George H. Seltzer & Co.
George H. Seltzer & Co.
P.O.Box 26, 103 Ridley Avenue
Folsom, PA 19033-0026
Phone: 800-445-4101 - 610-532-2322 • Fax: 610-532-3024
E-mail: zip@zipbolts.com
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A Metric Coupling Nut is a hexagonal nut with an extended body usually used to couple two studs together.

-Heat treated to tensile strength class 10.
-For joining two studs DIN 6379.
-Minimum thread reach should be 1 x diameter.
-For functional and safety purpose bolts and studs to be coupled should be screwed in an either side to half the length of the nut.


>>Click here for inch size Coupling Nuts
Metric Extension Nut (DIN 6334)
Dimensional Drawing
Unit of Measure
Items Metric Extension Nut (DIN 6334)
82651
6mm DIN 6334 Coupling Nut (metric) 		Metric Extension Nut (DIN 6334)
82669
8mm DIN 6334 Coupling Nut (metric) 		Metric Extension Nut (DIN 6334)
82677
10mm DIN 6334 Coupling Nut (metric) 		Metric Extension Nut (DIN 6334)
82685
12mm DIN 6334 Coupling Nut (metric) 		Metric Extension Nut (DIN 6334)
82693
14mm DIN 6334 Coupling Nut (metric)
Thread Size
(mm) 		N/A 6 N/A 8 N/A 10 N/A 12 N/A 14
Width Across Flats (s)
(mm) 		N/A 10 N/A 13 N/A 17 N/A 19 N/A 22
Width from
Corner to Corner (e)
(mm) 		N/A 11.5 N/A 15.0 N/A 19.6 N/A 21.9 N/A 25.4
O.A. Height (m)
(mm) 		N/A 18 N/A 24 N/A 30 N/A 36 N/A 42
Availability N/A To Be Advised