Metric Fasteners

Metric Fasteners is a reference guide application built for mechanical engineers who work with fasteners on a daily basis. The app provides quick access to fastener selection and calculation tools based on ISO 898 standards — helping engineers make accurate, standards-compliant decisions right from their Android device without needing to refer to physical handbooks or spreadsheets.

Who is it for

Mechanical Engineers, Design Engineers, Structural Engineers, Manufacturing Engineers, Quality and Standards Teams

Why Metric Fasteners

📌 ISO 898 based — all fastener data and calculations strictly follow international standards

📌 Fastener selection guide — quickly identify the right fastener type, grade, and size for any application

📌 On-device calculations — perform fastener load, torque, and strength calculations instantly

📌 Offline access — full reference guide available without internet connection

📌 Engineer-focused design — built around real day-to-day engineering workflows

📌 Lightweight and fast — no login, no account, just open and use

How it works

Open the app, select your fastener type or calculation need, input the required parameters, and instantly get standards-based results and recommendations — all referenced against ISO 898 without leaving the app.