What drill diameter do you need for this through bolt anchor?

You need a drill bit with a diameter of 16 mm for this anchor.

What is the maximum fixture thickness for this anchor?

The fixture thickness is 25 mm, allowing you to fasten fixtures up to 25 mm thick.

Which base materials are suitable for the FIX Z XTREM anchor?

The anchor is designed for cracked and non-cracked concrete as well as seismic applications.

Does the anchor come with a washer and nut?

Yes, the anchor comes with a pre-assembled washer and nut.

What are the overall length and thread size?

This anchor has an M16 thread and an overall length of 145 mm.

SPIT 057781 FIX Z XTREM segment anchor M16X145/25 zinc-plated (washer and nut pre-mounted)

Name: SPIT 057781 FIX Z XTREM segment anchor M16X145/25 zinc-plated (washer and nut pre-mounted)
Brand: SPIT
SKU: 02680284
Price: 4.32 EUR
Availability: InStock

Supplier number: SPIT 057781 | EAN 3439510577813

4.32 tax incl.

€3.57 excl. VAT (incl. all environmental contributions)

On stock - immediately available

The minimum purchase order quantity for the product is 10.

Ordered before 20:00 - delivered tomorrow 03/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

↓ Documents (1) ✆ Talk to a specialist

Spit FIX Z XTREM through bolt anchor for concrete

Practical benefits

High load capacity: The specialized expansion sleeve design ensures you achieve secure fastening in cracked and non-cracked concrete.
Fast and easy installation: Pre-assembled with washer and nut, you install the anchor quickly with a minimum number of turns.
Reliable corrosion resistance: The zinc-plated steel finish provides durable protection against surface wear during all your indoor anchoring projects.

In a nutshell

The right choise for

With the Spit fix z xtrem through bolt anchor M16X145/25, you achieve heavy-duty structural anchoring in concrete without waiting for chemical resins to cure. Its specialized expansion sleeve design delivers high load capacity in both cracked and non-cracked concrete as well as seismic applications. Thanks to the pre-assembled washer and nut, you install the anchor directly through a 16 mm drill hole and securely fasten fixtures up to 25 mm thick with minimal turns. The 145 mm long zinc-plated steel body provides reliable corrosion resistance for indoor installations, including structural steel columns, base plates, industrial racking, and heavy machinery.

Product information FAQ

€4.32

In stock - tax incl.

Key features according to our expert

Drilling diameter: 16 mm
Effective length: 25 mm
Overall length: 145 mm
Material (bolt): Steel
Surface treatment (bolt): Zinc plated
Thread designation: M16

Product description

Piercing anchor for cracked and non-cracked concrete and seismic applications
ETA-approved quality anchor for safety applications
Widely applicable XTREM anchor thanks to CE approval for use in cracked and non-cracked concrete
High allowable loads thanks to special geometry and segment thickness
Large range that can be used in all seismic C1 and C2 areas
Geometry ensures easy placement and fast installation due to minimum number of turns
Maximum flexibility thanks to the fully continuous screw act

Applications

Steel structures
Safety fences
Curtain wall
Purlin
Wooden panel
HVAC
Timber structures

Documents

⤓ Declaration of Conformity PDF

All Features

Drilling diameter: 16 mm
Effective length: 25 mm
Overall length: 145 mm
Material (bolt): Steel
Surface treatment (bolt): Zinc plated
Thread designation: M16
Anchor diameter: 16.0 mm
Min. thickness of base material: 130 mm
Tightening torque: 110 N-m
Maximum trapping: 45 mm
Head type: Loose nut head
Min. anchor distance: 90 mm
Base material colour: GREY
Minimum clamping thickness: 25 mm
Product material: Carbon steel
Min. edge distance (mm): 90 mm
Treatment: Galvanised
Minimum drilling depth: 90 mm
Base material: Cracked concrete, Non-cracked concrete
Drill diameter: 16.0 mm
Minimum placement depth: 65.0 mm
Maximum installation depth: 85 mm
Throughput diameter: 18 mm
Anchor length: 145 mm
Wire diameter: M16
Key size: 24.0 mm
Anchor screw material: Steel

Brand SPIT
02680284
EAN 3439510577813
Supplier number SPIT 057781

Frequently asked questions about this product

Answered by specialists

What drill diameter do you need for this through bolt anchor?: You need a drill bit with a diameter of 16 mm for this anchor.
What is the maximum fixture thickness for this anchor?: The fixture thickness is 25 mm, allowing you to fasten fixtures up to 25 mm thick.
Which base materials are suitable for the FIX Z XTREM anchor?: The anchor is designed for cracked and non-cracked concrete as well as seismic applications.
Does the anchor come with a washer and nut?: Yes, the anchor comes with a pre-assembled washer and nut.
What are the overall length and thread size?: This anchor has an M16 thread and an overall length of 145 mm.