Opus length bars are carefully manufactured to meet the length, flatness and parallelism tolerances of BS 5317 (metric) BS 1790 (imperial) and are made from specially selected steel.
They have a round section and they have a threaded hole in the centre which allows the bars to be safely and accurately joined together in various combinations.
The round section is 22mm / 7/8″ which gives them good stability and makes them easy to handle.
The gauging faces are hardened then precision lapped to meet the requirements of the relevant standard.
When wrung together or combined with the connection screws they provide secure lengths far in excess of that of standard gauge blocks.
The use of the screws allows the length bars to be safely used in the horizontal position as well as vertical, they also allow a range of accessories to be attached.
Please click here to view our range of length bar sets
Ceramic Zirco-Blocks Gauge Blocks
Tungsten Carbide Gauge Blocks
Steel Gauge Blocks
Long Series Gauge Blocks
Length Bar & Gauge Block Accessories
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