Hexagonal bolt with shank
ISO 4014 steel 8.8 Dokka hdg with certificate 3.1
Q/BLT-I4014-8.8U-(HDG)-M20X240+3.1
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- Manufactured with undersized thread in tolerance class 6AZ (thread play) before surface protection is applied (DIN EN ISO 10684)
- The screw is ISO-compliant after hot-dip galvanisation
- Must not be used with nuts with oversized thread under any circumstances. This can create problems in the bolted joint and may cause the connection to fail.
ISO 4014 replaces DIN 931 | There is some similarity | Nominal size extended | Width across flats for M10, M12, M14 and M22 changed.
Datasheets(X)
 | |
Thread type x nominal diameter (d1) | M20 |
Length (l1) | 240 mm |
Head height (k1) | 12.5 mm |
External drive (s1) | WS30 |
Standards | ISO 4014 |
Material | Steel |
Property class | 8.8 |
Surface | Hot dip galvanized |
Head type | Hexagon head |
Drive type | Outer hexagon |
Thread type | Metric thread |
Thread form | Standard metric thread |
Thread design | Partial thread |
Thread length (metric thread) (b) | 65 mm |
Product class | B |
RoHS-compliant | Yes |
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