Get reliable and accurate tool holding with Carbide Express ER40 Collets, designed for CNC milling, VMC and general machining applications.
ER40 collets provide secure and uniform clamping of cylindrical shank tools such as end mills, drills, reamers and other compatible cutting tools. The precision spring construction provides consistent gripping force and dependable tool holding during machining operations.
Available in multiple bore sizes for different tool shank diameters.
Key Features
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Standard ER40 collet
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Precision CNC tool holding
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Secure and uniform tool clamping
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Suitable for CNC milling and VMC applications
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Compatible with ER40 collet chucks and tool holders
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Suitable for end mills, drills, reamers and other cylindrical shank tools
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Multiple bore sizes available
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Durable spring-steel construction
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Designed for repeatable machining performance
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Suitable for industrial machining applications
Available Sizes / Variants
| Variant |
Bore Size / Clamping Range |
| ER40-3 |
2.5–3.0 mm |
| ER40-3.5 |
3.0–3.5 mm |
| ER40-4 |
3.5–4.0 mm |
| ER40-4.5 |
4.0–4.5 mm |
| ER40-5 |
4.5–5.0 mm |
| ER40-5.5 |
5.0–5.5 mm |
| ER40-6 |
5.5–6.0 mm |
| ER40-6.5 |
6.0–6.5 mm |
| ER40-7 |
6.5–7.0 mm |
| ER40-7.5 |
7.0–7.5 mm |
| ER40-8 |
7.5–8.0 mm |
| ER40-8.5 |
8.0–8.5 mm |
| ER40-9 |
8.5–9.0 mm |
| ER40-9.5 |
9.0–9.5 mm |
| ER40-10 |
9.5–10.0 mm |
| ER40-10.5 |
10.0–10.5 mm |
| ER40-11 |
10.5–11.0 mm |
| ER40-11.5 |
11.0–11.5 mm |
| ER40-12 |
11.5–12.0 mm |
| ER40-12.5 |
12.0–12.5 mm |
| ER40-13 |
12.5–13.0 mm |
| ER40-13.5 |
13.0–13.5 mm |
| ER40-14 |
13.5–14.0 mm |
| ER40-14.5 |
14.0–14.5 mm |
| ER40-15 |
14.5–15.0 mm |
| ER40-15.5 |
15.0–15.5 mm |
| ER40-16 |
15.5–16.0 mm |
| ER40-16.5 |
16.0–16.5 mm |
| ER40-17 |
16.5–17.0 mm |
| ER40-17.5 |
17.0–17.5 mm |
| ER40-18 |
17.5–18.0 mm |
| ER40-18.5 |
18.0–18.5 mm |
| ER40-19 |
18.5–19.0 mm |
| ER40-19.5 |
19.0–19.5 mm |
| ER40-20 |
19.5–20.0 mm |
| ER40-20.5 |
20.0–20.5 mm |
| ER40-21 |
20.5–21.0 mm |
| ER40-21.5 |
21.0–21.5 mm |
| ER40-22 |
21.5–22.0 mm |
| ER40-22.5 |
22.0–22.5 mm |
| ER40-23 |
22.5–23.0 mm |
| ER40-23.5 |
23.0–23.5 mm |
| ER40-24 |
23.5–24.0 mm |
| ER40-24.5 |
24.0–24.5 mm |
| ER40-25 |
24.5–25.0 mm |
| ER40-25.5 |
25.0–25.5 mm |
| ER40-26 |
25.5–26.0 mm |
| ER40-26.5 |
26.0–26.5 mm |
| ER40-27 |
26.5–27.0 mm |
| ER40-27.5 |
27.0–27.5 mm |
| ER40-28 |
27.5–28.0 mm |
Important: Verify the exact bore sizes and clamping ranges against your supplier's ER40 specification before publishing the variants.
Technical Specifications
Product Type: ER40 Collet
Standard: ER40
Application: CNC Tool Holding
Material: Spring Steel
Tooling Application: Milling / Drilling / Machining
Compatibility: ER40 Collet Chuck / ER40 Tool Holder
Bore Sizes: Multiple sizes available
Brand: Carbide Express
Country of Origin: As specified by manufacturer
Applications
Suitable for:
Compatibility
Designed for use with compatible:
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ER40 collet chucks
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ER40 tool holders
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ER40 extension holders
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CNC spindle holders
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Milling tool holders
Always select the correct collet bore size according to the tool shank diameter and confirm compatibility with your ER40 holder.
What's Included
1 × ER40 Collet – Selected Bore Size
Collet nut, chuck and tool holder are not included unless specifically mentioned in the product listing.
Why Carbide Express?
Carbide Express provides industrial tooling and machine-tool accessories with a focus on dependable products, easy online ordering and fast dispatch.
24/7 Industrial Tooling Supply
Carbide inserts supplier India – Contact Carbide Express for reliable carbide inserts and CNC tooling solutions for machining and manufacturing requirements. Explore turning inserts, milling inserts, grooving inserts, threading inserts, positive and negative inserts, VMC tooling, pull studs, tool holders, clamping kits and other essential machining tools. Contact our team for product information, pricing, availability, bulk orders and assistance in selecting the right tooling for your CNC and VMC applications.
