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A Couplings

Type 'A' Couplings
These are our made in the USA type A nickel plated steel ball chain couplings. The only type a couplings made in the USA. Typically used with retaining chain to attach ball chain to small items (i.e. machine caps) with a screw, bolt, or rivet, to provide a flush assembly with the item surface. This is the engineering diagram of our ball chain coupling and how it attaches to the made in the usa bead chain that we supply
 SIZE & AVAILABLE FINISHES HOLE DIAMETER WITH EYELET (A) HOLE DIAMETER WITHOUT EYELET (C) LENGTH (B)
#3, #6 (Nickel Plated Brass, Yellow Brass) .130" .167" 3/8"
#3, #6 (Stainless Steel) .130" .167" 3/8"
#8, #10 (Nickel Plated Brass, Yellow Brass) .193" .167" 1/2"
#8, #10 (Stainless Steel) .193" .167" 1/2"
#13 (Nickel Plated Brass, Yellow Brass) .193" .230" 11/16"
#13 (Stainless Steel) .193" .230" 11/16"
#15, #20 (Nickel Plated Brass, Yellow Brass) .262" .260" 1-1/32"