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sklademVydáno: 1995-06-15
BS 7795:1995
Specification for bolts, screws and studs with a pre-applied micro-encapsulated chemical adhesive feature incorporated into the thread
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Označení normy: | BS 7795:1995 |
Počet stran: | 12 |
Vydáno: | 1995-06-15 |
ISBN: | 0 580 24125 4 |
Status: | Standard |
DESCRIPTION
BS 7795:1995
This standard BS 7795:1995 Specification for bolts, screws and studs with a pre-applied micro-encapsulated chemical adhesive feature incorporated into the thread is classified in these ICS categories:
- 21.060.10 Bolts, screws, studs
This British Standard specifies the coatings, dimensions, materials, lubrication and performance requirements for pre-applied adhesive type bolts, screws and studs with a micro-encapsulated chemical adhesive feature incorporated into the thread, when tested at an ambient room temperature between 15 °C and 30 °C .
It applies to bolts, screws and studs:
- with IS0 metric coarse pitch M6 to M20 threads conforming to BS 3643 : Part 2 : 1981;
- with specific strength requirements conforming to either BS 6104 : Part 3 : 1981, BS 6105 : 1981 or BS EN 20898-1 : 1992, as appropriate;
- with threads of tolerance class 6g or 4h conforming to BS 3643 : Part 2 : 1981;
- for application into a mating component with a thread of tolerance class 6H conforming to BS 3643 : Part 2 : 1981;
- for use within the temperature range – 50 °C to + 150 °C .
The following are not covered in the scope of this standard:
- capability of providing a pressure or liquid seal;
- performance at temperatures outside the operating range;
- performance of bolts, screws and studs for which a lubricated coating is not permissible.