{"product_id":"mini-drill-chuck-collet-set-0-3-3-4mm-universal-dc-motor","title":"Mini Drill Chuck Collet Set 0.3–3.4mm | 5 Sizes + Wrench","description":"\n\u003ch2\u003eMini Drill Chuck Collet Set – Universal Fit for DC Motors \u0026amp; Rotary Tools\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY builds, PCB drilling, and electric grinding projects with this precision \u003cstrong\u003emini drill chuck collet set\u003c\/strong\u003e. Covering a clamping range of \u003cstrong\u003e0.3–3.4mm\u003c\/strong\u003e, it fits the most common DC motor shaft diameters and comes packaged with a small wrench for easy tightening — everything you need in one compact kit.\u003c\/p\u003e\n\n\u003cp\u003eBuilt from \u003cstrong\u003ealuminum alloy and brass\u003c\/strong\u003e, this mini chuck delivers reliable grip and durability for hobby electronics, woodworking, engraving, and model-making applications. Five tail aperture sizes are included to match a wide range of motor shafts right out of the box.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Clamping Range:\u003c\/strong\u003e Securely holds bits from 0.3mm to 3.4mm in diameter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5 Tail Aperture Sizes:\u003c\/strong\u003e 2.0mm \/ 2.35mm \/ 3.0mm \/ 3.17mm \/ 5.0mm — covers the most popular DC motor shafts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Materials:\u003c\/strong\u003e Aluminum alloy body with brass chuck for lasting performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes Mini Wrench:\u003c\/strong\u003e For quick, secure tightening and bit changes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Motor Compatibility:\u003c\/strong\u003e Designed for 180, 385, 555, and 775 DC motors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for DIY \u0026amp; Maker Projects:\u003c\/strong\u003e Perfect for woodworking, electronics assembly, engraving, and model crafting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMotor Compatibility Guide\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eMotor Model\u003c\/th\u003e\n\u003cth\u003eShaft Diameter\u003c\/th\u003e\n\u003cth\u003eCollet Size\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e180 Motor\u003c\/td\u003e\n\u003ctd\u003e2.0mm\u003c\/td\u003e\n\u003ctd\u003e2.0mm tail aperture\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e385 Motor\u003c\/td\u003e\n\u003ctd\u003e2.35mm\u003c\/td\u003e\n\u003ctd\u003e2.35mm tail aperture\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e555 Motor\u003c\/td\u003e\n\u003ctd\u003e3.17mm\u003c\/td\u003e\n\u003ctd\u003e3.17mm tail aperture\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e775 Motor\u003c\/td\u003e\n\u003ctd\u003e5.0mm\u003c\/td\u003e\n\u003ctd\u003e5.0mm tail aperture\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum Alloy + Brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClamping Range:\u003c\/strong\u003e 0.3–3.4mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTail Aperture Sizes:\u003c\/strong\u003e 2.0mm, 2.35mm, 3.0mm, 3.17mm, 5.0mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1× Mini Chuck + 1× Small Wrench\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003ePro Tip:\u003c\/strong\u003e If your motor model is unknown, use a caliper accurate to 0.1mm to precisely measure the motor shaft diameter before selecting your collet size.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/25-in-1-precision-magnetic-screwdriver-set-pro-repair-tool-kit\"\u003e25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/34-compartment-double-sided-hardware-storage-box-removable-dividers\"\u003e34-Compartment Double-Sided Hardware Storage Box \u0026amp; Dividers\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/5-in-1-diamond-ceramic-knife-sharpener-kitchen-scissors\"\u003e5-in-1 Diamond Knife Sharpener | Kitchen \u0026amp; Scissor Sharpener\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What DC motor shaft sizes does this mini chuck collet set support?\u003c\/h4\u003e\n\u003cp\u003eA: This set includes five tail aperture sizes — 2.0mm, 2.35mm, 3.0mm, 3.17mm, and 5.0mm — to match the most common DC motor shaft diameters, including 180, 385, 555, and 775 motor models. If your motor shaft diameter falls outside these standard sizes, measure it carefully with a caliper before ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the clamping range for the drill bits this chuck can hold?\u003c\/h4\u003e\n\u003cp\u003eA: The mini drill chuck collet clamps bits ranging from 0.3mm to 3.4mm in diameter, making it suitable for precision drilling, engraving, PCB work, and small-scale woodworking or hobby projects.\u003c\/p\u003e\n\u003ch4\u003eQ: What materials is this mini drill chuck made from?\u003c\/h4\u003e\n\u003cp\u003eA: The chuck body is constructed from aluminum alloy combined with a brass collet, offering a balance of lightweight handling and durable grip for regular workshop or hobby use.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this set come with a wrench for tightening?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, each set includes one mini chuck and one small wrench, so you can securely tighten and swap out drill bits without needing any additional tools.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What DC motor shaft sizes does this mini chuck collet set support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This set includes five tail aperture sizes — 2.0mm, 2.35mm, 3.0mm, 3.17mm, and 5.0mm — to match the most common DC motor shaft diameters, including 180, 385, 555, and 775 motor models. 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