CHK-3.175 Chuck high-precision collet

CHK-3.175 chuck high high-precision collet 
Key Specifications

• Nominal Bore Size: 3.175 mm (equivalent to 1/8 inch), designed to hold tools with a corresponding shank diameter.
• Dimensions: Typically features an outer diameter of φ10.5 mm and an overall length of 21.0 mm.
• Maximum Speed: Rated for high-speed operation up to 125,000 rpm.
• High Precision: Offers stable clamping with low runout (TIR), often specified at less than 0.003 mm to 0.005 mm depending on the grade. 

Compatible Spindle Models The CHK-3.175 collet is an accessory for various Nakanishi/NSK high-speed spindles and motors, including: 

• Electric Spindles: EM30-S6000, EMA-3020K, EMS-3060K, EMR-3008K.
• Air Spindles/Grinders: NR-3060S, NR-403E, NR-453E, NR-151E, and NRAF-5080.
• Angle Attachments: RAS-151E, RAX-271E, and RAX-71E.