Robotics Accessories - UNIVERSAL CIRCUIT SYSTEM

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“4-Channel Relay Module Board with Optocoupler Isolation” was added to the compare list

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“Flexible Helical Shaft Coupling” was added to the compare list

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Flexible Plum Jaw Shaft Coupler
Premium Flexible Plum Jaw Shaft Coupler (D25 L30)

Maximize your machine’s precision with this high-performance Flexible Plum Jaw Shaft Coupler. Engineered for CNC machines, 3D printers, and servo/stepper motor assemblies, this zero-backlash component delivers flawless rotational transmission while protecting your system from mechanical wear.

Vibration Dampening: Premium polyurethane spider core absorbs shocks and dampens motor harmonics.

Misalignment Compensation: Automatically corrects parallel, angular, and axial shaft offsets to prevent structural binding.

Zero-Backlash Precision: Ensures highly accurate, 1:1 synchronous positioning for tight-tolerance operations.

Secure Clamping Design: Dual aluminum clamp hubs provide uniform grip to eliminate slippage without damaging shafts.

Specifications: 25mm Outer Diameter (OD) x 30mm Length (L) with a precision-bored 6mm to 6mm connection.

To ensure this matches your exact build, let me know:

Do you need this exact 6mm to 6mm bore, or a different size pairing (e.g., 5mm to 8mm)?

What type of motor (e.g., NEMA 17, NEMA 23, Servo) are you mounting it to?

Do you prefer this clamping hub style, or a set-screw (grub screw) style?
৳ 300.00~~৳ 350.00~~ 14% off
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Flexible Plum Jaw Shaft Coupler
৳ 300.00~~৳ 350.00~~ 14% off
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SCSxxUU Series Linear Motion Ball Bearing Slide Block 8MM
SCSxxUU Linear Ball Bearing Slide Block

The SCSxxUU Series Slide Block is a high-precision, low-friction linear motion unit designed for smooth travel along round shafts. It features a lightweight, corrosion-resistant anodized aluminum housing and an integrated high-carbon steel linear bushing with internal recirculating ball circuits. Equipped with double-sided rubber dust seals to keep out debris and pre-drilled metric mounting holes, it is the ideal component for DIY 3D printers, CNC machinery, and industrial automation.

Material: Anodized Aluminum Alloy Housing & GCr15 Steel Bushing

Sizes Available: Standard metric bores (8mm, 10mm, 12mm, 16mm, etc.)

Key Features: Low friction, smooth movement, long service life, and easy mounting

If you want to tailor this further, let me know your exact bore size (e.g., 8mm for SC8UU) or the target marketplace (e.g., Amazon, Shopify) so I can optimize the keywords!
৳ 290.00~~৳ 330.00~~ 12% off
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SCSxxUU Series Linear Motion Ball Bearing Slide Block 8MM
৳ 290.00~~৳ 330.00~~ 12% off
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Aluminum Flexible Helical Beam Shaft Coupler
Compact Aluminum Flexible Helical Beam Shaft Coupler

High-Precision Power Transmission

This Aluminum Flexible Helical Beam Shaft Coupler is designed to seamlessly connect driving shafts (like stepper motors) to driven shafts (like lead screws). Machined from high-strength aluminum alloy, it features a specialized helical spiral cut that provides excellent multi-axial flexibility while maintaining zero backlash for precise rotational timing.

Critical Component Protection

Misalignment Correction: Absorbs parallel, angular, and axial misalignments to prevent mechanical binding.

Bearing Protection: Isolates structural stress, drastically reducing wear on sensitive motor bearings and guide rails.

Vibration Damping: Dampens high-frequency harmonic vibrations for smoother operations and cleaner finishes.

Secure Fastening: Equipped with dual metric set-screws on both ends for a slip-free, reliable hold.

Perfect for 3D printers (eliminating Z-wobble), CNC routers, rotary encoders, and precision robotics.
৳ 250.00~~৳ 300.00~~ 17% off
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Aluminum Flexible Helical Beam Shaft Coupler
৳ 250.00~~৳ 300.00~~ 17% off
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Aluminum Flexible Helical Beam Shaft Coupler (8mm to 5mm)
Aluminum Flexible Helical Beam Shaft Coupler (8mm to 5mm)

Quick Overview

This high-precision aluminum flexible helical beam coupler is designed to connect a 5mm motor shaft directly to an 8mm lead screw or rod [image_DjbKdZ.png]. Featuring a parallel-slit helical design, it provides zero-backlash torque transmission while flexing to correct angular, parallel, and axial misalignments between components [image_DjbKdZ.png].

Key Highlights

Perfect Transition Size: NEMA 17 standard 5mm bore to T8 lead screw 8mm bore [image_DjbKdZ.png].

Compact Form Factor: 25mm overall length with an outer diameter of 19mm [image_DjbKdZ.png].

Zero-Backlash Motion: Stiff rotational drive ensures precise positional accuracy for 3D printers and CNC machines.

Bearing Protection: Absorbs alignment errors and vibrations, drastically extending the life of your stepper motor bearings.

Secure Fastening: Equipped with dual radial set-screws on each side for a slip-free grip on the shafts [image_DjbKdZ.png].

If you are replacing a faulty coupler, let me know:

Is your machine a 3D printer or a CNC router?

Are you dealing with any shaft slippage issues during high-speed moves?

I can share tips on using thread-locking fluid or creating flat spots on your shafts for a permanent fix.
৳ 250.00~~৳ 300.00~~ 17% off
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Aluminum Flexible Helical Beam Shaft Coupler (8mm to 5mm)
৳ 250.00~~৳ 300.00~~ 17% off
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Flexible Helical Shaft Coupling
Aluminum Flexible Beam Shaft Coupler

Application: Connects stepper motors to lead screws in 3D printers, CNC routers, and robotics.

Function: Compensates for parallel/angular misalignment and dampens vibration while maintaining zero backlash.

Material: Lightweight, high-strength aluminum alloy.

Fixing Type: Secure dual-end set screw clamping.

Standard Size: Outer diameter 19mm, length 25mm (D19L25) [Image 1, Image 6].

Are you checking compatibility for a specific setup? Let me know your motor and lead screw shaft sizes to find the correct bore diameters.
৳ 250.00~~৳ 300.00~~ 17% off
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Flexible Helical Shaft Coupling
৳ 250.00~~৳ 300.00~~ 17% off