M5 Stainless Steel Bolt Sock Head Cap - Pack Of 10

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£2.49 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
M5 is the size for bottle cages and rack fittings and most other applications.

Made from Grade A4 (AISI 316) stainless steel. Grade A4 is an Austenitic grade of stainless steel. It has a higher corrosion resistance than A2 grade in many chemical environments, including contact with dilute sulphuric acid, and acetic acid over a wide range of temperature and concentrations. Resistance to atmospheric staining and pitting in industrial and urban areas, and also is suitable for marine conditions.
Standard pitch 0.8mm

NOTE: Sizing in drop-down menu is displayed as millimetres (mm)
Product Reviews (1)
Questions & Answers (11) Q & A
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Product Reviews (1)
Overall Product Rating 5 / 5
Great quality bolts.
By Phil
24 Mar 2020
5 / 5
I recommend this product
ProsGreat that you can buy these in a small amount.
Great quality bolts, it is good that you can buy these in a small quantity, just enough for my project with a couple leftover for spares.
Questions & Answers (11)
Are the 30 and 35 mm fully threaded?
24 Apr 2021
Thank you for your enquiry, no they have a small unthreaded section

WD 26/04/21
Will these be suitable for a grx front disc caliper
05 Jan 2021

I have a columbus fork on my tripster, and I can change the rake on them. However to do so you need to put a couple of spacers on the caliper and the current bolts are then to short. I was wondering if these bolts would be suitable to hold the caliper in place.

We have not used them in this exact application so we are unable to confirm this.

Thanks, 06.01.21
Hi, will these be strong enough for a seat post clamp tightened to 5nm. Thanks
16 Nov 2020
Hi, yes this should be fine for 5nm of torque.

JK 16.11.20
Can II use these to fix a stem with a garmin gps adapter?
02 May 2020
Hi, if you are only securing the top cap then yes. For any other stem bolt you should be using high tensile steel as failure can be catastrophic! Thanks
could you tell me threaded length on 20 and 25 mm bolts please
22 Sep 2018
Hi, on the shorter bolts the thread is full length, so 20 is 20mm and 25 is 25mm. Thanks
Tubus Locc Pannier Rack Replacement Bottom Bolt
27 Jun 2018
Hello, According to the instructions for the Tubus Locc rear rack, I need stainless steel M5 x 18mm bolts for the bottom fastening near the derailleur.

Do you stock M5 x 18mm? If not, would the 20mm be okay? I use the spacer discs on either side with my frame. Also, are the 20mm bolts fully threaded? Thank you kindly, John
We stock 16mm and 20mm, the 20mm should be fine with 2 1mm spacers. The bolts, as per the photo, are not fully threaded.

Hi, What Is The Thread Length Of The 16Mm Bolts?
31 Jul 2016
Hi, What is the thread length of the 16mm bolts?

The 16mm bolts are still threaded the full length of the shaft so they have 16mm of thread.

I Need 20Mm Thread Length On The 5Mm Stainless Steel Cap Heads Do The Choices Mean I Order 20Mm
30 Jun 2016
pleased they are A4 grade stainless

All of our bolts are only measured on the thread length so the 20mm option will indeed be the correct length you need.

Can You Please Expand On The Answer Above?
13 Apr 2015
What is the threaded length of the 40 and 50 mm bolts?

The thread length on the 40mm bolts is 21mm and the thread length on the 50mm bolts is 22mm.

Socket Head Diameter
16 Feb 2015
Can you tell me what the diameter of the socket head is please?

I need to know if it will fit the recess slots in my stem clamp.


The diameter of the socket head is 8.1mm approx.

Regards Jamie
M5 Stainless Steel Bolt Socket Head Cap
20 Nov 2013
is a 60mm bolt the length of the bolt including or excluding the socket head.

The 60mm is the length not including the bolt head. On the 60mm option there is only 23mm of thread the rest is just smooth.