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Tooling, Accessories & Consumables · Lathe & milling tooling

Optimum Straight Shank ER Collet Chucks

Straight shank collet holders

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NZ Prepared, installed and supported nationwide by Scott Machinery.

Optimum ER collet holders
NZ owned Since 1989
Industry people Practical machine advice
Auckland + Christchurch Two support hubs
Nationwide support Installation, training & service
Parts & accessories Large local range

Product overview

About this machine.

Optimum Maschinen is a respected German company known for manufacturing high-quality machine tools built to strict European standards. Since its founding in 2003, Optimum has become a trusted name in the metalworking industry, offering a wide range of equipment including metal lathes, milling machines, drilling machines, and grinding tools. Designed in Germany and engineered for precision, reliability, and durability, Optimum machines are used across workshops, training centres, and industrial environments throughout Europe and beyond. Their products are developed with a strong emphasis on innovation, safety, and compliance with European CE regulations, ensuring exceptional performance and long service life.

Optimum straight shank ER collet chucks are a versatile and precise tool holding solution, ideal for milling, drilling, and grinding applications. Designed to suit a wide range of machines, these chucks feature a ground straight shank for easy adaptation to toolholders, sleeves, or custom setups. Manufactured to high concentricity standards for minimal runout, they ensure secure, accurate clamping of round tools. Compatible with standard ER collets, they offer excellent gripping power and quick tool changes.

Features

  • Precision ground straight shank for easy integration with sleeves or custom toolholders
  • Compatible with standard ER collets (ER16, ER20, ER25, ER32, etc.)
  • High concentricity (+/- 0.015 mm) for reduced runout and improved machining accuracy
  • Hardened and ground body for durability and wear resistance
  • Wide clamping range for versatile tool holding
  • Ideal for milling, drilling, grinding, and general machining applications
  • Smooth surface finish to reduce vibration and enhance tool life
  • Available in various shank diameters and lengths to suit different setups

Published data

Specifications

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Specifications for Optimum Straight Shank ER Collet Chucks
Optimum ER collet holders
Shank Type & Diameter Collet Size Length Shank Diameter Price Excl GST
BC20 -ER16 -120 20mm $115.00
BC20 -ER20 -120 20mm $125.00
BC25 -ER25 25mm $165.00
SL25 -ER32 -140 25mm $160.00
BC25 -ER40 25mm $175.00
BC32 -ER16 -150 32mm $150.00
SL32 -ER32 -125 32mm $175.00
SL40 -ER32 -135 40mm $190.00

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Auckland · Christchurch · Nationwide support
Regarding Optimum Straight Shank ER Collet Chucks