Collet Chuck Type ER, DIN ISO 7388-1, SK50

(formerly DIN 69871)

Order number: 50.321.25

Size

ER16

ER20

ER25

ER32

ER40

A-length version

short

long

oversize (160 mm)

ZG200

Product request

show all versions

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.

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

The most important features:

1. Fine balanced G2.5 at 25,000 rpm
2. All functional surfaces grinded
3. Fine balanced ER nut
4. High runout accuracy

Collet Chuck Type ER, DIN ISO 7388-1, SK50

Description	Norm:	Value: metric/ inch
Size		ER25
Clamping range		1,0-16,0
Length A	A	100 mm
A-length version		long
Length	L	57 mm
Interface		SK50
Diameter clamping nut	D	42 mm
Mass (weight)	D7	3,440 kg
diameter lock nut, external diameter	A5	42 mm
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	3,440 kg
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

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

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

The most important features:

1. Fine balanced G2.5 at 25,000 rpm
2. All functional surfaces grinded
3. Fine balanced ER nut
4. High runout accuracy

Technical specifications

Collet Chuck Type ER, DIN ISO 7388-1, SK50

Description	Norm:	Value: metric/ inch
Size		ER25
Clamping range		1,0-16,0
Length A	A	100 mm
A-length version		long
Length	L	57 mm
Interface		SK50
Diameter clamping nut	D	42 mm
Mass (weight)	D7	3,440 kg
diameter lock nut, external diameter	A5	42 mm
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	3,440 kg
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

All product variants

With the help of our filter you can refine your search by selecting attributes.

Order No.	A-length version	Clamping range	Interface	Length A	Size	Downloads	metric/ inch
50.320.16	short	0,5-10,0	SK50	70 mm	ER16	Download after registration	login
50.320.20	short	1,5-13,0	SK50	70 mm	ER20	Download after registration	login
50.320.25	short	1,0-16,0	SK50	70 mm	ER25	Download after registration	login
50.320.32	short	1,5-20,0	SK50	70 mm	ER32	Download after registration	login
50.320.40	short	2,5-26,0	SK50	70 mm	ER40	Download after registration	login
50.321.16	long	0,5-10,0	SK50	100 mm	ER16	Download after registration	login
50.321.20	long	1,5-13,0	SK50	100 mm	ER20	Download after registration	login
50.321.25	long	1,0-16,0	SK50	100 mm	ER25	Download after registration	login
50.321.32	long	1,5-20,0	SK50	100 mm	ER32	Download after registration	login
50.321.40	long	2,5-26,0	SK50	100 mm	ER40	Download after registration	login
50.322.16	oversize (160 mm)	0,5-10,0	SK50	160 mm	ER16	Download after registration	login
50.322.25	oversize (160 mm)	1,0-16,0	SK50	160 mm	ER25	Download after registration	login
50.322.32	oversize (160 mm)	1,5-20,0	SK50	160 mm	ER32	Download after registration	login
50.322.40	oversize (160 mm)	2,5-26,0	SK50	160 mm	ER40	Download after registration	login
50.326.16	ZG200	0,5-10,0	SK50	200 mm	ER16	Download after registration	login
50.326.25	ZG200	1,0-16,0	SK50	200 mm	ER25	Download after registration	login
50.326.32	ZG200	1,5-20,0	SK50	200 mm	ER32	Download after registration	login
50.326.40	ZG200	2,5-26,0	SK50	200 mm	ER40	Download after registration	login