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Description
| Technical Data | |
|---|---|
| Type | 9833 |
| Size | ER 32 |
| Standard | DIN 6499 (ISO 15488) |
| DIN designation | D32 |
| Outside Diameter D | 50 mm |
| Height H | 22.5 mm |
| Thread | M40×1.5 |
| Collet Clamping Range | 2 – 20 mm |
| Tightening Torque | 80 – 100 Nm |
ER 32 nut – clamping component for DIN 6499 collets
The ER 32 nut model from the type 9833 series is designed for collet chucks under intensive use on machining centers and CNC milling machines. With an M40×1.5 thread conforming to DIN 6499 (ISO 15488), the nut ensures secure, repeatable clamping of ER 32 collets over a diameter range of 2 to 20 mm. The outside diameter of 50 mm and height of 22.5 mm correspond to the D32 standard, ensuring full interchangeability with chucks from all leading manufacturers. Hardened steel with a hardness of 45-50 HRC ensures years of service without visible signs of wear.
Key features of the ER 32 nut
- Repeatable clamping accuracy thanks to the M40×1.5 thread of class 6H and a precisely machined tapered surface that compresses the collet evenly around its entire circumference
- Resistance to dynamic loads resulting from through-hardening the steel to 45-50 HRC, which eliminates deformation at tightening torques of up to 100 Nm
- Compliance with DIN 6499 (ISO 15488) allowing trouble-free interchange of nuts between chucks from different manufacturers without additional calibration
- The ER 32 collet clamping range of 2 to 20 mm covers most shank diameters of milling cutters, drills, and special tools used in series production
- The slotted face of the nut accepts a dedicated ER wrench or hook spanner, minimizing tool change time at the operator's workstation
- The black oxide finish protects the thread and taper against corrosion caused by contact with coolant emulsions and cutting oils
The ER 32 nut is used in maintenance departments, toolrooms, and shops that refurbish machine tooling. The recommended tightening torque is 80-100 Nm using a torque wrench, achieving radial runout below 0.01 mm. Lubricating the thread with machine oil every 200-300 tool change cycles significantly extends the service life of both the nut and the collet chuck.
Frequently asked questions
The ER 32 nut works with ER 32 collets with a clamping range of 2 to 20 mm. Each collet covers a range of 1 mm, so a set of 18 collets is needed to cover the full range.
The recommended tightening torque for the ER 32 nut is 80-100 Nm. A torque wrench is essential because excessive tightening force deforms the collet and reduces tool clamping concentricity.
Yes, the ER 32 nut with an M40×1.5 thread is fully compatible with all chucks conforming to DIN 6499 (ISO 15488). This standard ensures component interchangeability regardless of the chuck manufacturer's brand.
Product accessories
Collet chuck 7626 40 100 ER32 MAS 403 BT
Reference: 0000011163 In stock > 10 items
€34.21
€42.08 brutto
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| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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