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Mini drill chuck with key, metallic finish

Ruth's sister

Ruth's sister internal power cable .3mm

SKU CH-QT7V-X89CH

A mini drill chuck with a 0.3-4mm clamping range and JT0 taper mount, supplied with a chuck key

  • Mini drill chuck clamps bits down to 0.3 mm
  • JT0 taper mount fits compatible lathe spindles directly
  • Includes chuck key for secure tightening
  • Adapter design adds versatility for light-duty machining

Mini drill chuck for precision work

This mini drill chuck accepts bits from 0.3 mm to 4 mm and mounts on a JT0 taper. It is aimed at hobbyists and light-duty machinists who need a compact chuck for small lathes or bench drills. The package includes the chuck key for tightening.

Sustained use stays accurate within the clamping

The JT0 taper holds the chuck securely during extended drilling sessions. Run-out remains consistent as long as the bit diameter stays inside the stated 0.3 mm to 4 mm limits. Users needing larger shank diameters or a different taper will need another solution.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 91% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How much power does this .3mm internal cable draw when the system runs all day?

The cable is a passive connector with no active electronics, so it draws no power itself; only the components it supplies will consume electricity.

What connectors must already be on my power supply and devices for this .3mm cable to fit?

It requires a matching .3mm pitch header on both the PSU and the target component; verify those headers exist before installation.

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