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Alpha Screw M4 X 6mm 1.4359

Alpha

Alpha Screw M4 X 6mm 1.4359

Alpha 1.4359 Swageform screw, M4 x 6mm, for use in Alpha CB and SY gas boiler models.

At a glance

  • Also known as SCREW-SWAGEFORM-M4-X-6, 1250399
Manufacturer part no.
1.4359
Showing prices

£1.30

£1.08 ex. VAT · VAT at 20%

Available to order · 7 working days
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 teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Alpha 1.4359 is a Swageform screw with an M4 thread and a 6mm length, listed by Alpha for its gas boiler range. It is a threaded fastener used to secure components and panels within the appliance assembly.

Signs this part needs replacing

  • Corrosion or rust on the screw head or threads
  • Rounded or damaged head that will not take a driver
  • Stripped or crossed threads
  • Missing fastener leaving a component or panel insecure
  • Screw seized or snapped during removal

Before you order

  • Confirm your appliance model against the fit list
  • Check the thread size and length required (M4 x 6mm)
  • Check how many screws are needed for the repair
  • Confirm the Swageform thread form suits the fixing point

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.