Concrete screw BTS E 6×135 with external thread M6. Quantity per package 50 pcs. 9ZG6135M6BTSE

Concrete screw BTS E 6x135 with external thread M6 is designed for reusable use in non‑structural applications, both in cracked and uncracked concrete. Its construction allows two‑stage installation — drilling and tightening — using the same tool, which shortens work time and eliminates the need to change accessories.

The M6 thread with a length of 5 mm enables direct fastening of external elements, e.g., mounting rails or threaded rods, without additional nuts or intermediate parts. ETA and CNBOP approval confirms its compliance with requirements for concrete C20/25 to C50/60 and prefabricated channel plates.

Zinc flake coating provides high corrosion resistance, which is important for long‑term use in humid or aggressive environments. Two anchoring depths are