Which type of screws is this bit suitable for?

This bit is designed for square socket screws size # 2, also known as Robertson drive screws.

What drive connection does this bit have?

The bit features a standard 1/4" hexagon drive, suitable for bit holders complying with DIN ISO 1173-F 6.3.

What is the total length of this bit?

This bit has an overall length of 89 mm, making it ideal for recessed or hard-to-reach screws.

Is this bit VDE-certified for electrical work?

No, this bit is not VDE-approved and is not insulated for live electrical applications.

What is the benefit of the tough-absorbing Wera design?

The tough-absorbing design prevents premature breakage of the drive tip during demanding fastening tasks.

WERA 868/4 Square-Plus inside square bit, 2 x 89 mm - 05134801001

Name: WERA 868/4 Square-Plus inside square bit, 2 x 89 mm - 05134801001
Brand: WERA
SKU: 87991097
Price: 10.6 EUR
Availability: PreOrder

Supplier number: WERA 05134801001 | EAN 4013288040947

Recommended Retail Price €16.44

10.60 tax incl.

€8.76 excl. VAT (incl. all environmental contributions)

On order: delivered from 31/10/2026

Ordered before 20:00 - delivered as of 31/10/2026
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

High torque transfer for square screws

Practical benefits

Exact Wera profile fit: The Square-Plus tip seats firmly inside square socket heads, preventing cam-out and protecting both fastener and bit.
Tough viscous durability: The hardened design absorbs high torque peaks, ensuring you prevent premature breakage during demanding fastening tasks.
Extended reach in tight spots: A length of 89 mm combined with a standard 1/4" hex drive lets you easily access recessed screws.

In a nutshell

The right choise for

Drive square socket and Robertson fasteners with confidence using the Wera 868/4 Square-Plus bit. Engineered with an exact Square-Plus size # 2 profile, it seats securely into the screw head to prevent cam-out, slippage, and damage to surrounding workpieces. The tough-absorbing design withstands high torque peaks, effectively preventing premature breakage of the tip during demanding applications. Thanks to its extended 89 mm length, you can easily reach recessed fixings without needing an extra extension. With a standard 1/4" hexagon drive, it fits straight into your drill or screwdriver so you can tackle every fastening task with precision and speed.

Product information FAQ

€10.60

tax incl.

Key features according to our expert

Length: 89 mm
Blade thickness: Not applicable
Type of drive profile (bit): Square
Connection size (bit): 1/4"
VDE approved: No
Bit profile: # 2
Drive profile size (bit): 2

Scope of delivery

868/4 Square-Plus bits, # 2 x 89 mm

Product description

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

Suitable for square head socket screws
Tough for hard materials
Prevents premature breakage of the drive tip
1/4" hexagon drive (Wera connecting series 4)

Application

Square socket head screws

Drive

1/4" hexagon, suitable for DIN ISO 1173-F 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: 89 mm
Blade thickness: Not applicable
Type of drive profile (bit): Square
Connection size (bit): 1/4"
Vde approved: No
Bit profile: # 2
Drive profile size (bit): 2
Tip size: # 2

Brand WERA
87991097
EAN 4013288040947
Supplier number WERA 05134801001

Frequently asked questions about this product

Answered by specialists

Which type of screws is this bit suitable for?: This bit is designed for square socket screws size # 2, also known as Robertson drive screws.
What drive connection does this bit have?: The bit features a standard 1/4" hexagon drive, suitable for bit holders complying with DIN ISO 1173-F 6.3.
What is the total length of this bit?: This bit has an overall length of 89 mm, making it ideal for recessed or hard-to-reach screws.
Is this bit VDE-certified for electrical work?: No, this bit is not VDE-approved and is not insulated for live electrical applications.
What is the benefit of the tough-absorbing Wera design?: The tough-absorbing design prevents premature breakage of the drive tip during demanding fastening tasks.

Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

Chat with us

03 74 000 41 [email protected]