For clamping tools with cylindrical shank in ER collets according to ISO 15488.
With steep taper SK50 form AD/AF DIN ISO 7388-1 (formerly DIN 69871).
Form AD/AF means: Central coolant supply and coolant channels on the collar which can be sealed again.
Collet Chuck Type ER, DIN ISO 7388-1, SK50
(formerly DIN 69871)
Collet Chuck Type ER, DIN ISO 7388-1, SK50
(formerly DIN 69871)
Quality pass
Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm
All functional surfaces fine machined
Taper tolerance AT3
Coolant supply form AD/AF
- Also suitable for ANSI-CAT
Scope of Delivery
- With locknut (balanced, with slide coating for higher clamping forces)
HAIMER TIP
On request: Locknut type HS (High-Speed, fine balanced, with slide coating for higher clamping forces) on request
Enlarging of size L upon request
Collet Chuck Type ER, DIN ISO 7388-1, SK50
| Description | Norm: | Value: metric/ inch |
|---|---|---|
| Size | ER40 | |
| Clamping range | 2.5-26.0 | |
| Length A | A | 3.937 inch |
| A-length version | long | |
| Length | L | 2.874 inch |
| Interface | SK50 | |
| Diameter clamping nut | D | 2.48 inch |
| Mass (weight) | D7 | 8.842 lbs |
| diameter lock nut, external diameter | A5 | 2.48 inch |
| Connection code type machine side | C11 | SKG |
| Connection code form type machine side | C12 | 17 |
| Connection thread nominal size machine side | C13 | M24 |
| Connection code unit base machine side | C14 | 9 |
| Connection code style machine side | C15 | 5 |
| Connection size code machine side | C2 | 0500 |
| Connection code type workpiece side | C51 | ZYL |
| Connection code form type workpiece side | C52 | 10 |
| Connection code unit base workpiece side | C54 | 1 |
| Connection code style workpiece side | C55 | 5 |
| Hand | E1 | N |
| Company identification | J3 | HAI |
| interface code to machine side | J6 | SKG05001795 |
| Weight | WT | 8.842 lbs |
| Connection code type machine side | CCTMS | SKG |
| Connection code unit base workpiece side | CCUWS | 1 |
| Connection code style workpiece side | CCSWS | 5 |
| Hand | HAND | N |
| Company identification | COMPC | HAI |
Downloads
Register to get access to free downloads of CAD data (DXF and STP) on our product websites.
Description
Collet Chuck Type ER, DIN ISO 7388-1, SK50
(formerly DIN 69871)
Quality pass
Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm
All functional surfaces fine machined
Taper tolerance AT3
Coolant supply form AD/AF
For clamping tools with cylindrical shank in ER collets according to ISO 15488.
With steep taper SK50 form AD/AF DIN ISO 7388-1 (formerly DIN 69871).
Form AD/AF means: Central coolant supply and coolant channels on the collar which can be sealed again.
With steep taper SK50 form AD/AF DIN ISO 7388-1 (formerly DIN 69871).
Form AD/AF means: Central coolant supply and coolant channels on the collar which can be sealed again.
