- acid-proof A4 / AISI 316
- corrosion class C5
- for indoor and outdoor use
- self-drilling, cutting ribs under head
- pre-drilling is recommended for hard wood
- waxed for reducing friction
- the cutting point prevents material splitting
- milling ribs ensure the head is clearly countersunk
- countersunk head TX20
- size 4,2 x 55 mm
- thread length 26,0 mm (partial thread)
- head diameter Ø 7,2 mm
- 200 pcs / package
