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MJ Joint Restraints

Napac now stocks our Ultra-Lok joint restraint glands in 4-12″ sizes. These are made of Ductile Iron per ASTM-536 Grade 65-45-12. Our Ultra-Lok utilizes “Torque-Off Bolts” so you know when you have tightened the bolt to the correct torque.CA Prop 65

We also stock your standard threaded rod, socket clamps, couplings, dog washers and duc lugs.

Click here for information regarding CA Prop 65

Contact Us

Distribution Center:102 First Avenue, Chicopee, MA 01020



Sales Office:

  • 800#: 800-807-2215
  • Local #: 508-363-4411
  • Fax: 800-807-2214
E-mail: sales@napacinc.com
orders@napacinc.com

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Contact Us

Distribution Center: 102 First Avenue, Chicopee, MA 01020

  • 800#: 800-807-2215
  • Local #: 508-363-4411
  • Fax: 800-807-2214
E-mail: sales@napacinc.com
orders@napacinc.com