PTC Instruments

Rockwell B Scale Hardness Tester

Model: HC061

Mfr. No.: 415B

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  • Rockwell B Scale Hardness Tester - PTC Instruments 415B

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Description

  • Economical way of grading and checking various metals in equivalent Rockwell B range from 40HRB to 100 HRB
  • Completely redesigned chassis made from aerospace aluminum houses a high quality displacement gauge
  • Minimum sample thickness is 0.025" (6.35 mm) for most materials
  • Shipped with factory-set preload, calibrated and ready to use
  • Chromoly steel indenter has been polished to a spherical radius of 0.012" and ground to an included angle of 30°
  • Upper end (the shank) is the gripping area for insertion into a milling machine, drill press, or lathe
  • Lower end is the load cell that extends up into the body of the hardness tester and houses a centreless ground precision spring which preloads the hardened steel indenter
  • Direct reading analog dial is accurate to ±1.5 points
  • The total force required to move the indenter through its full travel of 0.025" (6.35 mm) is 85 lbs. (38.56 kg)
  • Includes: Rockwell B scale hardness tester, Test blocks (high and low range test blocks), Conversion chart, Carrying case

Specifications

Display Type

Analogue

Indicator Diameter

1.6"

Accuracy

± 1.5 points

Dimensions

6.75 x 1.06" (17.1 x 2.7 cm)

Weight

12 oz. (340 g)