D310 - Taper-Lock® Standard Coupler



​The D310 Taper-Lock Standard Coupler is a Type 2, rebar coupler used to connect rebar. It consists of a coupler containing internal tapered female threads. The D310 Taper-Lock Standard Coupler is available made from USA melted and rolled steel.

Tap​er-Lock complies with and is listed on many industry approvals, including:


  • IAPMO UES Evaluation Report ER-0319​
  • Ministries of Ontario and Quebec
  • Army Corp of Engineers










​The D310 Taper-Lock Standard Coupler is used to connect two pieces of rebar where at least one of the bars is free to rotate.