- Also suitable for ANSI-CAT
Scope of Delivery
- With locknut (balanced, with slide coating for higher clamping forces)
HAIMER TIP
On request: Locknut type HS (High-Speed, fine balanced, with slide coating for higher clamping forces) on request
Enlarging of size L upon request
Technical specifications
Collet Chuck Type ER, DIN ISO 7388-1, SK50
| Description | Norm: | Value: metric/ inch |
|---|---|---|
| Size | ER40 | |
| Clamping range | 2.5-26.0 | |
| Length A | A | 3.937 inch |
| A-length version | long | |
| Length | L | 2.874 inch |
| Interface | SK50 | |
| Diameter clamping nut | D | 2.48 inch |
| Mass (weight) | D7 | 8.842 lbs |
| diameter lock nut, external diameter | A5 | 2.48 inch |
| Connection code type machine side | C11 | SKG |
| Connection code form type machine side | C12 | 17 |
| Connection thread nominal size machine side | C13 | M24 |
| Connection code unit base machine side | C14 | 9 |
| Connection code style machine side | C15 | 5 |
| Connection size code machine side | C2 | 0500 |
| Connection code type workpiece side | C51 | ZYL |
| Connection code form type workpiece side | C52 | 10 |
| Connection code unit base workpiece side | C54 | 1 |
| Connection code style workpiece side | C55 | 5 |
| Hand | E1 | N |
| Company identification | J3 | HAI |
| interface code to machine side | J6 | SKG05001795 |
| Weight | WT | 8.842 lbs |
| Connection code type machine side | CCTMS | SKG |
| Connection code unit base workpiece side | CCUWS | 1 |
| Connection code style workpiece side | CCSWS | 5 |
| Hand | HAND | N |
| Company identification | COMPC | HAI |
Downloads
Downloads
Register to get access to free downloads of CAD data (DXF and STP) on our product websites.
All product variants
With the help of our filter you can refine your search by selecting attributes.
Filter
| Order No. | A-length version | Clamping range | Interface | Length A | Size | Downloads | metric/ inch |
|---|---|---|---|---|---|---|---|
| 50.320.16 | short | 0,5-10,0 | SK50 | 2.756 inch | ER16 |
Download after registration
|
|
| 50.320.20 | short | 1,5-13,0 | SK50 | 2.756 inch | ER20 |
Download after registration
|
|
| 50.320.25 | short | 1,0-16,0 | SK50 | 2.756 inch | ER25 |
Download after registration
|
|
| 50.320.32 | short | 1,5-20,0 | SK50 | 2.756 inch | ER32 |
Download after registration
|
|
| 50.320.40 | short | 2,5-26,0 | SK50 | 2.756 inch | ER40 |
Download after registration
|
|
| 50.321.16 | long | 0,5-10,0 | SK50 | 3.937 inch | ER16 |
Download after registration
|
|
| 50.321.20 | long | 1,5-13,0 | SK50 | 3.937 inch | ER20 |
Download after registration
|
|
| 50.321.25 | long | 1,0-16,0 | SK50 | 3.937 inch | ER25 |
Download after registration
|
|
| 50.321.32 | long | 1,5-20,0 | SK50 | 3.937 inch | ER32 |
Download after registration
|
|
| 50.321.40 | long | 2,5-26,0 | SK50 | 3.937 inch | ER40 |
Download after registration
|
|
| 50.322.16 | oversize (160 mm) | 0,5-10,0 | SK50 | 6.299 inch | ER16 |
Download after registration
|
|
| 50.322.25 | oversize (160 mm) | 1,0-16,0 | SK50 | 6.299 inch | ER25 |
Download after registration
|
|
| 50.322.32 | oversize (160 mm) | 1,5-20,0 | SK50 | 6.299 inch | ER32 |
Download after registration
|
|
| 50.322.40 | oversize (160 mm) | 2,5-26,0 | SK50 | 6.299 inch | ER40 |
Download after registration
|
|
| 50.326.16 | ZG200 | 0,5-10,0 | SK50 | 7.874 inch | ER16 |
Download after registration
|
|
| 50.326.25 | ZG200 | 1,0-16,0 | SK50 | 7.874 inch | ER25 |
Download after registration
|
|
| 50.326.32 | ZG200 | 1,5-20,0 | SK50 | 7.874 inch | ER32 |
Download after registration
|
|
| 50.326.40 | ZG200 | 2,5-26,0 | SK50 | 7.874 inch | ER40 |
Download after registration
|
Haimer Care
The quality at Haimer is not only
by the product, but also by the
accompanying services.
Scope of service
- Early wear detection
- Preservation of the target condition
- High availability of HAIMER specialists
- Consistent quality level
- Prerequisite for certification according to ISO 9001