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Tooling, Accessories & Consumables · Lathe & milling tooling

Optimum Sidelock End Mill Holders

Sidelock endmill holders to suit NT40 BT40 and BT50

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NZ owned Since 1989
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Auckland + Christchurch Two support hubs
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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 side lock end mill holders are robust, high-precision tool holders designed for securely clamping end mills with a straight shank. Featuring a side-locking screw mechanism, they provide a solid and repeatable grip, ideal for heavy milling, slotting, and roughing applications. Manufactured from hardened, precision-ground steel and available in taper types such as BT, NT, and MT, these holders ensure excellent concentricity, reduced vibration, and long service life. A reliable choice for both CNC and manual milling operations.

Features:

  • Side-lock clamping securely holds straight-shank end mills with set screw fastening
  • Precision-ground body. Ensures excellent concentricity and reduced tool runout
  • Hardened alloy steel. Provides strength, durability, and long service life
  • High clamping force is ideal for heavy duty milling, slotting, and roughing operations
  • Axial length control maintains consistent tool length for accurate machining
  • Balanced design i suitable for high-speed CNC or conventional milling applications

Published data

Specifications

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Specifications for Optimum Sidelock End Mill Holders
Optimum Optimum side lock tool holders
Taper Model Length Diameter Price Excl GST
BT40 SL6 -75 6mm $115.00
BT40 SL8 -75 8mm $115.00
BT40 SL10 -75 10mm $115.00
BT40 SL12 -75 12mm $115.00
BT40 SL12 -120 12mm $180.00
BT40 SL14 -75 14mm $115.00
BT40 SL16 -75 16mm $115.00
BT40 SL20 -75 20mm $115.00
BT40 SL25 -90 25mm $125.00
BT40 SL32 -90 32mm $125.00
BT50 SL6 -75 6mm $205.00
BT50 SL8 -75 8mm $205.00
BT50 SL10 -75 10mm $205.00
BT50 SL12 -75 12mm $205.00
BT50 SL14 -75 14mm $205.00
BT50 SL16 -75 16mm $205.00
BT50 SL20 -75 20mm $205.00
BT50 SL25 -105 25mm $220.00
BT50 SL32 -105 32mm $220.00
BT50 SL40 -120 40mm $250.00
BT50 SL42 -120 42mm $260.00

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Regarding Optimum Sidelock End Mill Holders