Precision Brass Electric Motor Shaft Clamp Drill Chuck Set This versatile drill chuck and shaft clamp set is designed for secure, accurate, and efficient drilling with small electric motors. Made from durable brass and precisionengineered to fit a range of shaft sizes, it offers stability and compatibility for detailed work. Key Features: quality brass construction for strength, durability, and corrosion resistance Compatible with 3.17 mm electric motor shafts JT0 drill clamp fits drill bits from 0.3 mm to 4 mm for wide application flexibility Precise shaft coupling ensures secure connection between motor and drill chuck Easy installation and removal for quick tool changes Specifications: Material: Brass Motor Shaft Diameter Compatibility: 3.17 mm Drill Chuck Clamping Range: 0.3 mm to 4 mm Connection Type: JT0 rod coupling Benefits: Provides a stable and secure grip for accurate drilling with small bits Reduces vibration and misalignment for improved drilling precision Allows easy adaptation of various drill bit sizes to your motor setup Extends motor versatility for hobby, craft, or light industrial use Applications: 1. Hobbyist projects requiring precise hole drilling in wood, plastic, or soft metals with micro drill bits. 2. Electronics prototyping, enabling accurate drilling for circuit boards and enclosures. 3. Model building and fine mechanical work where consistent accuracy and secure bit holding are essential. This brass electric motor shaft clamp drill chuck set is an essential accessory for anyone using small electric motors for precision drilling tasks, ensuring reliable performance, secure bit holding, and expanded versatility for multiple project types.