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split drive anchor

Anchor size is drill size, no hole spotting, fest to drill and set.
For great tensile strength and hardness, it is given two heat treatment.
With the two sheared and pre-expanded halves of the anchor, exerting a tremendous gripping force in wall of hole.
Any head available as your requirement.
The test values listed were obtained using 200- 250 kgs/cm² concrete (no aggregate.)
A safe working load should not exceed 25%of stated value.