S e c t i on 2 - P a ge 6 May 2013 Installation Accessories T wo Piece T andem Anchor Components • #6 ( 3 / 4 ") or #7 ( 7 / 8 ") r ebar • 5 / 8 " or 3 / 4 " headed smooth bar • coupling • expansion shell (usually D8) • support nut • washer (2" or 2 1 / 4 ") • T andem Anchor Combos a re "POINT ANCHORS". The primary dif fer ence in this unit and the T andem Anchor is the utilization of two or mor e individual r ods to cr eate a single bolt. This is necessary when the bolt, to be installed, is longer than the coal seam is high and the bending of a single bolt is dif fcult or impossible. Expansion Shell Resin Rebar Smooth Bar Coupling W asher Support Nut www .dsiundergr ound.com