What drive size does this Gedore socket use?

It features a 1" female square drive according to DIN 3120 - D 25 and ISO 1174 with pin retention.

What is the size and drive profile of this socket?

The socket has a 2 5/8" size with a 12-point (bi-hex) profile.

Is this socket suitable for impact wrenches?

No, this socket is designed exclusively for manual hand operation.

What material is this socket made of?

It is manufactured from chrome-plated Gedore vanadium steel 31CrV3.

What is the total length of this socket?

The total length of this socket is 88 mm.

GEDORE D 21 2.5/8AF socket spanner 1" twelfth edge 2 5/8" - 6177840

Name: GEDORE D 21 2.5/8AF socket spanner 1" twelfth edge 2 5/8" - 6177840
Brand: GEDORE
SKU: 41892587
Price: 109.6 EUR
Availability: PreOrder

Supplier number: GEDORE 6177840 | EAN 4010886617786

Recommended Retail Price €204.90

109.60 tax incl.

€90.58 excl. VAT (incl. all environmental contributions)

On order: delivered from 26/10/2026

Delivery by DHL

✆ Talk to a specialist

Reliable torque with Gedore

Practical benefits

Precise high torque transfer: The 12-point bi-hexagon design securely engages fasteners, allowing you to apply heavy manual torque without rounding edges.
Non-slip manual control: Featuring cross-knurled knurling along the body, you get a secure grip during manual attachment and tool changes.
Resilient chrome vanadium build: Constructed from forged 31CRV3 vanadium steel with a chrome-plated finish, you ensure dependable corrosion resistance and durability.

In a nutshell

The right choise for

Tackle demanding maintenance and heavy mechanical assembly with the Gedore D 21 2.5/8AF socket. Built for heavy manual operations with a 1" square drive and 2 5/8" size, this socket delivers exceptional control on commercial vehicles, plant machinery, and industrial equipment. Its 12-point bi-hex profile engages fasteners securely, allowing you to apply high torque safely even within confined spaces and narrow swing arcs. The textured cross-knurled body ensures a firm, non-slip grip during rapid tool changes and handling with greasy hands. Forged from chrome-plated 31CRV3 vanadium steel with a total length of 88 mm, it provides dependable durability and long service life.

Product information FAQ

€109.60

tax incl.

Key features according to our expert

Socket size: 2 5/8"
Connection size: 1"
Connection profile: Internal square
Length: 88 mm
VDE approved: No
With safety colour code 1000V: Not applicable
Non-sparking: No
Magnetic: No
Type of drive profile (socket): 12-point

Product description

Internal drive square in accordance with DIN 3120 - D 25
ISO 1174, with pin lock
For hand use, serrated edge
GEDORE vanadium steel 31CrV3, chrome-plated

All Features

Socket size: 2 5/8"
Connection size: 1"
Connection profile: Internal square
Length: 88 mm
Vde approved: No
With safety colour code 1000v: Not applicable
Non-sparking: No
Magnetic: No
Type of drive profile (socket): 12-point
Key width 1 [af]: 2.5/8"
Surface area: chromed
Drive intake, square [inch].: 1"
Standard: ISO 1174DIN 3120 - D 25
Socket spanner-ø 1: 92.2 mm
Socket spanner-ø 2: 59.5 mm
Inset depth: 44.5 mm
Drive mounting, square [metric]: 25.0 mm
Socket spanner length: 88.0 mm
Material: chrome vanadium steel 31CrV3
Overall length [mm]: 88 mm

Brand GEDORE
41892587
EAN 4010886617786
Supplier number GEDORE 6177840

Frequently asked questions about this product

Answered by specialists

What drive size does this Gedore socket use?: It features a 1" female square drive according to DIN 3120 - D 25 and ISO 1174 with pin retention.
What is the size and drive profile of this socket?: The socket has a 2 5/8" size with a 12-point (bi-hex) profile.
Is this socket suitable for impact wrenches?: No, this socket is designed exclusively for manual hand operation.
What material is this socket made of?: It is manufactured from chrome-plated Gedore vanadium steel 31CrV3.
What is the total length of this socket?: The total length of this socket is 88 mm.