Sanko Board Fastener Steel (50 pieces) B-409P 1 PK

Catalog number: B-409P Features: ●Screws can be attached and detached freely, and they are easy to install and produce a uniform finish. ●Screws can be attached and detached freely. ●Simple installation and produce a uniform finish. Applications: ●For mounting lighting fixtures and shelf brackets to hollow walls. ●For hollow walls ●For mounting lighting fixtures, audio equipment, curtain rails, etc. Specifications: ●Screw size: M4 ●Outer diameter (mm): 6.7 ●Screw length (mm): 39 ●Applicable plate thickness (mm): 3-10 ●Drill hole diameter (mm): 9 Material/Finish: ●Steel ●Surface treatment: Trivalent chromate treatment Note: ●The maximum tensile load is the value when the concrete strength is FC21N/m［［Ｍ２］］. ●The drilling depth is the total length + 10mm-t (thickness of the object to be mounted).