We have an essential info section looking at how to ID chains – why not take a look by clicking here.

Chains are not measured by stretching them out on a bench and squinting down a tape measure – chains are identified by PITCH, GUAGE and NUMBER OF DRIVE LINKS [no – not the cutting teeth – drive links and you’ll know the difference by even a cursory look at the chain ID link above].

Bars likewise are not measured the same way – manufacturers give them a set ‘length’ which is generally the sticky out bit that comes out of the chainsaw [not including the mount unless in the case of large double ended milling bars which are the exception to the rule and measured end to end].

Chain sharpening is key – if you cannot use a chain and have it cutting well until the cutters are so small they end up getting knocked off – you have plenty to learn. Watch, research, rinse and repeat. Read our article on chain sharpening by clicking here – often people get caught up in different angles and techniques – but the principles are always the same.

If you are serious about correct maintenance of your bar and chain work your way through the Oregon manual [click here] and after that check out the Stihl equivalent [click here]. Using a chainsaw for 20 years [badly] does not qualify you as an experienced user – so be the change, make the difference and keep educating yourself about these valuable yet dangerous tools.

And finally – why buy a new bar and chain without checking/replacing the drive rim or drive sprocket? [again click here if unsure on what these refer to]. Would you change the oil on your car without changing the oil filter?

3686-26RM Stihl Micro Chisel .404 .063[1.6mm]


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Stock 8529
Part Number 3686-26RM Part Number 3686-26RM Category:

Please make sure you order the correct number of drive links for your bar Check you have not just ordered 1 drive link


Micro chisel chain. Good, fast efficient cutting in all timber types and good stay sharp ability.

Customer Reviews

Based on 6 reviews
Chain saw chain

Great chains at a reasonable price. Delivered very quickly. What’s not to like .
Fitted to my MS261 used for coppice work so gets a beating lots of nasty dirt and stuff when cutting that close t9 he ground in thin multi stem hazel. Also used for processing wood for bowl blanks seems to rip ok as well .

Genuine Stihl chain

I use this on my ground saw because I believe it cuts virtually as quick as the RS full chisel but I hit nails, washing lines, stones, etc inside garden trees and it is very much quicker to sharpen.


Cuts fast very efficiently


Best chain I have found for rough dirty wood


Very little kick back

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