RS PRO Key Steel Square Bar 6mm Diameter, 6mm W, 6mm H, 330mm L

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Subtotal (1 lot of 7 units)*

£43.94

(exc. VAT)

£52.73

(inc. VAT)

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In Stock
  • 6 unit(s) ready to ship
  • Plus 2 unit(s) ready to ship from another location
  • Plus 28 unit(s) shipping from 15 October 2025
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Lot(s)
Per Lot
Per unit*
1 - 2£43.94£6.277
3 - 9£40.86£5.837
10 - 29£38.67£5.524
30 +£35.15£5.021

*price indicative

RS Stock No.:
681-520
Brand:
RS PRO
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Brand

RS PRO

Form

Square Bar

Material

Key Steel

Length

330mm

Rod Diameter

6mm

Width

6mm

Material Grade

080A40

Height

6mm

Tensile Strength

≥550MPa

Hardness

201 to 255 HB

Suitability

Automotive Parts, Connecting Rods, Studs, Bolts, Axles, Spindles, and General Engineering Components

Density

7.85g/cm³

Thermal Conductivity

37.5W/mK

Non Compliant

COO (Country of Origin):
GB

RS PRO Key Steel Square Bar, 330 mm x 6 mm x 6 mm


Looking for Square Metal Bar that can be cut to different sizes, length and is always is stock while keeping your budget under control?

Today, we are proudly introducing our own branded RS PRO Key Steel with a metric length of 330 mm is primarily used for coupling. However, the square shape is often exploited in industrial machines or part of the wheel process installation.

The Key Steel, known as Key Bar or KEYSTEEL with chromate finish on zinc layer creates additional protection against corrosion, meaning versatility for both indoor and outdoor applications.

Our Steel is customisable in terms of the size, length or assorted packs so you can focus on your next BIG or small project.

Features and Benefits


  • The Key Steel is supplied in 13 in (330 mm) length

  • Our Bar is a combination of zinc with chromate passivated finish

  • The metric Key Steel conforms to BS46 and BS4235, meaning these parts meet British standards and our engineers approve them

  • The KEYSTEEL is available in different sizes or assorted pack contents

  • The 330 mm steel does not provide aluminium qualities, but if you are looking for a robust metal that will last a long period regardless of the weather conditions, you are in the right place

  • The Key Steel is practically always in stock

Applications


Key Steel has many ways to deliver superbly high support for many general engineering applications, such as:

  • Taper

  • Gib head

  • Plain and parallel keys

  • Part of installation industrial wheels

Why RS PRO?


RS PRO is our own-brand range of great-value products. Each part of every RS PRO product is stringently tested against demanding industry standards. We give it our seal of approval only when we're confident of exceptional quality. That's why RS PRO is trusted by engineers worldwide.

Standards

BS 46: Part 1 1958; BS 4235: Part 1 1972

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