The CHR series precision collet is an original accessory from Nakanishi, Japan, and is suitable for the E3000 series NR50-5100ATC high-speed spindle. The pinch accuracy is ≤ 5μm, and the clamping force is stable, which can effectively improve the tool concentricity and machining accuracy. Offering a wide selection of clamping specifications, it is widely used in precision drilling, milling, engraving and automated machining equipment, and is an important clamping accessory for high-speed spindle systems.
Features
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Specifications
| 筒夹 | 编号 | 型号 | 内径（mm） | 适配主轴型号 |
|---|---|---|---|---|
| 筒夹CHR系列 | 91930 | CHR-3.0 | ø3.0 |
E3000系列 NR50-5100ATC |
| 91993 | CHR-3.175 | ø3.175 | ||
| 91996 | CHR-6.35 | ø6.35 | ||
| 91920 | CHR-2.0 | ø2.0 | ||
| 91940 | CHR-4.0 | ø4.0 | ||
| 91960 | CHR-6.0 | ø6.0 |
Source reference: Super Tooling (Shenzhen) — partner-supplied precision tooling specifications, distributed by Merex Precision Tools with full traceability and pre-sales engineering support.
For OEM bulk pricing, dimensional drawings (PDF/STEP), or sample evaluation units, contact [email protected]. Application engineers respond within one business day.
Request a Quote / Inquiry
Pricing and availability for NAKANISHI Nakanishi CHR-2.0 precision collet｜2.0mm high-speed spindle chuck (SKU: NAKANISHI-CHR-2.0) may change frequently.
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