Techniks Precision Tooling 04240-1 2 ER40 Precision Collet

Description:

The Techniks Precision Tooling 04240-1 2 ER40 Precision Collet is used in CNC machining systems to securely clamp cutting tools with exceptional concentricity for high-precision milling, drilling, and boring operations. Commonly installed in ER40 collet chucks on CNC machining centers, milling machines, machining cells, and OEM metalworking equipment requiring accurate tool holding and minimal runout. Maintenance teams, CNC machinists, and manufacturing engineers use this precision collet for replacement of worn collets, tooling upgrades, precision machining applications, and improving machining accuracy and tool life.

Applications:

The Techniks Precision Tooling 04240-1 2 ER40 Precision Collet is designed for high-precision machining applications requiring secure tool clamping and excellent repeatability. It is widely used in aerospace manufacturing, automotive machining, mold and die production, medical device manufacturing, general metalworking, and precision CNC production environments where superior gripping force and low runout are essential.

Technical Specifications:

• Manufacturer: Techniks Precision Tooling
• Manufacturer Part Number (MPN): 04240-1/2
• Product Type: ER40 Precision Collet
• Collet Series: ER40
• Nominal Shank Capacity: 1/2 in (12.7 mm)
• Clamping Range: 0.461–0.500 in (11.71–12.70 mm)
• Outside Diameter: 1.61 in (40.9 mm)
• Overall Length: 1-13/16 in (45.7 mm)
• Collapse Range: 0.039 in (1 mm)
• Material: High-Carbon Bearing Steel
• Finish: Precision Ground
• T.I.R. Accuracy: Average 0.0002 in (0.005 mm)
• Maximum Coolant Pressure: Up to 2,000 PSI (with compatible coolant system)
• Compatible Holders: ER40 Collet Chucks, DR, RD, ESX, AR, and BR Series Tool Holders
• Primary Function: Precision Tool Clamping for CNC Machining
• Service Application: Replacement, Retrofit, Precision Machining, and Preventive Maintenance

Common Replacements:

• Techniks Precision Tooling 04240-3/8 ER40 Precision Collet
• Techniks Precision Tooling 04240-5/8 ER40 Precision Collet
• Rego-Fix ER40 Precision Collet