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What is B-Grade?

B-Grade includes used and unused returned products, end of line, slightly marked or refurbished products.

To ensure peace of mind each product comes with our 12 month guarantee having been fully tested by our team of in-house technicians.

What's even more attractive, all of the B-Grade products are reduced in price!

B GRADE IS ONLY AVAILABLE VIA THE WEBSITE

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Terms & Conditions

Inline Couplings, Universal Couplings and Shafts

Steel Shaft 5x150mm

Steel Shaft 5x150mm

N19BQ

Order Code: N19BQ

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ONLY GBP£2.09

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Steel Shaft 6x150mm

Steel Shaft 6x150mm

N20BQ

Order Code: N20BQ

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Steel Shaft 4x150mm

Steel Shaft 4x150mm

N18BQ

Order Code: N18BQ

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Inline Coupling 4-4

Inline Coupling 4-4

N10BQ

Order Code: N10BQ

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ONLY GBP£3.99

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Inline Coupling 2-3

Inline Coupling 2-3

WC69A

Order Code: WC69A

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Inline Coupling 6-6

Inline Coupling 6-6

WC72P

Order Code: WC72P

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InlineC/ling 6-8swg

InlineC/ling 6-8swg

N11BQ

Order Code: N11BQ

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Inline Coupling 3-3

Inline Coupling 3-3

WC67X

Order Code: WC67X

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Univ Coupling 4-4

Univ Coupling 4-4

N12BQ

Order Code: N12BQ

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Univ Coupling 6-6

Univ Coupling 6-6

N13BQ

Order Code: N13BQ

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A range of couplings & shafts for use with models, etc. The couplings are ideal for connecting rods of different diameter, like motor shafts and coupling rods. The universal couplings are capable of operating at angles of up to 45°.

Inline Couplings Order Code
2mm - 3mm WC69A
3mm - 3mm WC67X
4mm - 4mm N10BQ
6mm - 6mm WC72P
6mm - 8swg dia. (Meccano) N11BQ
Universal Couplings Order Code
4mm - 4mm N12BQ
6mm - 6mm N13BQ
Shaft sizes Order Code
150mm x 4mm dia. N18BQ
150mm x 5mm dia. N19AQ
150mm x 6mm dia. N20AQ
one text, video or picture review per month will win a £50 gift card

Customer Reviews for Inline Couplings, Universal Couplings and Shafts

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Customer Questions about Inline Couplings, Universal Couplings and Shafts

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Q: Can the 6-6 inline coupler be used to join a 2mm and 6mm diameter shaft together?

Mick - 17/02/2010

Maplin says: No sorry this product does not support that.

We've had no feedback about this question yet.

No » « Yes

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Q: Is the universal coupler suitable for linking a control knob to a potentiometer which is at right angles to it (i.e. knob on vertical chassis panel and potentiometer on horizontal PCB)?

Kes - 17/07/2009

Maplin says: No sorry this product does not support that.

We've had no feedback about this question yet.

No » « Yes

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Q: What is the diameter of the 6-6 coupler?

Jamie McGlynn - 14/12/2007

Maplin says: Diameter is 6mm.

We've had no feedback about this question yet.

No » « Yes

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Q: WHAT ARE THE MEASUREMENTS OF THE INLINE COUPLINGS 6-6. DOES THE 6-6 MEAN 6MM AT EACH END? MANY THANKS SCOTT

SCOTT JOHNSTON - 23/01/2005

Maplin says: Yes 6-6 allows two 6mm shafts to be connected.

We've had no feedback about this question yet.

No » « Yes

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Bevelled Gearbox

This 1:1 ratio Bevelled Gear unit has steel gears & 5mm diameter shafts running in ballraces & scintered bronze bearings, one ballrace & scintered bronze bearing per shaft. The former act as thrust races protecting the bevel gears from external pressures of varying loads. The housing mouldings are 30% glass filled nylon for strength & have four pre-drilled mounting holes.

only £16.99

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Bearing Blocks

Supplied as a pair for either a 5mm (Order Code N30BQ) or 6mm (Order Code N31BQ) diameter shaft, these bearing blocks are perfect as supports for a drive axle.

from £9.99

more info »

Bevel Gears

A choice of two pairs of 1:1 ratio bevel gears which mesh at right angles, allowing the output shaft to be perpendicular to the input shaft.

from £3.99

more info »

Pulleys and ‘O’ Rings

A selection of pulleys for use with our motors and gearboxes. ‘O’ ring dimensions 70mm x 5mm diameter.

from £2.69

more info »

Shop With Confidence

We offer a 28 day returns policy. We want our customers to be 100% satisfied every time they shop with us, should you change your mind we are here to help.

