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The device is a special tool for clamping drill pipe in mouse hole when
making-up and breaking-out the drill pipe in drill operation. The most obvious
feature of it is self-adjustable clamping force. The clamping device is to
conduct single connecting by matching with kelly spinner. no need to pull rotary
rope. which greatly relieve labor force and eliminate accidents. It is designed
and manufactured according to API Spec 7K "Specification for Drilling
Equipment".
Website:://.snrle.com
FSQ Mouse Hole 162-36 Clamping Device