Timco Self-Drilling Screws - Hex - For Light Section Steel - Exterior - Silver 5.5 x 38 - 150 Pieces Boiling Water Units 3 functions

3 functions

A versatile heavy duty coach screw with a hex flange head and is the modern replacement for traditional DIN 571 coach screws

The fixed washer to flange nut prevents it from falling into the socket driver

5 x 38 - 1500 Pieces product specifications

a contactor must be used

Timco Self-Drilling Screws - Hex - For Light Section Steel - Exterior - Silver 5.5 x 38 - 150 Pieces Boiling Water Units 3 functionsDescription Timco Self Drilling Screws Hex For Light Section Steel Exterior Silver 5. 5 x 38 150 Pieces product description: Hex head self drilling screws, for joining roofing sheets to light section steel (Max. 5. 0mm) without the need to pre drill a hole. Product features: Exterior plating gives a reliable and durable corrosion resistant coating which resists 1,000 hours salt spray Fire Classification A1 Material: Case & Core Hardened Carbon Steel