Worcester Bosch Hex Slot Screw M8 x 20mm 8.8ZP 29111312420

Hex slot M8 x 20 mm zinc-plated 8.8 grade screw for Worcester Bosch Greenstar Danesmoor HE utility boilers.

At a glance

Also known as 1020591

Manufacturer part no.

29111312420

Showing prices

£5.63

£4.69 ex. VAT · VAT at 20%

Available to order · 7 working days

Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical team Send a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

A hex slot head screw measuring M8 x 20 mm, manufactured by Worcester Bosch and supplied in a zinc-plated 8.8 grade finish. It is used as a fixing fastener on Greenstar Danesmoor HE utility appliances.

Signs this part needs replacing

Corrosion or surface rust on the head or thread
Rounded or chewed slot that will not take a driver cleanly
Damaged or cross-threaded threads that will not torque down
Screw missing or loose after a service or strip-down
Fixing works loose under normal appliance vibration

Before you order

Check your appliance model against the fit list above
Confirm the thread size and length match the fixing point being replaced
Check how many screws are needed for the job

Can't find yours? Call 01302 279234

Make	Model / assembly	Reference	Years	Fitment
WORCESTER GREENSTAR DANESMOOR HE 32/50-OOO-GB UTLITY	—		—	—
WORCESTER GREENSTAR DANESMOOR HE 50/70-OOO-GB UTLITY	—		—	—

Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.

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Barcode / EAN	4047416640280
Alternative numbers	1020591