Forkardt KTNC 250
INOZet® WTS025-WK05



WTS025-WK05
Turns your 3-jaw chuck into a compensating 6-jaw chuck. 1 set = 3 pendulum bridges.
Mounting on your chuck
| Manufacturer | Forkardt |
|---|---|
| Chuck | KTNC 250 |
| Chuck size Ø | 250 mm |
| Jaw connection | Tongue & groove S = 12 |
| Key / slot width N | 20 mm |
| T-nut / base jaw | none |
General technical data
| Grip range ext. Ø | 60–250 mm |
|---|---|
| Grip range int. Ø | 134–250 mm |
| Swing Ø without jaws | 320 mmwith ideal set-up; actual swing may deviate |
| Width B | 170 mm |
| Height H (without jaws) | 40 mm |
| Length L | 128 mm |
| Weight per set | 9,9 kg |
| Serration V1 | 2 x 60°Top-jaw connection |
| Slot width N1 | 12 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)025
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WU12 | 760012 | 16MnCr5 | 60–250 | 134–250 | 355 | 35 | 48 | 90 | 12 | 20 | 2,0 mm x 60° | 12 | 25 | M6 | GP07 | 5,3 |

Soft top jaws · WT(S)025
5 · Set of 6
| Select | Type | Ident-No. | Design | Material | B | H | L | K | J | Serration | N | T-nut | kg / set | Sets |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WI12 | 770012 | I | 16MnCr5 | 35 | 48 | 90 | 12 | 20 | 2,0 mm x 60° | 12 | GP07 | 5,3 | ||
| WI40 | 770040 | I | Alu | 35 | 48 | 90 | 12 | 20 | 2,0 mm x 60° | 12 | GP07 | 1,8 | ||
| WI41 | 770041 | I | 16MnCr5 | 35 | 48 | 90 | 35 | 20 | 2,0 mm x 60° | 12 | GP07 | 5,1 | ||
| WI42 | 770042 | I | Alu | 50 | 48 | 90 | 12 | 20 | 2,0 mm x 60° | 12 | GP07 | 2,9 | ||
| WI43 | 770043 | I | Alu | 35 | 70 | 90 | 12 | 20 | 2,0 mm x 60° | 12 | GP07 | 2,8 |
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 | WTS025-WK05 | 751057 | 1 | Pendulum bridges · 3 → 6 | Forkardt KTNC 250 |
Chuck not in the list, special jaws, other sizes? Describe it and we will quote it.


