Midland Tools
Keyless Drill Chuck
Keyless Drill Chuck
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Keyless Drill Chuck
Keyless Drill Chuck — precision collet for holding straight-shank tools (end mills, drills, taps, reamers) in CNC milling machines, machining centres, and drill presses. Hardened steel body, precision ground for low runout (typical TIR < 0.01 mm at nose). Slotted sleeve design compresses evenly around the tool shank when the nut is tightened.
Also searched as: ER collet, spring collet, tool collet, CNC collet holder, precision collet chuck.
Specifications
| Brand | Midland Tools |
| Type | Drill Chuck |
| Material | Hardened tool steel, precision ground |
| Runout (TIR) | < 0.01 mm at nose (typical) |
| Sold as | Per piece |
ER-collet quick reference
| Collet series | Clamping range | Common use |
|---|---|---|
| ER-11 | 0.5–7 mm | Micro-end mills, PCB drills |
| ER-16 | 1–10 mm | Small mills, drills |
| ER-20 | 1–13 mm | General-purpose milling |
| ER-25 | 1–16 mm | Standard machining centre |
| ER-32 | 3–20 mm | Heavy milling, shell mill arbors |
| ER-40 | 3–26 mm | Large end mills, face mill arbors |
Each collet clamps a narrow 1 mm sub-range — use the correct collet size for each shank diameter.
Dispatch: Same day from Chandni Chowk, Delhi. India-wide shipping.
Need a full ER collet set, specific size, or matching collet chuck? WhatsApp us at +91 70111 82829.
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