- Are wall plugs required for this frame screw?
- No, this Spax Spax-RA screw is designed for direct, plug-free and stressless anchoring into masonry or concrete.
- Which driver bit is required for installation?
- You need a T-STAR plus T30 bit for exact bit engagement and optimal power transmission.
- Do you need to pre-drill in masonry or concrete?
- Yes, pre-drilling into the mineral substrate at the specified drill diameter is required before driving the screw.
- What are the benefits of the Wirox coating?
- The Wirox surface treatment offers significantly higher corrosion resistance and surface hardness than standard zinc.
- What are the exact dimensions of this screw?
- This screw has a diameter of 7.5 mm, a total length of 80 mm, full thread, and a flat countersunk head.