Terrassotec Trilobular, stainless steel A2

• Only partially rust-resistant, not acid-resistant, relatively soft
• Not suitable for atmospheres containing chlorine

Advantages of Terrassotec Trilobular:

• Special screw geometry
• Drive thread ensures quick screwing
• Reinforced shank reduces risk of breaking or shearing off
• Under-head thread provides additional hold for deck boards

Trilobular base geometry

• Reduced screwing torque
• Reduced risk of screw breaking during screwing

Two-step head with under-head toothing

• Reduced splintering
• Reduced risk of timber splitting

Reinforced shank

• Suitable for many tropical woods
• Reduced risk of screw shearing off