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Vibration Absorption Sleeve

Vibration Absorption Sleeve

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Shipping: US-Mainland: free (more destinations)

Condition: Brand new

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Mounted on the supporting frame, the inner hole diameter changes while gun drill’s changes. It supports gun drill for stable drilling. It is used when the length of drill stem suspend in midair is 35times of drill tip’s diameter.
http://www.gsmdrilling.com