Hexagonal bolt with shank for pressure container construction DIN 931, A4 stainless steel, plain
DIN 931 bare stainless steel A4
SCR-HEX-DIN931-ADW2-A4/70-WS19-M12X90
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Hexagonal bolts with shaft for pressure container construction according to AD/TRD regulations.
- TÜV-recognised brands fulfil the conditions of AD 2000 Code of Practice W2 with regard to waiving acceptance test certificate 3.1 (in accordance with DIN EN 10204). See VdTÜV material data sheet 1253/4. “VdTÜV data sheet 1253/4” contains the bolt and nut manufacturers inspected by an expert from the German Technical Supervisory Organisation (TÜO). The products are labelled with the manufacturer's code and strength class.
DIN 931 has been withdrawn and replaced by ISO 4014. There is some similarity (nominal dimensions extended | Width across flats changed for M10, M12, M14 and M22).
 | |
Thread type x nominal diameter (d1) | M12 |
Length (l1) | 90 mm |
Head height (k1) | 7.5 mm |
Standards | DIN 931 |
Material | Stainless steel A4 |
Property class | 70 |
Surface | Plain |
RoHS-compliant | Yes |
Head type | Hexagon head |
Drive type | Outer hexagon |
External drive (s1) | WS19 |
Thread type | Metric thread |
Pitch | 1.75 mm |
Thread form | Standard metric thread |
Shank diameter | 12 mm |
Area of application | Pressure vessel construction |
Regulated area | AD W 7/2 |
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