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The PHAZE-LOK Kevlar™ Composite bonded on stop collar that accompanies the Vulcan Phazer™: Flex Under-Reamed centralizers.


This virtually indestructible and bulletproof stop collar provides exceptionally high holding forces, Ideal for tight/close tolerances application.

• A moulded and bonded stop collar.

• Moulded directly onto casing/liner and sand screen joints.

• Maximised flow by area and reduced ECD’s.

• Extremely high holding force in excess of 50 tonnes.

• Non-metallic, fully millable and drillable material.

• Fully compatible with Chrome Tubulars.

• No set screws or the potential for carbon impregnation.

• Please contact for detailed specifications.

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