What drill bit diameter is required for this anchor?

For this M8x55 expansion anchor, you need a drill bit with a diameter of 14 mm.

Does this expansion anchor come with a bolt?

No, this version is supplied without a bolt, allowing you to choose a suitable M8 bolt or threaded rod.

In which base materials can this anchor be used?

You can use this mechanical anchor in both solid and hollow base materials thanks to its four expansion legs.

What are the overall length and thread size of this anchor?

The anchor has an overall length of 55 mm and an internal thread size of M8.

What is the minimum drilling depth required?

The minimum required drilling depth for installation is 65 mm.

SPIT 050401 PRIMA spread anchor M8x55 d.14 zinc-plated (without bolt)

Name: SPIT 050401 PRIMA spread anchor M8x55 d.14 zinc-plated (without bolt)
Brand: SPIT
SKU: 02345668
Price: 2.02 EUR
Availability: InStock

Supplier number: SPIT 050401 | EAN 3439510504017

2.02 tax incl.

€1.67 excl. VAT (incl. all environmental contributions)

On stock - immediately available

The minimum purchase order quantity for the product is 25.

Ordered before 20:00 - delivered as of 05/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Dependable anchoring with Spit Prima

Practical benefits

Strong grip across substrates: Four full expansion segments deliver reliable mechanical holding power in both solid and hollow base materials.
Easy and precise setting: The large collar and linked expansion cone ensure you achieve accurate positioning without slipping.
Durable zinc-plated steel: Tough steel construction with a zinc-plated surface provides long-lasting strength for heavy-duty installations.

In a nutshell

The right choise for

With the Spit Prima universal expansion anchor M8X55, you achieve dependable mechanical anchoring in both solid and hollow base materials. Its four expansion segments open evenly within a 14 mm drill hole to provide firm holding power in concrete, solid brick, aerated concrete, and hollow blocks. The wide collar and integrated cone ensure precise positioning without slipping. Made from durable zinc-plated steel, the anchor provides lasting strength for interior installations. Supplied without a bolt, this anchor gives you the freedom to choose the right M8 bolt or threaded rod for securing pipework, cable trays, and mounting brackets.

Product information FAQ

€2.02

In stock - tax incl.

Key features according to our expert

Wire dimension: 8 mm
Overall length: 55 mm
Material: Steel
Surface treatment: Zinc plated
Drilling diameter: 14 mm

Product description

Metal mechanical anchor with large spread
Metal mechanical anchor with large spread
4 long spreading elements for good grip in different materials
Large collar for easy setting in hollow material
Taper connected to the sleeve for perfect setting
Possible alternative to chemical anchoring in hollow materials
Variable fixing thickness, available with or without bolt
Socotec approval (France)

Applications

Industrial doors
Hot water cylinder
Satellite dish
Air conditioning system
Canopy
Signposting

All Features

Wire dimension: 8 mm
Overall length: 55 mm
Material: Steel
Surface treatment: Zinc plated
Drilling diameter: 14 mm
Min. thickness of base material: 100 mm
Min. edge distance (mm): 55 mm
Product material: Carbon steel
Head type: Flat head
Base material colour: PURPLE
Min. anchor distance: 70 mm
Minimum wire length: 55.0 mm
Internal thread diameter: 8.0 mm
Anchor diameter: 14.0 mm
Tightening torque: 25 N-m
Maximum installation depth: 42 mm
Minimum drilling depth: 65 mm
Drill diameter: 14.0 mm
Throughput diameter: 10 mm
Anchor length: 55 mm
Wire diameter: M8
Treatment: Galvanised

Brand SPIT
02345668
EAN 3439510504017
Supplier number SPIT 050401

Frequently asked questions about this product

Answered by specialists

What drill bit diameter is required for this anchor?: For this M8x55 expansion anchor, you need a drill bit with a diameter of 14 mm.
Does this expansion anchor come with a bolt?: No, this version is supplied without a bolt, allowing you to choose a suitable M8 bolt or threaded rod.
In which base materials can this anchor be used?: You can use this mechanical anchor in both solid and hollow base materials thanks to its four expansion legs.
What are the overall length and thread size of this anchor?: The anchor has an overall length of 55 mm and an internal thread size of M8.
What is the minimum drilling depth required?: The minimum required drilling depth for installation is 65 mm.