🇬🇧 M5 Zylinderschrauben mit Innensechskant 12,9 hochfest stahl schwarz sechskantschraube
Our inventory continues to grow as we work toward becoming one of the UK's leading online fastener suppliers. Allen Key Size - 4mm. Pitch - 0.80mm. Generally, a higher number indicated a stronger, more hardened (but also more brittle) fastener.