Fastener guides & tools
The clearest fastener reference in Pakistan — the same ISO / SAE / ASTM data that powers every product spec on this site. Use it to specify, then send us a quote request.
Guide
Bolt Grades Explained
ISO 898-1, SAE J429 and ISO 3506 grades — how to read markings, and what each grade is for.
Open → ToolTensile-Load Calculator
Work out the minimum breaking load of a metric bolt from its size and grade — instantly.
Open → ChartBolt Size & Stress-Area Chart
M3–M48 with pitch, tensile stress area and imperial (UNC) cross-reference. Printable.
Open → GuideMatching-Nut Guide
Which nut grade to pair with each bolt class — ISO 898-2, SAE J995 and ASTM A563/A194.
Open → ToolBolt Finder
Answer a few questions and land on the exact fasteners you need.
Open →Specified what you need?
Turn your spec into a priced quotation — no account, no online payment.