Rigid Shaft Coupling STK

Technical Data

Technical Data Rigid Shaft Coupling STK

Model   STK-06 STK-08 STK-10 STK-12 STK-14 STK-15 STK-16 STK-17 STK-19
Size in mm                    
L   30 35 45 45 50 50 50 50 65
Da   18 24 29 29 34 34 34 34 42
Di ISO fit H7   6 8 10 12 14 15 16 17 19
Screws DIN 912 V4A 80   M3 M3 M4 M4 M5 M5 M5 M5 M6
Tightening torque of screws (Nm) Steel   2.1 2.1 5.1 5.1 10.0 10.0 10.0 10.0 17.5
Tightening torque of screws (Nm) Stainless Steel   1.2 1.2 2.9 2.9 5.7 5.7 5.7 5.7 10.0
# screws   8 8 8 8 8 8 8 8 8
Installation wrench   DIN 911 standard socket wrench
Technical data                    
Rated torque [Nm] Steel (Sliced/Split)   30 50 100 105 180 190 200 210 300
Rated torque [Nm] Stainless steel (Sliced)   12 16 25 32 42 50 60 70 300
Rated torque [Nm] Stainless steel (Split)   12 18 30 36 67 72 77 79 130
Mass [kg]   0.054 0.110 0.200 0.200 0.300 0.300 0.300 0.300 0.550
Model   STK-20 STK-25 STK-30 STK-35 STK-40 STK-50 STK-60 STK-70 STK-80
Size in mm                    
L   65 75 83 95 108 124 150 220 220
Da   42 45 53 67 77 85 100 122 140
Di ISO fit H7   20 25 30 35 40 50 60 70 80
Screws DIN 912 V4A 80   M6 M6 M6 M8 M8 M10 M10 M12 M12
Tightening torque of screws (Nm) Steel   17.5 17.5 17.5 42.0 42.0 83.0 83.0 145.0 145.0
Tightening torque of screws (Nm) Stainless Steel   10.0 10.0 10.0 24.0 24.0 48.0 48.0 82.0 82.0
# screws   8 8 8 8 8 8 8 8 8
Installation wrench                    
Technical data                    
Rated torque [Nm] Steel (Sliced/Split)   350 400 425 1100 1300 2200 3000 4000 5000
Rated torque [Nm] Stainless steel (Sliced)   300 325 400 925 1100 1800 1800 1800 1800
Rated torque [Nm] Stainless steel (Split)   137 171 206 438 445 100 1100 1600 1900
Mass [kg]   0.550 0.670 0.980 1.900 2.900 3.600 5.500 12.800 17.000

Order example: STK-20-GS-ST-N

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

Highlights
Product versions
Examples

Downloads for rigid shaft couplings STK

Rigid shaft coupling STK Catalog application/pdf PDF file 224.6 KiB
Rigid shaft coupling STK Datasheet application/pdf PDF file 246.9 KiB