Schunk ROTA THW 400
INOZet® WTS040-WK20



WTS040-WK20
Turns your 3-jaw chuck into a compensating 6-jaw chuck. 1 set = 3 pendulum bridges.
Mounting on your chuck
| Manufacturer | Schunk |
|---|---|
| Chuck | ROTA THW 400 |
| Chuck size Ø | 400 mm |
| Jaw connection | Tongue & groove S = 12 |
| Key / slot width N | 26 mm |
| T-nut / base jaw | none |
General technical data
| Grip range ext. Ø | 70–400 mm |
|---|---|
| Grip range int. Ø | 158–400 mm |
| Swing Ø without jaws | 490 mmwith ideal set-up; actual swing may deviate |
| Width B | 249 mm |
| Height H (without jaws) | 55 mm |
| Length L | 204 mm |
| Weight per set | 29,4 kg |
| Serration V1 | 3,5 x 60°Top-jaw connection |
| Slot width N1 | 16 mmTop-jaw connection |
T-nuts for the pendulum bridges · Selected automatically
No T-nuts needed. The pendulum bridges mount directly to your chuck jaws.
Top jaws
Tick the top jaws you want. The T-nuts for the jaws are added automatically.

Hard adjustagrip jaws · WT(S)040
1 · Set of 6
| Select | Type | Ident-No. | Material | Grip range ext. Ø | Grip range int. Ø | SK Ø | B | H | L | K | J | Serration | N | T | G | T-nut | kg / set | Sets |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WR16 | 760161 | 16MnCr5 | 70–400 | 158–400 | 510 | 38 | 50 | 105 | 13 | 30 | 3,5 mm x 60° | 16 | 25 | M6 | GP11 | 7,7 |

Soft top jaws · WT(S)040
5 · Set of 6
| Select | Type | Ident-No. | Design | Material | B | H | L | K | J | Serration | N | T-nut | kg / set | Sets |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WP16 | 770116 | I | 16MnCr5 | 38 | 50 | 105 | 13 | 30 | 3,5 mm x 60° | 16 | GP11 | 7,7 | ||
| WP50 | 770150 | I | Alu | 38 | 50 | 105 | 13 | 30 | 3,5 mm x 60° | 16 | GP11 | 2,5 | ||
| WP51 | 770151 | I | 16MnCr5 | 38 | 50 | 105 | 38 | 30 | 3,5 mm x 60° | 16 | GP11 | 6,9 | ||
| WP52 | 770152 | I | 16MnCr5 | 60 | 50 | 105 | 13 | 30 | 3,5 mm x 60° | 16 | GP11 | 12,3 | ||
| WP53 | 770153 | I | 16MnCr5 | 38 | 75 | 105 | 13 | 30 | 3,5 mm x 60° | 16 | GP11 | 10,6 |
Height pins
Height pins are available for hard jaws. Tick a hard jaw above to see them.
Grease & tools
| Select | Item | Ident-No. | Qty | |
|---|---|---|---|---|
| Special grease for INOZet® | 800001 | EP01, 400 ml cartridge | ||
| Lever grease gun | 800008 | For 400 ml cartridge, DIN 1283, with mouth-piece for ball grease nipples |
Your configuration
| Pos. | Item | Ident-No. | Qty | Note | |
|---|---|---|---|---|---|
| 1 | WTS040-WK20 | 751137 | 1 | Pendulum bridges · 3 → 6 | Schunk ROTA THW 400 |
Chuck not in the list, special jaws, other sizes? Describe it and we will quote it.


