Manta Ray® MR-1 Anchor

MR-1 Drawing

Type: Impact-driven soil anchor for tensile loads

Specifications

Average Weight 14.0 lbs (6.4 kg)
Ultimate Strength 40,000 lbs (177.9 kN)
Yield Strength 30,000 lbs (133.4 kN)
Max Working Load* Up to 27,000 lbs (120.1 kN)
Soil Bearing Area 71.9 in² (463.9 cm²)
Material Ductile Iron (ASTM A536)
Finish Hot-Dip Galvanized (ASTM A123)
Anchor Rods 5/8" to 1" (16–25mm) – compatible with multiple thread forms
Typical Installation Depth 6–30 ft (1.8–9.1 m)
Typical Blow Count 24–40 (per ASTM D1586)

*Holding capacity is soil and anchor rod dependent. Loads shown are for normal soil conditions.