The shaftless screw threads are operated without shaft or inner tube. This prevents the conveyed material from being caught or caught on the shaft.
We supply shafless screw threads as single and double version.
Material
- mild steel (St 37, St 52)
- stainless steel (1.4301,1.4404, 1.4571)
- heat resistant steel (1.4828, 1.4841)
- other materials on request
screw threads, worm threads, spirals:
- up to an outside diameter of 600mm
- up to a thickness of 40mm
- “auger-height” – up to 150mm
Required ordering information for threads / augers / spirals
L= length
D = outer diameter
d = inner diameter, shaft- or tube diameter
P = pitch
s= thickness
right- or left-handed
shaftless worm thread single stainless steel – table
Außen-Ø | Steigung | Innen-Ø | Stärke |
---|---|---|---|
127 | 127 | 47 | 15 |
127 | 85 | 47 | 15 |
145 | 145 | 75 | 15 |
145 | 100 | 75 | 15 |
177 | 177 | 97 | 15 |
177 | 118 | 97 | 15 |
185 | 185 | 105 | 15 |
185 | 125 | 105 | 15 |
227 | 227 | 97 | 20 |
227 | 151 | 97 | 20 |
240 | 240 | 140 | 20 |
240 | 160 | 140 | 20 |
277 | 277 | 147 | 20 |
277 | 185 | 147 | 20 |
280 | 280 | 160 | 20 |
280 | 185 | 160 | 20 |
327 | 327 | 177 | 25 |
327 | 218 | 177 | 25 |
360 | 360 | 220 | 20 |
360 | 240 | 220 | 20 |
377 | 377 | 227 | 25 |
377 | 251 | 227 | 25 |
460 | 460 | 300 | 20 |
460 | 305 | 300 | 20 |
477 | 477 | 327 | 30 |
477 | 318 | 327 | 30 |
577 | 577 | 427 | 30 |
shaftless worm thread single mild steel – table
Außen-Ø | Steigung | Innen-Ø | Stärke |
---|---|---|---|
127 | 127 | 47 | 15 |
127 | 85 | 47 | 15 |
145 | 145 | 75 | 15 |
145 | 100 | 75 | 15 |
177 | 177 | 97 | 15 |
177 | 118 | 97 | 15 |
185 | 185 | 105 | 15 |
185 | 125 | 105 | 15 |
200 | 200 | 113 | 15 |
200 | 133 | 113 | 15 |
227 | 227 | 97 | 20 |
227 | 151 | 97 | 20 |
240 | 240 | 140 | 20 |
240 | 160 | 140 | 20 |
250 | 250 | 163 | 15 |
250 | 167 | 163 | 15 |
277 | 277 | 147 | 20 |
277 | 185 | 147 | 20 |
280 | 280 | 160 | 20 |
280 | 185 | 160 | 20 |
300 | 300 | 181 | 15 |
300 | 200 | 181 | 15 |
327 | 327 | 177 | 25 |
327 | 218 | 177 | 25 |
350 | 350 | 234 | 15 |
350 | 233 | 234 | 15 |
360 | 360 | 220 | 20 |
360 | 240 | 220 | 20 |
377 | 377 | 227 | 25 |
377 | 251 | 227 | 25 |
400 | 400 | 257 | 25 |
400 | 267 | 257 | 25 |
460 | 460 | 300 | 20 |
460 | 305 | 300 | 20 |
477 | 477 | 327 | 30 |
477 | 318 | 327 | 30 |
500 | 500 | 357 | 25 |
500 | 333 | 357 | 25 |
577 | 577 | 427 | 30 |
577 | 385 | 427 | 30 |
600 | 600 | 428 | 20 |
shaftless worm thread double stainless steel – table
Außen-Ø | Steigung | Innen-Ø | Stärke |
---|---|---|---|
177 | 177 | 57 | 15 / 12 |
177 | 118 | 57 | 15 / 12 |
185 | 185 | 65 | 20 / 10 |
185 | 125 | 65 | 20 / 10 |
227 | 227 | 57 | 20 / 12 |
227 | 151 | 57 | 20 / 12 |
240 | 240 | 70 | 25 / 15 |
240 | 160 | 70 | 25 / 15 |
277 | 277 | 67 | 20 / 15 |
277 | 185 | 67 | 20 / 15 |
280 | 280 | 80 | 25 / 15 |
280 | 185 | 80 | 25 / 15 |
327 | 327 | 97 | 25 / 15 |
327 | 218 | 97 | 25 / 15 |
360 | 360 | 120 | 25 / 15 |
360 | 240 | 120 | 25 / 15 |
377 | 377 | 97 | 25 / 20 |
377 | 251 | 97 | 25 / 20 |
460 | 460 | 160 | 25 / 20 |
460 | 305 | 160 | 25 / 20 |
477 | 477 | 177 | 30 / 25 |
477 | 318 | 177 | 30 / 25 |
577 | 577 | 277 | 30 / 25 |
shaftless worm thread double mild steel – table
Außen-Ø | Steigung | Innen-Ø | Stärke |
---|---|---|---|
177 | 177 | 57 | 15 / 12 |
177 | 118 | 57 | 15 / 12 |
185 | 185 | 65 | 20 / 10 |
185 | 125 | 65 | 20 / 10 |
227 | 227 | 57 | 20 / 12 |
227 | 151 | 57 | 20 / 12 |
240 | 240 | 70 | 25 / 15 |
240 | 160 | 70 | 25 / 15 |
277 | 277 | 67 | 20 / 15 |
277 | 185 | 67 | 20 / 15 |
280 | 280 | 80 | 25 / 15 |
280 | 185 | 80 | 25 / 15 |
327 | 327 | 97 | 25 / 15 |
327 | 218 | 97 | 25 / 15 |
360 | 360 | 120 | 25 / 15 |
360 | 240 | 120 | 25 / 15 |
377 | 377 | 97 | 25 / 20 |
377 | 251 | 97 | 25 / 20 |
460 | 460 | 160 | 25 / 20 |
460 | 305 | 160 | 25 / 20 |
477 | 477 | 177 | 30 / 25 |
477 | 318 | 177 | 30 / 25 |
577 | 577 | 277 | 30 / 25 |