ROTHOBLAAS CUSTOMIZED HEAD CUSTOM STEEL DRIVE 4,5×20

KKF AISI410 wood screws for outdoor environments.

Dimensions :
4.5 x 20mm STAINLESS STEEL, 1 piece.

The flat part under the head of KKF AISI410 wood screws provides chip absorption and prevents wood from cracking during screwing, providing an excellent surface finish.

A special asymmetrical umbrella thread with a 60% increase in length provides excellent pullout strength.

Low-pitch threads for maximum precision in the final screwing phase. KKF AISI410 designed for attaching standard Rothoblaas TERRALOCK PP clips in outdoor environments.

Made of AISI410 martensitic stainless steel with an excellent ratio between mechanical strength and corrosion resistance, it can be used without pre-drilling on wood boards with a maximum density of 780 kg/m3 and with pre-drilling on WPC boards. Compliant with the requirements of use classes 1, 2 and 3.