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Specifications

LENGTH 18"
WIDTH 1"
HEIGHT 2"
Weight (lb) 22

The Suburban Tool P-18100200-M is the metric-marked 4-way precision steel parallel measuring 1" × 18" × 2", with an 18" length that spans larger workpieces and machine tables while still working with any other 4-way parallel.

Made of alloy steel hardened to Rc 58-60, this long parallel is ground on all four sides for surface grinding, layout, inspection, and heavy workholding. Opposite sides run parallel within 0.0001" per 6 inches for precise support across the span.

  • Use individually or match with any other 4-way parallel, even different sizes on a common dimension
  • Alloy steel hardened to Rc 58-60 for durability under load
  • Ground on four sides with adjacent faces square and opposite faces parallel
  • 18" length supports larger workpieces and long-span setups
  • Ideal for grinding, layout, and inspection on bigger jobs
  • Made in the USA by Suburban Tool
  • Held to size ±0.00025" on four sides.
  • Adjacent sides square within 0.0005" per inch.

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