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VDI toolholders
VDI stop damper
Application: Sturdy bar stop with spring damping, ground back-stop disc. Damping compensation of maximum 3 mm. 31 9775 – Cylindrical version suitable for all types of turret. Plain shank with length adjustment. 31 9777 – VDI variant primarily for disc turrets.
| Shank ⌀D | mm | 25 | 32 | 30 | 40 | ||
| 1 | |||||||
| 31 9775 | Stop damper with spring | ||||||
| cylindrical | eShop | eShop | – | – | |||
| 31 9777 | Stop damper with spring | ||||||
| VDI | – | – | eShop | eShop | |||
| ⌀ D | mm | 35 | 35 | 35 | 44 | ||
| ⌀ D2 | mm | – | – | 68 | 83 | ||
| L | 3 | mm | 62 | 65 | 75 | 78 | |
| L | mm | 100 | 115 | – | – | ||
| max | |||||||
| Colour code for VDI shanks | – | – |
Quick-change tapping chuck for right- and left-hand threads Resilient length compensation, smooth action due to ball bearing sleeve. Standard: DIN ISO 10889 / DIN 69880 and VDI 3425, sheet 2. Optional extras: Quick-change tapping collets No. 335420 − 335620.
31 9775 L
D2 D1
L D3 D2 D1
31 9777
Length com- Length com- D pensation by pensation by compression tension
Shank d mm 20 30 40 31 9445
| mm | mm | L mm | |||||||
| 31 9445 | Quick-change tapping chuck | ||||||||
| M3 − M12 | eShop eShop eShop | 7 | 7 | 38 | |||||
| 31 9447 | Quick-change tapping chuck | ||||||||
| M6 − M20 | – | eShop eShop | 12 | 12 | D 54 | ||||
| L (31 9445) | mm | 56 | 61.5 | 61.5 | |||||
| L (31 9447) | mm | – | 86 | 86 |
Colour code for VDI shanks Die toolholder Robust toolholder, all functional faces hardened and ground. Length compensation by compression and tension for cutting external threads exactly true to gauge size. To take standard DIN dies (round version).
Application: Cutting external threads by means of a die. For use primarily on lathes, but also suitable for milling machines. 31 9790
Optional extras: Die adapter no. 319795.
L
| Shank ⌀D | mm | 25 | 30 | 40 | |
| 1 | |||||
| D1 D2 | |||||
| 31 9790 Die toolholder with length compensation | |||||
| cylindrical | eShop | – | – | ||
| 31 9793 Die toolholder with length compensation | |||||
| VDI | – | eShop | eShop | ||
| ⌀ D | mm | 71 | 70 | 70 | |
| Length compensation by compression 2 | mm | 4 | |||
| Length compensation by tension | mm | 12 | |||
| L | mm | 47.2 | 71 | 73 | |
| Colour code for VDI shanks | – | 31 9793 | |||
| Die adapter | |||||
| Adapter to take dies to DIN EN 22568 (round version). | |||||
| Suitable for: | Die toolholder No. 319790; 319793. |
Note: Maximum thread depth 47 mm. 31
L
| forthreads | M3-M6 | M7-M9 | M10 | M12-M14 | |||
| 31V 31 9795 | Die adapter Exchangeable insert | eShop | eShop | eShop | eShop | ||
| ⌀ D2 | mm | 20 | 25 | 30 | 38 | ||
| L | mm | 16 | |||||
| Colour code: | VDI 30 | VDI 40 | VDI 20 |