●Extremely solid SCREW REBEL drilling screw with double drive: hexagon socket spanner size 10 and TX 25 inside ●Very high corrosion protection thanks to zinc lamella coating: 500h salt spray tested ●Hexagonal screw similar to DIN 7504, drilling capacity in steel approx. 6 mm ●With unkterkopf fan ribs (locking tooth). Head diameter 13 mm, head height 6.5 mm ●Very universal use in the field of roof, garden, automotive, fence and much more.