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Gilson’s Tamping Rods are straight stainless steel rods with hemispherical tips on both ends, and available in four models of different sizes. They are for use in consolidation of concrete specimens in testing slump, air content and strength in compliance with several ASTM or AASHTO standards. Gilson’s exclusive stainless steel models eliminate corrosion issues and have exceptional service life.
HM-48A and HM-48 models are 24x0.625in (610x16mm) LxD and specified for use with 6x12in (152x305mm) cylinder specimens in a variety of test methods. HM-48 has an engraved measuring scale marked in 1/4in increments, while HM-48A has no measurement markings. The 5/8in (16mm) rod diameter is commonly used to consolidate 6x12in cylinders for concrete strength testing and meets ASTM C143/143M standard for testing slump and ASTM C173/173M standard for testing air content in concrete.
HM-47 is 12x0.375in (305x10mm) LxD, and required when molding 4x8in concrete cylinder specimens.
HM-63 is 18x0.275in (457x10mm) LxD, and meets both Canadian and ASTM Standards for consolidation of 4x8in (102x203mm) concrete cylinders.
HM-47: 12 x 0.375in (305 x 10mm), L x D
HM-48: 24 x 0.625in (610 x 16mm), L x D
HM-48A: 24 x 0.625in (610 x 16mm), L x D
HM-63: 18 x 0.375in (457 x 10mm), L x D
HM-48A: 4.0lbs (1.81kg)
HM-48: 3.0lbs (1.36kg)
HM-47: 2.0lbs (0.91kg)
HM-63: 1.0lbs (0.45kg)
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