Skip to main content
Home / Couplings / Rigid Coupling Aluminum Alloy Rigid Shaft Coupler Sleeve Motor Direct Connect Integrated Engraving Machine Clamping High Torque

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Couplings
Origin -
Material High-Grade Aluminum Alloy
Type Rigid Shaft Coupling
Connection Method Direct Connect with Clamping Screws
Surface Finish Black Anodized
Torque Capacity High Torque Transmission
Primary Application Engraving Machines and CNC Motors
Design Feature Integrated Sleeve Structure
Precision Level Zero Backlash Design
Durability Corrosion Resistant
Installation Easy Mounting with Hex Keys

6 reviews

A

Anonymous

Mar 29, 2026

Rating: 5/5

Perfect for my CNC upgrade

This rigid coupling fit perfectly on my engraving machine motor shaft. The aluminum alloy feels very sturdy and the clamping mechanism holds tight without slipping.

A

Anonymous

Mar 20, 2026

Rating: 4/5

Good quality, precise fit

Excellent build quality. It transferred torque efficiently with no noticeable vibration. Took off one star because the instructions were minimal, but installation was still straightforward.

A

Anonymous

Mar 20, 2026

Rating: 3/5

Works well but sizing was tricky

The product itself is great quality, but make sure you measure your shaft diameter twice before ordering. I had to exchange for a different size initially.

A

Anonymous

Mar 19, 2026

Rating: 5/5

Solid construction

The anodized finish is smooth and the machining tolerances are impressive. No wobble at all when running at high speeds.

A

Anonymous

Mar 11, 2026

Rating: 5/5

Best value for money

Compared to other brands, this offers the best balance of price and performance. The integrated sleeve design makes alignment much easier.

A

Anonymous

Mar 01, 2026

Rating: 5/5

High torque performance

I needed a coupler that could handle high torque for a direct connect setup. This unit performs flawlessly under load. Highly recommended for industrial hobbyists.

5 FAQ

Q: Does this coupling allow for any misalignment between shafts?

A: No, this is a rigid coupling designed for precise alignment. It does not accommodate angular or parallel misalignment like flexible couplings do.

Q: Is this suitable for outdoor use?

A: While the aluminum alloy is anodized for corrosion resistance, we recommend using it in controlled indoor environments for optimal longevity, especially in harsh weather conditions.

Q: What tools are required for installation?

A: You will need a standard hex key (Allen wrench) set to tighten the clamping screws. The specific size depends on the screw head included with your model.

Q: Can I use this with a stepper motor?

A: Yes, this coupling is commonly used to connect stepper motors to lead screws or spindles in engraving and CNC applications.

Q: How do I clean the coupling if it gets dirty?

A: Simply wipe it down with a soft cloth and mild solvent. Avoid abrasive cleaners that could damage the anodized surface.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Chengdu University City Laboratory Exhaust Piping and High-Purity Gas Pipeline Engineering - Consultation Welcome

Chengdu University City Laboratory Exhaust Piping and High-Purity Gas Pipeline Engineering - Consultation Welcome

$33,610.00

Premium Factory Supply Decorative Chains - Pendant Light Chains, Advertising Sign Hanging Chains, Anti-Static Iron Chains, Small Iron Links

Premium Factory Supply Decorative Chains - Pendant Light Chains, Advertising Sign Hanging Chains, Anti-Static Iron Chains, Small Iron Links

$61.15

[Damai Holds Micro-Needle Hair Transplant Patent] Precision Eyebrow Transplant – Custom Aesthetic Design

[Damai Holds Micro-Needle Hair Transplant Patent] Precision Eyebrow Transplant – Custom Aesthetic Design

$12,797.60

Commercial Dumpling & Bun Filling Machine – Automatic Stainless Steel Vegetable Chopper

Commercial Dumpling & Bun Filling Machine – Automatic Stainless Steel Vegetable Chopper

$4,400.00

HVAC Fan VFD Control Cabinet with Power Frequency to Variable Frequency Conversion

HVAC Fan VFD Control Cabinet with Power Frequency to Variable Frequency Conversion

$1,238.00

Export Quality Original Bathroom Paint Pens, Yellow and Green (2-Pack), Draw on Tiles and Glass

Export Quality Original Bathroom Paint Pens, Yellow and Green (2-Pack), Draw on Tiles and Glass

$4.93

Imported Automotive Transmission Differential Bearing B39-4 580704A

Imported Automotive Transmission Differential Bearing B39-4 580704A

$338.00

Fully Automatic Carbon Steel and Stainless Steel Filter, Self-Cleaning Vertical Filter, Automatic Blowdown Filter

Fully Automatic Carbon Steel and Stainless Steel Filter, Self-Cleaning Vertical Filter, Automatic Blowdown Filter

$37,500.00

Sheepskin Rattle for Babies 0-3 Years - Chewable Intangible Cultural Heritage Handmade Toy with Solid Wood and Brass Shaker Stick, Newborn Gift Box

Sheepskin Rattle for Babies 0-3 Years - Chewable Intangible Cultural Heritage Handmade Toy with Solid Wood and Brass Shaker Stick, Newborn Gift Box

$12.78

Swiss ITI Dental Implant / Korean Imported Dentium Implant Package with Crown - Shanghai Hospital

Swiss ITI Dental Implant / Korean Imported Dentium Implant Package with Crown - Shanghai Hospital

$3,980.00

Yandi Retainer Storage Case - Double-Layer Drain & Soak Box for Invisible Aligners and Orthodontic Cleaning

Yandi Retainer Storage Case - Double-Layer Drain & Soak Box for Invisible Aligners and Orthodontic Cleaning

