Rigid Shaft Coupling STK

Technical Data

Technical Data Rigid Shaft Coupling STK

Size   29 29 34 34 42 45 53 67 77 85
Size in mm                      
L   45 45 50 50 65 75 83 95 108 124
D   29 29 34 34 42 45 53 67 77 85
D1 ISO fit H7   10 12 14 16 20 25 30 35 40 50
Screws DIN 912 V4A 80   M4 M4 M5 M5 M6 M6 M6 M8 M8 M10
Max fastening torque in Nm   2,5 2,5 5,4 5,4 9,6 9,6 9,6 23 23 46
# screws   8 8 8 8 8 8 8 8 8 8
Installation wrench   DIN 911-Norm-Steckschlüssel  
Technical data                      
Rated torque [Nm] (Stainless steel)   90 90 160 160 300 325 400 925 1100 1800
Rated torque [Nm] (Steel)   100 100 190 190 350 390 475 1100 1300 2200
Mass [g]   185 180 272 261 261 518 920 1880 2710 3520

Order example: STK 34 GT D: 14H7/14H7

Material: Steel; stainless steel (rust-proof design); all parts are also available with other materials, also PEEK, titan or seawater-resistant materials.

Further diameter available on request.

All parts are also available with a feather key groove.

Speed: maximum rpm depending on material and size.

Further information about STK rigid shaft couplings

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