Which type of screw is this bit suitable for?

This bit is designed for square socket head screws (Robertson) in size # 1.

What drive size does this screwdriver bit use?

It features a standard 1/4" hexagon drive according to DIN ISO 1173-D 6.3 (Wera connecting series 1).

What does the Z designation mean for Wera bits?

Z bits are tough-absorbing for universal use and prevent premature breakage of the drive tip in hard materials.

What is the total length of this bit?

The total length of this bit is 25 mm.

Is this bit VDE-certified for electrical installations?

No, this bit is not VDE-certified or insulated for live electrical work.

WERA 868/1 Z inside square bit, 1 x 25 mm - 05066405001

Name: WERA 868/1 Z inside square bit, 1 x 25 mm - 05066405001
Brand: WERA
SKU: 87940075
Price: 5.4 EUR
Availability: InStock

Supplier number: WERA 05066405001 | EAN 4013288030207

5.40 tax incl.

€4.46 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Delivery by DHL

✆ Talk to a specialist

Reliable fastening with Wera

Practical benefits

Perfect square socket engagement: The size 1 square drive profile fits securely into square recess screws to prevent slippage while you work.
Tough design prevents breakage: The ductile and tough design absorbs peak torque loads so you avoid premature breakage of the drive tip.
Standard 1/4" hex compatibility: The 1/4" hexagon drive lets you insert this 25 mm bit quickly into any standard bit holder.

In a nutshell

The right choise for

With the Wera 868/1 z square socket bit, you drive # 1 square recess screws securely without slipping or damaging the screw head. The tough-absorbing design of this 25 mm bit easily handles high torque peaks, preventing premature tip breakage during demanding woodworking, cabinetry, and installation jobs. It ensures optimal force transfer for clean, controlled fastening every time. Featuring a standard 1/4" hexagon drive matching din iso 1173-D 6.3, this bit fits smoothly into any standard bit holder, giving you the reliability you need to get the job done right.

Product information FAQ

€5.40

In stock - tax incl.

Key features according to our expert

Length: 25 mm
Blade thickness: Not applicable
Type of drive profile (bit): Square
Connection size (bit): 1/4"
VDE approved: No
Bit profile: # 1
Drive profile size (bit): 1

Scope of delivery

868/1 Z Square-Plus bits, # 1 x 25 mm

Product description

Premium bits for square head socket screws. Tough, for universal use. 1/4" hexagonal, suitable for holding tools as per DIN ISO 1173-D 6.3.

Suitable for square head socket screws
Tough for hard materials
1/4" hexagon drive (Wera connecting series 1)

Application

Square socket head screws

Drive

1/4" hexagon, suitable for DIN ISO 1173-D 6.3 bit holders

Design

Tough, for universal use

Features and benefits

Tough Wera bits prevent the tip from breaking prematurely. Z-bits usually are the bit for universal screwdriving applications.

All Features

Length: 25 mm
Blade thickness: Not applicable
Type of drive profile (bit): Square
Connection size (bit): 1/4"
Vde approved: No
Bit profile: # 1
Drive profile size (bit): 1
Tip size: # 1

Brand WERA
87940075
EAN 4013288030207
Supplier number WERA 05066405001

Frequently asked questions about this product

Answered by specialists

Which type of screw is this bit suitable for?: This bit is designed for square socket head screws (Robertson) in size # 1.
What drive size does this screwdriver bit use?: It features a standard 1/4" hexagon drive according to DIN ISO 1173-D 6.3 (Wera connecting series 1).
What does the Z designation mean for Wera bits?: Z bits are tough-absorbing for universal use and prevent premature breakage of the drive tip in hard materials.
What is the total length of this bit?: The total length of this bit is 25 mm.
Is this bit VDE-certified for electrical installations?: No, this bit is not VDE-certified or insulated for live electrical work.