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 T-Slot Nut is a nut that is shaped like a T designed to slide into the channel of a machine tool table for work holding during machining. A stud is usually screwed into the top of the nut.

Heat treated to tensile strength class 10.
Further special patterns available on request.

>>Click here for inch size T-Slot Nuts
DIN 508 T-Slot Nuts (metric)
Unit of Measure
1 2 

Item #

Thread Size
(d) (mm)

Nominal Slot Width (a) (mm)

Exact Slot Width
(a) (mm)

Bottom Width
(e) (mm)

O.A. Height
(h) (mm)

Height First Step
(k) (mm)

Availability

159426 N/A 16 N/A 28 N/A 27.7 N/A 44 N/A 36 N/A 18 N/A To Be Advised
158899 N/A 20 N/A 28 N/A 27.7 N/A 44 N/A 36 N/A 18 N/A To Be Advised
80358 N/A 22 N/A 28 N/A 27.7 N/A 44 N/A 36 N/A 18 N/A To Be Advised
80101 N/A 24 N/A 28 N/A 27.7 N/A 44 N/A 36 N/A 18 N/A To Be Advised
80200 N/A 24 N/A 30 N/A 29.7 N/A 48 N/A 38 N/A 19 N/A To Be Advised
80119 N/A 27 N/A 32 N/A 31.6 N/A 50 N/A 40 N/A 20 N/A To Be Advised
80218 N/A 24 N/A 36 N/A 35.6 N/A 54 N/A 44 N/A 22 N/A To Be Advised
80127 N/A 30 N/A 36 N/A 35.6 N/A 54 N/A 44 N/A 22 N/A To Be Advised
80226 N/A 30 N/A 42 N/A 41.6 N/A 65 N/A 52 N/A 26 N/A To Be Advised
80135 N/A 36 N/A 42 N/A 41.6 N/A 65 N/A 52 N/A 26 N/A To Be Advised
80143 N/A 42 N/A 48 N/A 47.6 N/A 75 N/A 60 N/A 30 N/A To Be Advised
80150 N/A 48 N/A 54 N/A 53.6 N/A 85 N/A 70 N/A 34 N/A To Be Advised
Unit of Measure
1 2