Home DIY Woodworking Keyless Chuck Adapter Kit Metal Rotary Tool Quick-Change Tool Holder 0.5mm to 3.2mm Drill Bit Set

Brief introduction of the productThe complete set includes multi-grid brass sandwich cores, self-locking lock nuts, and matching disassembly and assembly wrenches, which are suitable for most small electric grinders, polishing pens, and straight grinders; used to hold grinding heads, grinding discs, drill bits, polishing heads, engraving needles, and other types of grinding heads. accessories, multi-hole grids adapt to rods of different thicknesses, and it is convenient and quick to replace the grinding head. it is a regular replacement consumable kit for electric grinders.Set accessory listBrass core (multi-specification aperture, suitable for grinding head rods of different diameters)Silver metal self-locking collet cap x3Black heavy-duty locking collet cap x2Open-end wrench ×1Small hexagonal wrench ×1Material descriptionClamp core: high-elasticity brass material ensures a tight and secure grip. it's wear-resistant, slip-resistant, and crack-resistant, providing excellent concentricity during clamping.Locking nut: high-strength metal + non-slip knurled texture, easy to tighten and not easy to loosen during long-term high-speed operationWrench: made of quenched carbon steel, with high hardness, not easy to deform and slip when disassembling and assembling.Core product advantages✅ multi-grid sandwich full coverage, suitable for 0.3~3.2mm common grinding rods, one electric grinder can be neutral for all types of grinding, engraving, and polishing accessories✅ brass chuck with elastic tightening, stable clamping, no eccentricity or shaking when rotating at high speed, and higher precision in grinding and engraving✅ the outer wall of the nut has a non-slip knurled design, which saves effort when pre-tightening with bare hands. it is more secure when locked with a wrench, and it is not easy to loosen during high-speed operations.✅ universally compatible with most brands of direct-plug small electric grinders and handheld sanding pens on the market.✅ complete set of replacement parts, directly replace the chuck wear and cracked chuck core, no need to replace the entire electric grinder, saving costs✅ easy to assemble and disassemble, even beginners can quickly replace the grinding head.Applicable work scenariosWood carving, core carving, jade, amber, metal fine carving and groovingMetal rust removal, burr grinding, solder joint polishing, chamfering and trimmingJewelry diy, model trimming, acrylic, wood board hole cuttingManicure polishing, cleaning and polishing of cultural toys, polishing and trimming of buddhist beadsRust removal of small hardware parts, mold grinding, and fine trimming of corners