D Couplings

Type 'D' Couplings
Our made in the USA type D ball chain coupling. Used to connect ball chain to retaining devices such as a screw, bolt, or rivet Provides a flexible, swiveling permanent attachment for ball chain. Typically used as retaining device with a screw, bolt, or rivet. D Coupling Diagram ilustrating how the d coupling is used to connect ball chain to a retaining device. Shows multiple angles.
 SIZE & AVAILABLE FINISHES LENGTH (A) WIDTH (B) HOLE DIAMETER (C) HEIGHT (D)
 #3, #6 (Nickel Plated Brass or Yellow Brass) 19/64" 17/64" .130" or .170" 11/64"
 #6, #8, #10 (Nickel Plated Brass or Yellow Brass) 31/64" 23/64" .190" or .250" 1/4"
  • #6 Nickel Plated Brass D Couplings

    #6 Nickel Plated Brass D Couplings

    This size coupling works with both the #3 and #6 size chain. Provides a flexible, swiveling permanent attachment for ball chain. Typically used as retaining device with a screw, bolt, or rivet. The "hole diameter" is the diameter of the eyelet.

    $6.00
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  • Stainless steel ball chain d couplings for use in retaining applications. Made in the USA since 1938.

    #6 Stainless Steel D Couplings

    This size coupling works with both the #3 and #6 size chain. These #6 stainless steel d couplings are rust and corrosion resistant and provide a flexible, swiveling permanent attachment for ball chain. Typically used as retaining device with a screw,...

    $6.00
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  • #6 Yellow Brass D Couplings

    #6 Yellow Brass D Couplings

    This size coupling works with both the #3 and #6 size chain. Provides a flexible, swiveling permanent attachment for ball chain. Typically used as retaining device with a screw, bolt, or rivet. The "hole diameter" is the diameter of the eyelet.

    $6.00
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  • #10 Nickel Plated Brass D Couplings

    #10 Nickel Plated Brass D Couplings

    This size coupling works with both the #6, #8, & #10 size chain. Provides a flexible, swiveling permanent attachment for ball chain. Typically used as retaining device with a screw, bolt, or rivet. The "hole diameter" is the diameter of the eyelet.

    $9.00
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  • #10 Nickel Plated Steel D Couplings

    #10 Nickel Plated Steel D Couplings

    This size coupling works with both the #6, #8, & #10 size chain. Provides a flexible, swiveling permanent attachment for ball chain. Typically used as retaining device with a screw, bolt, or rivet. The "hole diameter" is the diameter of the eyelet.

    $9.00
    Choose Options
  • #10 Yellow Brass D Couplings

    #10 Yellow Brass D Couplings

    This size coupling works with both the #6, #8, & #10 size chain. Provides a flexible, swiveling permanent attachment for ball chain. Typically used as retaining device with a screw, bolt, or rivet. The "hole diameter" is the diameter of the eyelet.

    $9.00
    Choose Options