0.3-3.4Mm Universal Small Electronic Drill Bit Collet Mini Chuck Tool Set Fixtur

Specification: Product name: Multi-functional electric grinding copper drill chuck + small wrench set. Material: Aluminum Ally + Brass. Clamping range: 0.3-3.4mm. Specifications (tail aperture): 2.0mm/2.35mm/3.0mm/3.17mm/5.0mm. Common DC motor selection specifications: 180 motor -- 2.0mm shaft diameter. 385 motor--2.35mm shaft diameter. 555 motor--3.17mm shaft diameter. 775 motor--5.0mm shaft diameter.

Packing:1PC

NOTE: For a motor whose model is unknown, or a motor whose shaft diameter is known but whose shaft diameter cannot be found, it is necessary to use a caliper accurate to 0.1mm to measure the precise motor shaft diameter, and then select the specification of the corresponding shaft diameter.

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