230mm. The Axim FB6401 Series flush bolt is 20mm wide and has a hardened steel bolt with anti rattle sleeve. It features a deep finger recess and large lever for ease of operation and has a "centre punch" tip to mark the centre of the keep. Available in a choice of two rod lengths (110mm or 230mm) it comes supplied complete with all fixings.. Die cast zinc alloy body mechanism. Deep finger recess and large lever. 18mm bolt stroke. 7mm zinc plated steel rod with 30mm thread - available in 110mm or 230mm lengths