6mm Rubber O-Rings (ID: 2.6mm) - choose color & quantity

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Pkg of 50 or 300
Outer Diameter=6mm x Inner Diameter=2.6mm
Thickness=1.8mm

For Chainmaille: This O-Ring relates most closely to a 5/32" Jump Ring.  The rubber is thick and durable.  

For leather: Works well with 3mm leather cord or to hold together 2 strands of 1.5mm or 2mm leather cord.  Works to create lace patterns with leather.

Other uses: This size works very well as a bead spacer to protect delicate beads that are strung such as blown glass and lamp work beads.  They can also act as a buffer to hold beads in place in wire working.  O-Rings are used as stitch markers for Knitting & Crochet and can also be used for Macramé and Seed Bead Crafts.  EPDM O-Rings were developed to form a waterproof seal.  They can be used with LED lights to form a waterproof seal between the bulb and hardware.  These have also been used for body piercings that often require a stopper of this sort, tattoo equipment, paint guns, bicycle & Industrial parts.  Chris Reeve Umnumzaan parts.

Sizing: The ID or Inner Diameter is the size of the hole.  Generally, choose an inner diameter slightly smaller than you require.  The rubber will stretch to fit over items and form a strong seal or hold items in place.  

The below table shows the AR average of a jump ring combined with this O-Ring size

O-Ring Size AR Average AR
6mm O-Ring 1.4
Jump Rings
20g 1/8" 4.1 2.8
20g 5/32" 5.1 3.3
19g 9/64" 3.7 2.6
19g 5/32" 4.1 2.8
18g 5/32" 3.4 2.4
20g 3/16" 6.25 3.8
19g 3/16" 5 3.2
18g 3/16" 4.2 2.8
18g 7/32" 4.8 3.1