TechFast Timber to Steel CSK/Wing Screw No.5 Tip 5.5 x 50mm Box 100
These Forgefix TechFast Timber to Steel CSK/Wing Screws have the following specification: Size: 5.5 x 50mmClamping Thickness: 21mmEffective Thread Length: 22mmPack Size: 100Drill Tip: No.5 No.5 drill tip for self-drilling heavy gauge steel up to 12.5mm.