- Self drilling screws for fixing to metal.
- Hexagon head with drilling point and EPDM bonded sealing washer.
- All screws are 5.5mm thread diameter.
- Maximum drilling thickness 5mm.
- Zinc plated screws.
- DIN 7504-K.
- Screws over 50mm length are partly threaded.
- Screw lengths do not include the head.
- Choice of 14 different colour caps
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