$30.50

Leaf-Shaped Template Stamp for Kids - Transparent Silicone DIY Mold with Sponge for Maple Leaf Rubbing and Painting

Leaf-Shaped Template Stamp for Kids - Transparent Silicone DIY Mold with Sponge for Maple Leaf Rubbing and Painting

$4.93

High-Speed Internal Clamping Double Diaphragm Coupling High Torque Servo Motor Leadscrew Module Elastic Coupler

High-Speed Internal Clamping Double Diaphragm Coupling High Torque Servo Motor Leadscrew Module Elastic Coupler

$367.30

Eye-Care Journaling Highlighters for Students - Colorful Markers for Note-Taking and Key Points

Eye-Care Journaling Highlighters for Students - Colorful Markers for Note-Taking and Key Points

$3.02

Natural Stone Abacus Beads with Large Holes 5*10mm White Crystal Rose Crystal Flat Beads Jewelry Accessories Semi-Precious Stones

Natural Stone Abacus Beads with Large Holes 5*10mm White Crystal Rose Crystal Flat Beads Jewelry Accessories Semi-Precious Stones

$1.50

Heavy-Duty Lifting Chain with Shackles at Both Ends - Manganese Steel Hoist for Pipes, Rebar, and Stones

Heavy-Duty Lifting Chain with Shackles at Both Ends - Manganese Steel Hoist for Pipes, Rebar, and Stones

$72.00

Industrial Large Roll Oil-Absorbent Paper, Jumbo Lint-Free Wiping Rolls, Cleaning Paper, Wholesale Industrial Jumbo Rolls

Industrial Large Roll Oil-Absorbent Paper, Jumbo Lint-Free Wiping Rolls, Cleaning Paper, Wholesale Industrial Jumbo Rolls

$150.00

5-Inch Flocked Scouring Pad, Stainless Steel Rust Removal and Polishing Disc, Circular Brush Cloth with Backed Flocking for Polishing

5-Inch Flocked Scouring Pad, Stainless Steel Rust Removal and Polishing Disc, Circular Brush Cloth with Backed Flocking for Polishing

$25.00

High-Temperature Fire-Resistant Cotton Incense Burner Mat, Flame-Retardant Pad for Stick Incense Boxes and Aromatherapy Burners, Heat Insulation for Burning Incense

High-Temperature Fire-Resistant Cotton Incense Burner Mat, Flame-Retardant Pad for Stick Incense Boxes and Aromatherapy Burners, Heat Insulation for Burning Incense

$2.98

80 Pairs Zhuji Ankle Socks, Solid Color All-Season Trendy Student Casual Sports Boat Socks, Disposable Short Socks

80 Pairs Zhuji Ankle Socks, Solid Color All-Season Trendy Student Casual Sports Boat Socks, Disposable Short Socks

$9.14

Smart Toilet Storage Rack for Bathroom, Multi-Tier Floor-Standing Organizer with Waterproof Tissue Holder

Smart Toilet Storage Rack for Bathroom, Multi-Tier Floor-Standing Organizer with Waterproof Tissue Holder

$273.00

Yihuashu Calligraphy Felt Mat - Thickened Grid Cloth for Student Practice, Brush Writing Pad

Yihuashu Calligraphy Felt Mat - Thickened Grid Cloth for Student Practice, Brush Writing Pad

$1.98

Xiankan Yunshu [Danran] Ceramic Brush Washer - Hand-Painted Elegant Lily Design under Glaze for Calligraphy Supplies

Xiankan Yunshu [Danran] Ceramic Brush Washer - Hand-Painted Elegant Lily Design under Glaze for Calligraphy Supplies

$32.90

Chunfei Grocery Store Commuter Hard Fork Low-Step Mountain Bike for Road, City, Suburb, School, and Outings

Chunfei Grocery Store Commuter Hard Fork Low-Step Mountain Bike for Road, City, Suburb, School, and Outings

$2,224.64

Zhang Xiaofeng 'Fu Lu' Hotpot Inkstone Set – Covered Ceramic Ink Well for Calligraphy and Chinese Painting

Zhang Xiaofeng 'Fu Lu' Hotpot Inkstone Set – Covered Ceramic Ink Well for Calligraphy and Chinese Painting

$38.00

Invisalign Orthodontic Retainer Case, Portable Storage and Cleaning Box for Aligners and Dentures

Invisalign Orthodontic Retainer Case, Portable Storage and Cleaning Box for Aligners and Dentures

$12.30

Natural 7A Lavender Loose Beads Single Round Bead DIY Amethyst Spacer Beads Jewelry Making Semi-Finished Accessories

Natural 7A Lavender Loose Beads Single Round Bead DIY Amethyst Spacer Beads Jewelry Making Semi-Finished Accessories

$0.88

Paint Brush Cleaner - Mini Toilet Style Rinser for Watercolor and Gouache, Art Supply with Circulating Water System

Paint Brush Cleaner - Mini Toilet Style Rinser for Watercolor and Gouache, Art Supply with Circulating Water System

$16.90

Traditional Wooden Rattle Drum with Sheepskin Head for Early Education, Visual Tracking and Hearing Training for Newborn Boys and Girls

Traditional Wooden Rattle Drum with Sheepskin Head for Early Education, Visual Tracking and Hearing Training for Newborn Boys and Girls

$10.80

Car Tire Stone Removal Hook, Stainless Steel Multi-Function Tool for Cleaning Pebbles from Tires

Car Tire Stone Removal Hook, Stainless Steel Multi-Function Tool for Cleaning Pebbles from Tires

$6.21