Drill Set bit Drill Chuck Collets Set of Quick Chuck for Mini Tools Copper Drill Folder Copper Cap Axis Drill Collet Tool Kit with Wrench 0.2mm-0.7mm Drill Collet Adapter

Specifications:Material: BrassSize: 25mm(L) x 8mm(Dia.)Diameter of backshaft (match the motor shaft): 2mm/2.3mm/3.17mmShaft-Max Drill Bit Size(min-max): 2-0.7 (0.2mm-0.7mm), 2-1.2 (0.7mm-1.2mm), 2-1.5 (1.0mm-1.5mm), 2-2.5 (1.8mm-2.5mm), 2-3.17 (2.5mm-3.2mm), 2.3-0.7 (0.2mm-0.7mm), 2.3-1.2 (0.7mm-1.2mm), 2.3-1.5 (1.0mm-1.5mm), 2.3-2.3 (1.6mm-2.3mm), 2.3-3.17 (2.5mm-3.2mm), 3.17-0.7 (0.2mm-0.7mm), 3.17-1.2 (0.7mm-1.2mm), 3.17-1.5 (1.0mm-1.5mm), 3.17-2.0 (1.4mm-2.0mm), 3.17-2.5 (2.0mm-2.5mm), 3.17-3.17 (2.5mm-3.2mm)Item Included:2pcs drill bits chuck( come with 4 screw）Note：1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3cm measuring deviation due to manual measurement.

• Concentricity adjustment method: Before lock bit need to adjust the concentricity,otherwise there will be a violent vibration,power on rotate awhile on the smooth surface of the floor or glass, lock bit after bit concentric.
• 2-0.7 (0.2mm-0.7mm) means: Diameter of motor shaft is 2 mm. Fit max 0.7mm drill bit. Also fit 0.2 mm to 0.7 mm drill bit.
• Material: Brass
• Size: 25mm(L) x 8mm(Dia.)
• Diameter of backshaft (match the motor shaft): 2mm/2.3mm/3.17mm