- ✓Verified supplier14 years trading on 1688
- ✓Hardware and mechanical parts specialistMain category: Hardware and mechanical parts
Dispatch within 72 hours · worldwide shipping
Stainless Steel Universal Joint, Small Coupling Model, Motor Coupling, Vehicle and Ship Parts, 17 Options
Price range: $8.99 through $26.97
Couplings supplied in 17 options for machine, pipe and structural work. Sizes and prices are listed below. Trade and bulk orders are welcome.
Shipping & Delivery
-
Standard courier delivery
Tracked door-to-door delivery from our Shenzhen warehouse.
6-25 business days, depending on destination
From $7.30 · Free shipping from $99 (by order weight)
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Express courier delivery
DHL, FedEx or UPS will deliver to the specified address.
2-8 business days, depending on destination
From $13.90
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12-month warranty
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30-day returns
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Product Information
Product Attributes
| Type | Couplings |
| Material | As per options |
| Options | 17 |
| Unit weight | 0.01 kg |
| Customisation | OEM and ODM available |
Packaging Information
Unit weight and carton dimensions for every model in this listing.
| Model | Weight (lb) |
|---|---|
| Unit | 0.022 |
Figures are measured per single unit. Carton quantities and mixed pallets are available on request.
Couplings supplied for joining, sealing, transmitting and supporting machine and structure work. The range covers 17 options, and each option is priced separately so the cost can be matched to the job rather than averaged across the range. Made by a verified 1688 maker.
Couplings: Overview
This listing covers 17 options of couplings, and every option is held in stock so a single unit and a repeat order ship from the same batch.
The specification is fixed by the supplier’s tooling, so what arrives on a repeat order matches what arrived on the first one.
Buying direct from the maker keeps the price at trade level and keeps the door open for bulk cartons and OEM branding on the same item.
Key Features at a Glance
- 17 options – sizes and grades to suit different duties, all priced separately.
- Trade supply – single units and bulk cartons from the same production batch.
- OEM and ODM – custom logo and custom packaging available on request.
- Export packing – boxed for shipment and cartoned for pallet or container loads.
Using Couplings
Matching the item to the job
Start from the joining, sealing, transmitting and supporting machine and structure work you actually do, then choose the size and the grade from the table above. Buying the heaviest option for light work costs money on every order, and buying the lightest option for heavy work costs more in replacement.
Where the range offers several sizes, keep one of each common size in stock rather than several of the one you use most. The second size is what saves a second delivery.
Working practice
Set the item up square and tight before work starts. Most of the damage reported on couplings comes from starting a job with something loose or misaligned rather than from the load itself.
Work at the speed and the feed the material allows. Pushing harder to save a minute is what shortens the life of the item and spoils the finish at the same time.
Buying and Care
Buying in quantity
Prices fall with quantity, and mixing sizes in one carton is normally possible. Tell us the sizes and the split you want and we will quote the carton and the pallet.
For repeat business a sample order first is the cheapest way to confirm the grade, the finish and the packing before a container is booked.
Storage and upkeep
Keep fittings dry and lightly oiled in store. Threads and machined faces that are allowed to rust will not torque down to the figure they were made for.
Fit with the correct size of key or spanner and torque to the figure the joint calls for, rather than by feel.
Available Models and Prices
| Model | Option | Price (USD) |
|---|---|---|
| 3 x 4 | 3 x 4 | $20.98 |
| 3.17 x 4 | 3.17 x 4 | $20.98 |
| 5 x 5 | 5 x 5 | $20.98 |
| 4 x 4 | 4 x 4 | $20.98 |
| 6 x 4 | 6 x 4 | $19.18 |
| 8 x 8 | 8 x 8 | $26.97 |
| Option 7 | Option 7 | $8.99 |
| 10 x 10 | 10 x 10 | $26.97 |
| 2.3 x 3 | 2.3 x 3 | $20.98 |
| 2 x 2 | 2 x 2 | $20.98 |
| 2 x 2.3 | 2 x 2.3 | $20.98 |
| 3 x 3 | 3 x 3 | $20.98 |
| 3 x 5 | 3 x 5 | $20.98 |
| 5 x 8 | 5 x 8 | $26.97 |
| 8 x 10 | 8 x 10 | $26.97 |
| 3 x 2 | 3 x 2 | $20.98 |
| 12 x 12 | 12 x 12 | $26.97 |
All options are in stock unless marked otherwise. Prices are per unit in USD; carton and pallet prices on request.
Specifications
| Type | Couplings |
| Material | As per options |
| Options | 17 |
| Unit weight | 0.01 kg |
| Customisation | OEM and ODM available |
| Market | Export and domestic trade |
| Packed weight (base unit) | 0.022 lb (0.01 kg) |
| Country/region of origin | China |
| Model options | 17 configurations available |
Packaging Information
| Model | Weight (lb) |
|---|---|
| Unit | 0.022 |
Units ship boxed and are cartoned for pallet or container loads. Mixed sizes in one carton are available on request.
Where It Is Used
Machine building and repair, pipework and process plant, structural and civil work, vehicle and agricultural equipment, and general industrial maintenance.
Choosing Couplings
- Match the thread, the diameter and the pressure or load rating to the drawing first. Material and finish then decide how long the part lasts in the environment it works in.
- Check the size and the quantity against the job before ordering, and ask for a sample where the grade is not obvious from the photograph.
- Allow for spares on the sizes you use daily. A second unit in the van or the store is cheaper than a lost day.
Care and Maintenance
Keep fittings dry and lightly oiled in store. Threads and machined faces that are allowed to rust will not torque down to the figure they were made for.
Fit with the correct size of key or spanner and torque to the figure the joint calls for, rather than by feel.
OEM and Bulk Supply
Custom logo, printed packaging and own-brand cartons are available on this item, and the supplier accepts OEM and ODM work.
Tell us the artwork, the carton quantity and the market the goods are going to, and we will quote the tooling and the lead time before the order is placed.
Frequently Asked Questions
Which options are available?
This listing covers 17 options: 3 x 4; 3.17 x 4; 5 x 5; 4 x 4; 6 x 4; 8 x 8; Option 7; 10 x 10; 2.3 x 3; 2 x 2; 2 x 2.3; 3 x 3; 3 x 5; 5 x 8; 8 x 10; 3 x 2; 12 x 12. All are in stock and priced individually.
How heavy is it and how is it packed?
The unit weighs about 0.01 kg. Units ship boxed and are cartoned for pallet or container loads. Mixed sizes in one carton are available on request.
What is it made of?
Key material: As per options. Other specifications are listed in the Specifications table above.
What is it used for?
Machine building and repair, pipework and process plant, structural and civil work, vehicle and agricultural equipment, and general industrial maintenance.
Can I buy in bulk or with my own branding?
Yes. Bulk cartons, custom logo and custom packaging are available on request, and the supplier accepts OEM and ODM work.
Summary
Couplings supplied for joining, sealing, transmitting and supporting machine and structure work. Offered in 17 configurations, each priced separately.
Typical use: Machine building and repair, pipework and process plant, structural and civil work, vehicle and agricultural equipment, and general industrial maintenance.
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