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
1 

Item #

Thread Size
(mm)

Width Across Flats (s)
(mm)

Width from
Corner to Corner (e)
(mm)

O.A. Height (m)
(mm)

Availability

82651 N/A 6 N/A 10 N/A 11.5 N/A 18 N/A To Be Advised
82669 N/A 8 N/A 13 N/A 15.0 N/A 24 N/A To Be Advised
82677 N/A 10 N/A 17 N/A 19.6 N/A 30 N/A To Be Advised
82685 N/A 12 N/A 19 N/A 21.9 N/A 36 N/A To Be Advised
82693 N/A 14 N/A 22 N/A 25.4 N/A 42 N/A To Be Advised
82701 N/A 16 N/A 24 N/A 27.7 N/A 48 N/A To Be Advised
82719 N/A 18 N/A 27 N/A 31.2 N/A 54 N/A To Be Advised
82727 N/A 20 N/A 30 N/A 34.6 N/A 60 N/A To Be Advised
82735 N/A 22 N/A 32 N/A 36.9 N/A 66 N/A To Be Advised
82743 N/A 24 N/A 36 N/A 41.6 N/A 72 N/A To Be Advised
82750 N/A 27 N/A 41 N/A 47.3 N/A 81 N/A To Be Advised
82768 N/A 30 N/A 46 N/A 53.1 N/A 90 N/A To Be Advised
82776 N/A 36 N/A 55 N/A 63.5 N/A 108 N/A To Be Advised
82784 N/A 42 N/A 65 N/A 75.0 N/A 126 N/A To Be Advised
82792 N/A 48 N/A 75 N/A 86.6 N/A 144 N/A To Be Advised
Unit of Measure
1