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Roadworks – Preston Brook access (16th February – 9th March) Due to roadworks, our Preston Brook branch will only be accessible from the North via Junction 11 (M56) in this period. Please note there is no access from the South or West (the canal bridge is closed).
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Our Midland Chandlers Branches are Closing
As we prepare to close our 3 locations, we’re changing how we serve you so you can continue to access a wider range of products, expert support, and reliable delivery. This change will be complete on 20th March 2026.
For FAQs and updates, visit our news page: www.midlandchandlers.co.uk/news.
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Maestrini Brass Flanged Lock Nut (3/4" BSP Female)

Product code: 407324

The Maestrini brass flanged 3/4" BSP female lock nut has a diameter of 48mm and is rated to 580 psi. Please be aware that if used for through hull applications, the locking nut fitting must be correc1 Read more

Description

Description

The Maestrini brass flanged 3/4" BSP female lock nut has a diameter of 48mm and is rated to 580 psi. Please be aware that if used for through hull applications, the locking nut fitting must be correctly electrically bonded in order to prevent corrosion. Brass is not recommended for below the waterline, due to it being susceptible to dezincification. Sold singularly.
Specifications
Brand Maestrini
Thread Connection BSP
Thread Size 3/4"
Thread Gender Female
Pressure Rating 580 PSI (40 Bar)
Thread Size Description 3/4" BSP Female Parallel
Width Hex Nut: 32mm
Depth 13.5mm
Diameter Description 48mm
Material Brass
Primary Construction Brass
Fitting Nut
Country of Origin Italy
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Maestrini Brass Flanged Lock Nut (3/4" BSP Female)

£5.11

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£5.11 Incl VAT

43 in stock

Quantity
Check stock in store
Preston Brook

5 in stock

Willington

0 in stock

Braunston

2 in stock

 Please check with the store before travelling to avoid disappointment

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