RS PRO Plain Flat Stainless Steel Tamper Proof Security Screw, M4 x 20mm

View all Security Screws
Bulk discount available

Subtotal (1 bag of 100 units)*

£29.52

(exc. VAT)

£35.42

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 69 unit(s) shipping from 27 October 2025
  • Plus 25 unit(s) shipping from 27 October 2025
  • Plus 999,999,930 unit(s) shipping from 06 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Bag(s)
Per Bag
Per unit*
1 - 4£29.52£0.295
5 - 9£28.04£0.28
10 - 29£26.60£0.266
30 +£24.82£0.248

*price indicative

RS Stock No.:
621-2552
Brand:
RS PRO
Find similar products by selecting one or more attributes.
Select all

Brand

RS PRO

Length

20mm

Thread Size

M4

Head Shape

Flat

Drive Type

Pin Hex Recess

Material

Stainless Steel

Finish

Plain

Stainless Steel Type

A2 304

Countersunk Head (6 lobe Security)


Tamperproof Pin, 6 lobe, A2 Stainless Steel


Tamperproof security screws incorporating a spigoted recess which virtually eliminates removal without use of the special matching tool

Made from A2 Stainless Steel (Type 304 S15)

Related links