FIELD: machine building.
SUBSTANCE: invention relates to insulators fasteners. Holder (1) of insulation material board on fastening base (6) comprises thread (4) for screwing in insulation material board and expansion anchor (2) to be secured at fastening base. Thread (4) is engaged with expansion anchor (2) and can be rotated.
EFFECT: shortening zone (7) is arranged between expansion anchor (2) and thread (4) to decreased spacing between thread and expansion anchor (2).
11 cl, 6 dwg
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|
RU2226238C2 |
| EXPANSION BOLT | 1991 |
|
RU2018729C1 |
