GEMKIT Multifunction Air-Free Pneumatic Engraving Machine for Jewelry, Built-in Compressor, 3-in-1 Engraving/Polishing/Drilling, 0-35000RPM Micromotor, Interchangeable Pistons, HH-AT02

Professional GEMKIT jewelry-making tool designed for accurate, repeatable workshop use. Model HH-AT02.

Key Features

• 🚫 No External Air Compressor – True All-in-One – Forget bulky, noisy compressors. Built‑in air‑free system delivers powerful pneumatic engraving right from the control box. Plug, play, and save valuable bench space.
• 🎛️ 3-in-1 Function: Engrave, Polish, Drill – Mode selector knob switches between G (Engraving), P (Polishing), and D (Drilling). Includes a separate 0-35,000 RPM micromotor handpiece for rotary tasks – no second machine needed.
• ⚙️ Interchangeable Pistons for Light to Heavy Work – Comes with 4g and 6g pistons. Swap easily by unscrewing the handpiece handle. Use lighter piston for fine bulino and shading; heavier piston for deep cuts in steel, titanium, and hard metals.
• 🎯 Precision Dual Controls + Foot Pedal – Power knob adjusts stroke force; speed knob controls stroke frequency (0–100%). Included foot pedal gives hands‑free variable control. Digital display shows real‑time settings.
• 🧰 Complete Ready-to-Use Kit – Includes: pneumatic handpiece + micromotor handpiece, 6 quick-change chucks (2.35mm), 6 gravers, graver base & holder, 2 pistons (4g/6g), foot pedal, carbon brushes, wrenches, power cord, and user manual. 1-year warranty.

Model: HH-AT02