This Techniks ISO 40 x ER40-70 tool holder is a high-precision collet
chuck engineered for superior performance in CNC machining applications. With a
70mm gage length and balanced to G2.5 at 25,000 RPM, it provides exceptional
concentricity and stability for high-speed operations. Designed to hold ER40
collets securely, it includes the matching Techniks collet nut for immediate
use.
Crafted from high-grade steel, the holder is heat treated and precision
ground for extended durability and long-term accuracy. This model does not have
drive slots and is ideal for applications where maximum surface contact and
runout control are critical.
Specifications
• Taper: ISO 40
• Collet Type: ER40
• Gage Length: 70mm
• Max RPM: 25,000 (Balanced G2.5)
• Nut Included: Yes (Techniks #46140)
• Drive Slots: None (solid shank)
• Body Material: Hardened steel
• Finish: Precision ground
• Origin: Taiwan
• Techniks Part #: 42261-W
• Markings: DAT40XER40-70, G2.5 25000RPM