Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Pure Copper |
| Inner Diameter | 2.3 mm / 3.17 mm |
| Outer Diameter | 5.0 mm |
| Length | 10 mm |
| Color | Copper Gold |
| Weight | 2 grams per piece |
| Surface Finish | Polished |
| Compatibility | DC Motor Shafts, Drill Chucks |
| Package Quantity | 5 Pieces |
| Brand | Jiangge |
Anonymous
Apr 02, 2026
Rating: 4/5
Good Value for Money
Solid construction. I used them for a DIY drill modification. One piece was slightly tight but worked out after polishing.
Anonymous
Mar 30, 2026
Rating: 5/5
Fast Delivery
Item arrived well packaged. The copper sleeves are exactly as described in the listing. Will buy again.
Anonymous
Mar 25, 2026
Rating: 5/5
Excellent Quality
Very smooth surface finish. No burrs on the edges. Highly recommend for hobbyist motor connections.
Anonymous
Feb 02, 2026
Rating: 3/5
Check Your Measurements
Make sure you measure your shaft precisely. The 2.3 mm size is quite specific. Works fine once you have the right match.
Anonymous
Feb 01, 2026
Rating: 5/5
Perfect Fit for My Project
These sleeves fit perfectly on my 3.17 mm motor shafts. The copper quality is excellent and they are easy to install.
Q: Are these sold individually or in a pack?
A: These are sold in a pack of 5 pieces as indicated in the package quantity attribute.
Q: Will this fit a standard 3 mm motor shaft?
A: No, this sleeve is designed specifically for 2.3 mm or 3.17 mm shafts. It may be loose on a 3 mm shaft.
Q: What is the wall thickness of the sleeve?
A: The wall thickness is approximately 1.5 mm depending on the inner diameter selected.
Q: Can these handle high RPM applications?
A: They are suitable for standard hobby motor speeds. For industrial high-speed applications, please consult technical specs.
Q: Is the copper soft enough to solder?
A: Yes, the material is pure copper and can be soldered with standard electronics soldering equipment.
Naitong Automatic Retractable Air Hose Reel with PU Braided Hose for Pneumatic Tools and Car Detailing
$119.00
Premium Wall-Mounted Aromatherapy Empty Bottle – 100ML Plastic Square Diffuser Bottle with Wall-Mount Adhesive Sticker
$2.98
Leyingfang Floating Pen for Kids' Water Drawing, Colorful Water-Soluble Suspended Markers, Erasable Watercolor Pens
$13.80
Loose Rose Quartz Beads, Donghai Agate, Chalcedony, Jadeite, and Madagascar Pink Crystal for DIY Jewelry Making
$6.72
Expandable Stainless Steel Sink Rack, Multi-Function Kitchen Drain Board for Fruits, Vegetables, and Utensils
$14.90
Transparent Retainer Case Aligner Storage Box Portable Carry-On Squeeze Bag Orthodontic Appliance Rubber Band Cleaning Box
$18.50
Transparent Data Cable Organizer Bag for Travel - Portable Multi-Use Visible Storage for Digital Chargers and Cable Management
$7.36
Finished Seal Calligraphy Finished Stone Stamp Sellos Chines
$108.58
Chunfei Grocery Store Commuter Hard Fork Low-Beam Mountain Bike for Urban Roads, Suburbs, School, and Outings
$2,247.00
6-Cavity Large Square French Flower DIY Soap Silicone Mold for Essential Oil and Milk Soap
$4.93
Home Balcony Vegetable Planter - Self-Watering Plastic Pot for Strawberries and Succulents
$28.00
Pressure Swing Adsorption Nitrogen Generator - High-Purity Nitrogen Device for Heat Treatment
$36,456.00
6-Cavity 3D Rose Silicone Mold for DIY Soap Making Heat-Resistant Non-Stick Large Size for Milk Soap and Essential Oil Soap
$5.80
Traditional Handmade Baby Teething Rattle Sheepskin Wooden Clapper Newborn Toy Intangible Cultural Heritage
$29.85
Manufacturer Supply ZSJC02 Film Splicing Table, Alignment Table, Film Inspection Table
$4,484.00
Box-Type Oxygen Generator Export Equipment - Stable Nitrogen and Oxygen Production for Wastewater Treatment
$25,000.00
Wholesale Acrylic Paint Stick Set, 3ml x 12 Colors, Non-Toxic for Children's DIY and Street Art
$2.01
Cheese Processing Equipment - Small Pasteurized Fresh Milk Production Line, Fully Automatic Cheese Making Machine
$66,500.00
Household Mini Range Hood, Portable USB Desktop Smoke Extractor for Living Room Hot Pot & BBQ Odor Removal
$41.00
Sanitary Grade Stainless Steel Low-Temperature Vacuum Single-Effect Falling Film Evaporator for Milk Powder and Juice Processing
$4,158.00
Chain Shortener & Lifting Rigging - Double Chain Hook Assembly for Overhead Cranes and Hoists
$130.00
Youlian Toast Shaping Machine Dough Molder Square Bread Shaper Bakery Equipment YSN-T380
$9,695.20
Michelin Tire 255/50R20 109V - Compatible with VW Teramont, Trumpchi GS8, AITO M7, Li Auto L7/L8/L9, and NIO ES6
$550.00
Traditional Wooden Rattle with Sheepskin Head for Early Education Newborns Boys and Girls Visual Tracking Grip and Hearing Training
$11.88
French Canson Classic Printmaking Paper 100% Cotton 320g for Screen Printing, Woodcut, Copperplate, Lithography; 250g Cotton Pulp 60*76cm Half Sheet 8K Quarter Sheet A4 Printmaking Painting Tool Set Ink Roll Rubbing Paper
$7.65
Fan Start Capacitor 8uF for ABB ACS800 VFD
$350.00
babycare Baby Rattle with Teether for Newborns, Silicone Shaker Bell Educational Toy for Infants and Toddlers
$39.90
Class 100 Clean Workbench and Laminar Flow Hood, Negative Pressure Weighing Booth, Direct from Manufacturer
$2,475.00
1.9m 4-Printhead Digital Sublimation Printer for Diatom Mud, Polyester Fabric, and Garment Heat Transfer Printing
$600.00
ergo5950 Acrylic Specialty Adhesive - High-Strength Bond for Acrylic Sheets, PMMA, Glass, Fish Tanks, PLA, and PC Boards
$57.84
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
