Guides
Guides
Practical Simfix buying guides for stainless fasteners, from A2 vs A4 and DIN/ISO standards to head types, drive types, sizing and pack choices.
A2, A4 and corrosion choices
Choose stainless grades with confidence for indoor, outdoor, marine and coastal jobs.
StandardsDIN, ISO and BS explained
Decode fastener standards and understand what the product name is telling you.
TechnicalHeads, drives and sizing
Match the visible shape, drive recess and thread size to the right Simfix fastener.
ChallengeFastener Finder Challenge
Put the guide knowledge to work with a quick identification challenge.
ArcadeFastener Frenzy
Complete job cards, chain combos and dodge rusty rejects in a fast workshop game.
Popular guide reads
Should I use A2 or A4?
A practical guide to stainless grades and corrosion resistance.
SpecificationWhat does DIN or ISO mean?
Understand the standards behind common stainless fasteners.
Visual matchWhich head or drive is this?
Identify common fastener heads and drive types before buying.
Pack sizeWhen should I buy bigger?
Choose DIY or trade packs based on repeat use and value.