Steel and stainless steel fasteners according to ISO 898-1 and ISO 3506-1 .
DIN 267 bolt | DIN 267-27 fasteners specification, sizes and Grades
In heavy-duty industries like automotive, aerospace, and petrochemicals, traditional nuts and bolts often face the risk of self-loosening due to vibration or thermal expansion. specifies the functional characteristics of steel screws, bolts, and studs that are pre-coated with micro-encapsulated adhesives to mitigate these risks. 1. Scope and Technical Specifications The standard applies to a wide range of metric fasteners: Thread Type: ISO metric threads (coarse and fine pitch). Diameter Range: M3 to M39. din 26727 pdf hot
To comply with DIN 267-27, fasteners must pass several torque-related tests:
The force required to initiate the first relative movement between the bolt and the mating part. Steel and stainless steel fasteners according to ISO
While search results often reference "DIN 26727" as a shorthand, the official designation is , a critical standard for fasteners with micro-encapsulated (MK) adhesive coatings . This standard ensures that screws and bolts remain securely locked under high-vibration or high-temperature conditions.
The "hot" aspect of this keyword likely refers to the standard’s rigorous testing for . DIN 267-27 is designed for extreme thermal reliability: Standard Range: Typically tested for use from -50∘Cnegative 50 raised to the composed with power C +100∘Cpositive 100 raised to the composed with power C To comply with DIN 267-27, fasteners must pass
Certain MK coatings are rated for service temperatures up to +150∘Cpositive 150 raised to the composed with power C .