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Description
The Techniks 04788 ER32 straight shank holder is a precision collet chuck made for straight-shank toolholding in CNC applications. This ER32 straight shank collet chuck features an 80 mm projection to give extended reach while maintaining rigidity where possible. Constructed from 8620 steel, the ER32 1.5" diameter shank holder offers durable service and resistance to deformation under load. Overall length of 118.1 mm and a 1.5" body diameter make the holder compatible with common straight-shank tool changer systems. The holder accepts ER32 collets with a capacity range from 1.1 mm up to 21 mm, covering many milling and drilling tool sizes. A 50 mm lock nut diameter and 38 mm body diameter provide stable clamping and straightforward torque application during tool changes. Gage length 38 mm ensures consistent tool protrusion and setup repeatability for production machining cycles. The Techniks ER32 precision holder is built for shops requiring versatile tooling while keeping setup and runout under control. The single-ended design simplifies installation and inspection without sacrificing holding force for light to medium machining. This ER32 80 mm projection machining holder balances reach, accessibility and the need for controlled deflection in common operations. Technicians should keep taper and collet seats clean to maintain concentricity and minimize runout over time. The STRSHK taper tool holder 1.5" style supports both metric and imperial tooling units for broad shop compatibility. While not dynamically balanced, the holder’s construction suits many moderate-speed operations where ER32 tooling is appropriate. Use the Techniks 04788 ER32 straight shank holder to extend tool reach with reliable ER32 collet clamping for varied production runs. Select this ER32 straight shank collet chuck when you need a robust, easy-to-service holder with wide capacity and predictable performance.
Product Features and Benefits
80 mm Projection for Reach
The 80 mm projection ER32 tool holder provides additional reach for tooling access without requiring special extensions.
8620 Steel Construction
The Techniks ER32 precision holder is machined from 8620 steel for strength and dimensional stability under machining loads.
Wide Capacity Range
The ER32 straight shank collet chuck accepts 1.1–21 mm tool diameters, supporting a broad set of milling and drilling cutters.
Robust Lock Nut Diameter
A 50 mm lock nut diameter ensures positive collet compression and consistent clamping across the ER32 collet range.
Compact Overall Length
With an overall length of 118.1 mm, the STRSHK taper tool holder 1.5” is compact enough for many tool paths while offering 80 mm reach.
Product Specifications
| UNSPSC Code | 27112807 |
| Collet Series | ER32 |
| Body Dia-Workpiece Side (in) | 1.969 |
| Body Dia-Workpiece Side (mm) | 50 |
| Gage Length (in) | 1.496 |
| Gage Length (mm) | 38 |
| Gage Length-Face Contact (in) | N/A |
| Gage Length-Face Contact (mm) | N/A |
| Lock Nut Diameter (in) | 1.97 |
| Lock Nut Diameter (mm) | 50 |
| Overall Length (in) | 4.65 |
| Overall Length (mm) | 118.1 |
| Material | 8620 Steel |
| Taper | 1-1/2" Straight Shank |
| Overall Diameter (in) | 1.5 |
| Overall Diameter (mm) | 38.1 |
| Unit of Tool | Metric or Inch |
| Type | SS Collet Chuck |
| Style | Single Ended |
| Capacity Range (in) | 0.043" - 0.83" |
| Capacity Range (mm) | 1.1 - 21mm |
| Balanced to | N/A |
Frequently Asked Questions
What projection does the Techniks 04788 ER32 holder provide?
The Techniks 04788 ER32 straight shank holder provides an 80 mm projection for extended tool reach.
What tool diameter range does the ER32 straight shank collet chuck accept?
This ER32 chuck supports tool diameters from 1.1 mm up to 21 mm (0.043"–0.83").
What material is the Techniks 04788 made from?
The Techniks 04788 ER32 straight shank holder is manufactured from 8620 steel for durability and stability.
Is the ER32 1.5" diameter shank holder balanced for high RPM?
The specification does not state dynamic balancing; it is best used in moderate-speed applications where ER32 tooling is appropriate.
How should I maintain the ER32 collet holder to minimize runout?
Keep the taper and collet seats clean, inspect collets for wear, and ensure proper torque on the lock nut to preserve concentricity.
Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov
Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov
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