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Screw Features & Special Properties
Special properties
    A. SPAX CUT point: precision placement, allows screwing in without pre-drilling (wood-dependent), effectively reduces splitting of the wood
    B. Cylindrical head: low splitting effect, pulls flush into the wood
    C. 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)
    D. Stainless steel A4 III: Permanent protection against corrosion
    E. T-STAR plus: secure bit grip, no cam-out effect, optimal force transmission
Features
    1. SPAX typical ground serrations: quick and secure fastening