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98-6 98 6in Machinists’ Level with Ground and Graduated Vial

Product Details

These levels have ground and graduated main vials. All sizes have a cross test vial except the 100mm (4”) model.

The 300mm (12”) model also has a plumb vial, and the 450mm (18”) size has a double plumb vial. These vials are adjustable to a positive setting and are housed in a satin chrome finished brass tube with a friction fit closing cover to prevent breakage.

The base of the levels features an involute groove running the length of the base, which provides a reliable seat for round work such as pipes or shafting. With the cross test vial, it is possible to simultaneously level in both directions. This prevents inaccuracies in the main vial reading caused by canting the level sidewise on round work.

The 150-450mm (6-18”) main level vials have graduations that are approximately 80-90 seconds or 0.42mm per metre (.005″ per foot). There are five, six, or seven lines on each side of the bubble, depending on the base length.

Features
  • Ground and graduated main vials
  • These levels have ground and graduated main vials
  • The base of the levels features an involute groove running the length of the base, which provides a reliable seat for round work
  • These vials are adjustable to a positive setting and are housed in a satin finished brass tube with a friction-fit closing cover to prevent breakage
Specification
  • Type: Machinists’ Level
  • Length: 150mm (6”)
  • Vial Housing: Satin finished brass tube
  • Cross Test Vial: With
  • Packaging: Starrett red cardboard box