The fixing thread fixes the top board. Minimises creaking of floor structure. he small cylinder head pulls flush into the wood and provides the perfect appearance. SPAX CUT point: precision placement, allows screwing in without pre-drilling (wood-dependent), effectively reduces splitting of the wood. Cylindrical head: low splitting effect, pulls flush into the wood. Fixing thread: permanently attaches the cover board to the substructure and minimises creaking. Together with the plain shank it pulls the top board down tight (vice effect). SPECIFICATION:
