We are closed from Monday, Dec 23rd and will reopen on Monday, Jan 6th. Any orders received during this time will be processed in the New Year.
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Get it by Wednesday, Jan 1
£19.99 Flat Shipping + VAT £19.99 flat shipping is applicable on orders with an aggregate weight less than 10kg. Orders exceeding 10kg will be charged default shipping rates
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Step 1 Add the items into your cart or submit a Purchase order
Step 2 Checkout, select NET30 payment (provide company registration and VAT number)
Step 3 Delivery via TNT or Royal Mail and receive invoice for payment in 30-days
Step 4 Make payment via BACS to our factoring partner,
| Item | Motion Control Coupling |
| Bore Dia. | 1/4 x 1/4" |
| Clearance Dia. | 25.4mm |
| Finish | Bright |
| Length Through Bore | 17.02mm |
| Material | Aluminum |
| Max. Angular Misalignment | 3 Degrees |
| Max. Axial Misalignment (in.) | +/-0.01 |
| Max. Bore | 0.25" |
| Max. Parallel Misalignment (in.) | 0.015 |
| Max. Rpm | 6000 |
| Max. Temp. Range (f) | 225 Degrees |
| Min. Bore | 0.25" |
| Outside Dia. | 31.8mm |
| Overall Length | 38.1mm |
| Screw Size | M6 mm |
| Screw Type | Set Screw |
| Setscrew Location | 2 (120 deg.) |
| Size | PSR20 |
| Style | 4-Beam Set Screw |
| Torque | 68 In.Lbs. |
| Torsional Stiffness (deg./in.-lbs.) | 0.06 |
| Ship weight (kg) | 0.08 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 3.81 |
| Ship width (cm) | 7.62 |
| HS code | 8483608000 |
| Country of Origin | US |
| Model | Bore Dia. | Clearance Dia. | Hub Dia. | Length Through Bore | Material | Max. Axial Misalignment (in.) | Max. Bore | Max. Parallel Misalignment (in.) | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| PSR10-3-2-A | 3/16 x 1/8" | 0.625" | 0.625" | 0.4" | Aluminum | +/-.005 | - | 0.008 | £62.06 | |
| PSR10-3-3-A | 3/16 x 3/16" | 0.625" | 0.625" | 0.4" | Aluminum | +/-.005 | - | 0.008 | £62.06 | |
| PSR12-3-2.5-A | 3/16 x 5/32" | 0.75" | 3/4" | 0.45" | Aluminum | +/-.005 | - | 0.008 | £64.96 | |
| PSR12-3-2-A | 3/16 x 1/8" | 0.75" | 3/4" | 0.45" | Aluminum | +/-.005 | - | 0.008 | £64.96 | |
| PSR12-3-3-A | 3/16 x 3/16" | 0.75" | 3/4" | 0.45" | Aluminum | +/-.005 | - | 0.008 | £64.96 | |
| PSR12-4-2.5-A | 1/4 x 5/32" | 0.75" | 3/4" | 0.45" | Aluminum | +/-.005 | - | 0.008 | £64.96 | |
| PSR12-4-2-A | 1/4 x 1/8" | 0.75" | 3/4" | 0.45" | Aluminum | +/-.005 | - | 0.008 | £64.96 |
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
Trade pricing is available for 
Order Value should be £500+