Boka ER40 precision collets 0.01mm concentricity size 4-26mm
Boka ER40 precision collets 0.01mm concentricity size 4-26mm - ER40-4mm is backordered and will ship as soon as it is back in stock.
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Delivery and transport
Delivery and transport
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SHIPPING OPTIONS
GEM Maschinen GmbH uses DHL or freight forwarding services to ship your orders. Orders are processed within 24 hours of receipt. A shipping confirmation will be sent via email.
SHIPPING COSTS
OVERWEIGHT ITEMS
Orders shipped via freight are subject to additional charges for overweight items, as indicated on the respective product page. Customers are responsible for any additional charges, such as lift tables, when shipping by truck.
- Over 30 kg within Germany.
- Over 30 kg outside Germany.
Return conditions
- In case of manufacturer defects or quality defects: Free return and full refund.
- For returns not due to quality defects: The customer bears the return shipping costs. If the product arrives in perfect, resalable condition upon receipt (no impairment of resaleability), we do not charge the 15 percent wear and tear fee.
Boka ER40 precision collets 0.01mm concentricity size 4-26mm
Boka ER40 precision collet series
Discover the Boka ER40 high-precision collet series . Made from hardened 65Mn spring steel, they offer 0.01mm concentricity (4x D) and are compatible with all ER40 collet chucks . Designed for milling, turning, and drilling machines, they are characterized by durability and increased wear resistance . This is achieved through thermal aging and cryogenic treatment . Optimum performance is ensured by full tool shank insertion.
Interested in a complete set? Check out our ER series set here.
Product advantages
- High concentricity: Boka ER40 collets offer concentricity of less than 0.01mm (4x D). This ensures high precision for precise applications.
- Quality material and hardening: Made of high-quality 65Mn spring steel, fully hardened. This ensures high strength and a long service life.
- Improved durability through process: Thermal aging eliminates stresses. Cryogenic treatment increases wear resistance and stability.
- Secure tool holder: For cylindrical tool shanks. Always insert the shank completely for optimal clamping performance.
- Standards Compatibility: Boka ER40 collets meet industry standards. Compatible with common ER40 collet chucks.
Technical data
| Article (parameter) | ER40-4 | ER40-5 | ER40-6 | ER40-7 | ER40-8 | ER40-9 | ER40-10 | ER40-11 | ER40-12 | ER40-13 | ER40-14 | ER40-15 | ER40-16 | ER40-17 | ER40-18 | ER40-19 | ER40-20 | ER40-21 | ER40-22 | ER40-23 | ER40-24 | ER40-25 | ER40-26 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SKU | 56031101 | 56031102 | 56031103 | 56031104 | 56031105 | 56031106 | 56031107 | 56031108 | 56031109 | 56031110 | 56031111 | 56031112 | 56031113 | 56031114 | 56031115 | 56031116 | 56031117 | 56031118 | 56031119 | 56031120 | 56031121 | 56031122 | 56031123 |
| Model | ER40-4mm | ER40-5mm | ER40-6mm | ER40-7mm | ER40-8mm | ER40-9mm | ER40-10mm | ER40-11mm | ER40-12mm | ER40-13mm | ER40-14mm | ER40-15mm | ER40-16mm | ER40-17mm | ER40-18mm | ER40-19mm | ER40-20mm | ER40-21mm | ER40-22mm | ER40-23mm | ER40-24mm | ER40-25mm | ER40-26mm |
| Size (d) | 4mm | 5mm | 6mm | 7mm | 8mm | 9mm | 10mm | 11mm | 12mm | 13mm | 14mm | 15mm | 16mm | 17mm | 18mm | 19mm | 20mm | 21mm | 22mm | 23mm | 24mm | 25mm | 26mm |
| clamping area | 4mm-3mm | 5mm-4mm | 6mm-5mm | 7mm-6mm | 8mm-7mm | 9mm-8mm | 10mm-9mm | 11mm-10mm | 12mm-11mm | 13mm-12mm | 14mm-13mm | 15mm-14mm | 16mm-15mm | 17mm-16mm | 18mm-17mm | 19mm-18mm | 20mm-19mm | 21mm-20mm | 22mm-21mm | 23mm-22mm | 24mm-23mm | 25mm-24mm | 26mm-25mm |
| Diameter (D) | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm | 41mm |
| Total length (L) | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm |
| Concentricity | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm | 0.01mm |
| form | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round | Round |
| Material type | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel |
| Packaging dimensions (mm) | 39x39x45 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 | 47x47x52 |
| Gross weight (kg) | 0.28 | 0.27 | 0.27 | 0.27 | 0.27 | 0.28 | 0.28 | 0.28 | 0.27 | 0.27 | 0.27 | 0.26 | 0.26 | 0.25 | 0.24 | 0.24 | 0.22 | 0.22 | 0.21 | 0.21 | 0.19 | 0.18 | 0.17 |
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