STAHLWILLE 1/2 in Drive 21mm Standard Socket, 6 point, 42 mm Overall Length

View all Sockets

Subtotal (1 unit)*

£15.14

(exc. VAT)

£18.17

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 2 unit(s) ready to ship
  • Plus 1 unit(s) ready to ship from another location
  • Plus 999,999,997 unit(s) shipping from 26 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£15.14

*price indicative

RS Stock No.:
778-2419
Mfr. Part No.:
03030021
Brand:
STAHLWILLE
Find similar products by selecting one or more attributes.
Select all

Brand

STAHLWILLE

Socket Size

21mm

Imperial or Metric

Metric

Drive Size

1/2 in

Socket Type

Standard Socket

Socket Head Type

6 point

Finish

Chrome Plated

Model

52

Overall Length

42 mm

Material

Steel

Drive Type

Square

RoHS Status: Exempt

COO (Country of Origin):
DE

Stahlwille Socket, 21mm Socket size, 1/2 inch Drive size - 03030021


This socket is a metric tool designed for various fastening tasks in mechanical and automotive applications. With a size of 21mm and an overall length of 42mm, it features a 1/2 inch drive size, making it suitable for standard socket usage. Crafted from high-performance steel, it provides durability and strength, ensuring effective use in demanding environments.

Features & Benefits


• Chrome plated for corrosion resistance
• 6-point head design enhances grip on fasteners
• Lightweight yet sturdy construction allows for ease of use
• Suitable for high torque applications in confined spaces

Applications


• Ideal for automotive repair and maintenance tasks
• Used in electrical and mechanical servicing
• Perfect for assembly work requiring a reliable metric socket
• Effective tool in tight spaces such as turbines

What material is this unit made from, and how does it affect performance?


It is made from high-performance steel, which offers wear resistance and the ability to withstand high torque, making it ideal for rigorous tasks in automotive and mechanical applications.

What is the significance of the 6-point design in this socket?


The 6-point design provides a larger contact area with fasteners, reducing the risk of rounding off edges and improving torque transfer, which enhances overall efficiency during use.

How does the chrome plating contribute to the socket's usability?


The chrome plating protects against corrosion and extends the lifespan of the tool, ensuring it remains functional and visually appealing even after extensive use in various working conditions.

In what situations is this metric socket particularly advantageous?


This metric socket excels in tasks requiring precision, such as automotive repairs and assembly projects, particularly when working with standard sizes in confined spaces where other sockets may struggle to fit.

Related links