TechFast Timber to Steel CSK/Wing Screw No.5 Tip 5.5 x 135mm Box 50
These Forgefix TechFast Timber to Steel CSK/Wing Screws have the following specification: Size: 5.5 x 135mmClamping Thickness: 106mmEffective Thread Length: 107mmPack Size: 50Drill Tip: No.5 No.5 drill tip for self-drilling heavy gauge steel up to 12.5mm