Spindle Tooling

Cutting Tools

angle

bore_sizemm

collet_sizemm

diameter

diametermm

individual_or_set

length

lengthmm

morse_taper

series

shank_type

spigot_size

brand

categoryId

stockStatus

rangeable_number_of_pieces

Toolholding

Collets

Indexa

Manufactured from hardened and tempered high alloy steel. 
Conform to DIN 6499.



Single angle collets from Indexa. Designed to be incredibly durable. 

Features and Benefits
• Manufactured from hardened and tempered high alloy steel

Standards
• Conform to DIN 6499



ER - Single Angle Collets

4.0-3.0 ER16 SINGLE ANGLE COLLET

6.0-5.0 ER16 SINGLE ANGLE COLLET

7.0-6.0 ER16 SINGLE ANGLE COLLET

8.0-7.0 ER16 SINGLE ANGLE COLLET

2.0-1.0 ER25 SINGLE ANGLE COLLET

4.0-3.0 ER25 SINGLE ANGLE COLLET

6.0-5.0 ER25 SINGLE ANGLE COLLET

8.0-7.0 ER25 SINGLE ANGLE COLLET

9.0-8.0 ER25 SINGLE ANGLE COLLET

10.0-9.0 ER25 SINGLE ANGLE COLLET

12.0-11.0 ER25 SINGLE ANGLE COLLET

5.0-4.0 ER32 SINGLE ANGLE COLLET

6.0-5.0 ER32 SINGLE ANGLE COLLET

7.0-6.0 ER32 SINGLE ANGLE COLLET

9.0-8.0 ER32 SINGLE ANGLE COLLET

10.0-9.0 ER32 SINGLE ANGLE COLLET

13.0-12.0 ER32 SINGLE ANGLE COLLET

15.0-14.0 ER32 SINGLE ANGLE COLLET

18.0-17.0 ER32 SINGLE ANGLE COLLET

Indexa ER Collets are available in the in a range of sizes to maximise efficiency in most applications, they are manufactured from hardened and tempered high alloy steel. All supplied in hardwearing bench cases with protective foam inserts.

Conform to DIN 6499.
Up to 10.0mm - 0.015mm TIR.
11.0 to 18.0mm - 0.015 to 0.020mm TIR.
19.0 to 26.0mm - 0.015 to 0.020mm TIR.

For all technical and dimensional specifications please refer to our catalogue.

Indexa® ER collets are the most versatile tool holding system for any operation that utilises a round shank cutting tool in a machining centre and is suitable for a wide range of applications.

Features and Benefits
• Manufactured from hardened and tempered high alloy steel 
• All supplied in hard wearing bench cases
• Well maintained ER system components result in increased tool life, higher feed rates, better work piece accuracy and enhanced work piece finish
• Variety of sets available to suit application 

Typical Applications
• Drilling
• Milling
• Tapping
• Reaming
• Boring

Standards
• Conforms to DIN 6499

Notes
• Sets available:
• ER11: Number of collets: 10 - Range 1.0 - 7.0mm
• ER16: Number of collets: 9 - Range 1.0 - 10.0mm 
• ER20: Number of collets: 11 - Range 2.0 - 13.0mm 
• ER25: Number of collets: 15 - Range 1.0 - 16.0mm
• ER32: Number of collets: 18 - Range 2.0 - 20.0mm
• ER40: Number of collets: 23 - Range 3.0 - 26.0mm



ER Collet Sets

ER20 2-13mm COLLET SET

Pull Studs

Pull Studs - Standard 

(CH = Chamfered Shoulder)
DIN 69872 

Pull Studs - Standard - Chamfered Shoulder

DN40-CH-PSA DIN 698 72 PULL STUD

DN50-CH-PSA DIN 698 72 PULL STUD

Pull Studs - Standard - BT Type

BT30-TYPE PS1 MAS 403 PULL STUD

Available in bore sizes: 
Metric: 3, 6, 8, 10, 11, 12, 14, 16 and 20mm. 
Inch: 1/4, 3/8, 1/2, 5/8/ 3/4 and 7/8??.

R8 -  Collets for Bridgeport Machines

Used directly in the machine spindle for general purpose milling and drilling operations,  collets have dedicated bores for specific cutter shank sizes.

Dimensions: A = 24.1mm, B = 102.3mm, C = 31.5mm T = 7/16" UNF.
Angle: a = 8°25'.

R8 -  Collets for Bridgeport Machines

R8-BC 6mm COLLET

R8-BC 10mm COLLET

Spindle Tooling

Indexa

4.0-3.0 ER16 SINGLE ANGLE COLLET

34 Variations

Indexa

6.0-5.0 ER16 SINGLE ANGLE COLLET

34 Variations

Indexa

7.0-6.0 ER16 SINGLE ANGLE COLLET

34 Variations

Indexa

8.0-7.0 ER16 SINGLE ANGLE COLLET

34 Variations

Indexa

2.0-1.0 ER25 SINGLE ANGLE COLLET

34 Variations

Indexa

4.0-3.0 ER25 SINGLE ANGLE COLLET

34 Variations

Indexa

6.0-5.0 ER25 SINGLE ANGLE COLLET

34 Variations

Indexa

8.0-7.0 ER25 SINGLE ANGLE COLLET

34 Variations

Indexa

9.0-8.0 ER25 SINGLE ANGLE COLLET

34 Variations

Indexa

10.0-9.0 ER25 SINGLE ANGLE COLLET

34 Variations

Indexa

12.0-11.0 ER25 SINGLE ANGLE COLLET

34 Variations

Indexa

5.0-4.0 ER32 SINGLE ANGLE COLLET

34 Variations

Indexa

6.0-5.0 ER32 SINGLE ANGLE COLLET

34 Variations

Indexa

7.0-6.0 ER32 SINGLE ANGLE COLLET

34 Variations

Indexa

9.0-8.0 ER32 SINGLE ANGLE COLLET

34 Variations

Indexa

10.0-9.0 ER32 SINGLE ANGLE COLLET

34 Variations

Indexa

13.0-12.0 ER32 SINGLE ANGLE COLLET

34 Variations

Indexa

15.0-14.0 ER32 SINGLE ANGLE COLLET

34 Variations

Indexa

18.0-17.0 ER32 SINGLE ANGLE COLLET

34 Variations

Indexa

ER20 2-13mm COLLET SET

5 Variations

Indexa

DN40-CH-PSA DIN 698 72 PULL STUD

2 Variations

Indexa

DN50-CH-PSA DIN 698 72 PULL STUD

2 Variations

Indexa

BT30-TYPE PS1 MAS 403 PULL STUD

5 Variations

Indexa

R8-BC 6mm COLLET

8 Variations

Indexa

R8-BC 10mm COLLET

8 Variations

Key Information

Group Policies

© 2024 Cromwell. All rights reserved.