Flat. The Axim Flush Bolt FB6200 Series has a hardened steel bolt, which is zinc plated with anti rattle sleeve. Supplied complete with all fixings, and featuring a deep finger recess and large lever for ease of operation, this product is also available with either a radius or flat face.. Zinc plated rod and bolt. Anti - rattle sleeve. Deep finger recess for easy operation. Overall rod length 305mm (See diagram)