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A Couplings

Type 'A' Couplings
Ball Chain Coupling Type A 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. A Couplings Diagram
 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"