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PRODUCTS - Split Set - Mining
Ductile Iron Locking Nut for Helical Bars
DescriptionA nut made of steel or ductile iron with spheroidal graphite, designed for use with the Helical Bar®.
DenominationASTM A536 Ductile Iron Nut Technical rules
ASTM A536-84 (2019)e1, Grade 65-45-12
The mechanical properties of the cast test specimens shall meet the following requirements:
Minimum Yield Strength: 45,000 psi (31.70 kg/mm²)
Minimum Tensile Strength: 65,000 psi (45.70 kg/mm²)
Elongation in 2 in.: 12.0%
PresentationAvailable in nominal diameters of 16 mm, 19 mm, 22 mm, 25 mm, and 32 mm.
UseAn accessory for the Helical Bar® Anchor Bolt that allows the bearing plate to be secured against the rock mass.
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