Available with Security Clutch head one-way wood screws, Coach Bolt & Shear Nut fasteners, HARD and SOFT ground fixings and CONCRETE -IN. 4 x 150mm Coach Bolts with 4 x Security Shear head Nuts. Security shear nuts - the hexagonal section shears off when the required torque is applied, leaving behind only the tamper resistant cone section which is virtually impossible to remove.
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