If you are not completely satisfied with your purchase, you can return the item to us in its original condition within 28 days of receipt and we will issue a full refund, or replace the item, if preferred.

We offer two ways to return a product either visit any one of our stores nationwide or by post which ever you prefer. For further information about our returns policy visit our help page if you wish to return an item please visit our returning an item help page.

Delivery Options

United Kingdom Options

Price Option Delivered
FREE Reserve for store pickup Ready for collection within 20 minutes✝
FREE all orders over £150 1 - 3 Working days
FREE all orders over £10 3 - 5 Working days
£2.99 all orders under £10 3 - 5 Working days
£Variable Shutl Now ASAP within as little as 90 minutes***
£Variable Shutl When Delivery within a 1 hour time slot on a date you choose✝✝
£15.00 Saturday Delivery before noon**

Republic of Ireland Options

Price Option Delivered
£8.50 Standard delivery 2-3 working days

Rest of World Options

With regret we are unable to ship to any other destinations at this time

✝ We will confirm to you by email/text message when the store has reserved the items for you. Reserved items will be held at the store up to 7 days after you receive notification. If the store is closed your request won't be processed until the next time they're open.

* Please ensure that your order is completed before 4pm the day prior to delivery needed (Mon-Fri)

** Saturday deliveries can only be placed before 4pm on the Friday before the scheduled Saturday delivery.

*** The Shutl express delivery service is only available if your order meets certain requirements. If it's available it will be displayed as a selectable delivery option during checkout.

✝✝ Date selection is limited to 14 days in advance including the current day. Selectable time slots are 1 hour long and vary depending on the date and delivery address.

Shop Your Way

Order Online

Browse and purchase from our entire range.

Buy Instore

From any of over 190 stores nationwide

Collect in Store

Order, confirm and collect at your nearest store

On Your Mobile

Download our App for your iPhone or use our mobile site

Order By Phone

Friendly staff waiting to help on 0844 557 6000

Home Delivery

Order in store or online and we'll deliver the item to your home or office

The prices below are per item and exclude VAT.

N19BQ Steel Shaft 5x150mm (1+) £1.742
N20BQ Steel Shaft 6x150mm (1+) £1.742
N18BQ Steel Shaft 4x150mm (1+) £1.742
N10BQ Inline Coupling 4-4 (1+) £3.325
WC69A Inline Coupling 2-3 (1+) £3.325
WC72P Inline Coupling 6-6 (1+) £3.325
N11BQ InlineC/ling 6-8swg (1+) £4.158
WC67X Inline Coupling 3-3 (1+) £4.158
N12BQ Univ Coupling 4-4 (1+) £4.992
N13BQ Univ Coupling 6-6 (1+) £4.992

If you require a price for a larger quantity than shown above:

Contact B2B Team »

Why not tell us and our B2B sales team about your specific business needs and expectations?

Offering a 1-2-1 personal account management service each representative is able to help you ensure the service from Maplin meets your approval on all levels every time.

As well as being able to help you benefit from volume quotations and bespoke product sourcing our team also offers a wide range of business services including:

  • 30 Day EOM credit terms available on application
  • FREE delivery on all orders above £35
  • A range of guaranteed delivery services to ensure your goods are with you to meet those tight deadlines
  • Proforma Invoices
  • Scheduled and forward ordering system
  • Product branding and bespoke product sourcing available on application
  • Online and in-store account use
  • 5% discount for all schools and colleges
  • 7% discount for all universities
  • Sample product service – available on application
  • Supplier cross-referencing and BOM quotations

As you can see, our range of services is comprehensive and built to service every type of business need. We are committed to providing your business with 1st class sales and customer service.

Our aim is to establish mutually beneficial long-term relationships where our customers receive a high class of reliable service.

Please contact us on 0844 557 6000 to discuss your business needs with your individual account manager.

Website Information

28 day money back guarantee. Return via post or to a Maplin store.

Maplin Electronics is a company registered in England No 1264385 2

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