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ISO 898-1 (Fastener Mechanical Properties for Bolts, Screws, and Studs)

ISO 898-1 · ISO standard

ISO 898-1 is the standard for the mechanical properties of bolts, screws, and studs made of carbon steel and alloy steel. To match this to your program, talk with our team.

What ISO 898-1 Covers

It defines the property classes and the tensile, proof-load, wedge, and hardness requirements for externally threaded steel fasteners.

How the Test Is Run

Bolts and screws are proof loaded, pulled to failure, and wedge tested using suitable fixtures, and results are checked against the property class.

Why It Matters

Property-class verification underpins bolted-joint safety and interchangeability; high-force grips, wedge fixtures, and threaded adapters are essential.

Reading the Designation

Cited as ISO 898-1 with its edition year. Confirm the edition and specimen or fixture requirements before finalizing setup. To configure a testing setup, request a quote.

TensileMill CNC products for ISO 898-1

Our specimen-preparation systems and testing equipment compatible with ISO 898-1.

Set up ISO 898-1 testing with TensileMill CNC

Tell us your materials, specimen forms, and required test sections, and our team will match the right configuration.