Characteristics and properties of class 10.9 HRC bolts to EN 14399-10

Characteristics and properties of class 10 HRD nuts to EN 14399-10

Characteristic Standard Characteristic Standard

General Requirements EN 14399-1 General Requirements EN 14399-1

Threads ISO 261, ISO 965-2 Tolerance 6g Threads ISO 261, ISO 965-2

Mechanical Properties EN 14399-10, ISO 898-1 Class 10.9 Mechanical Properties EN 14399-10, EN 20898-2

Class 10

Dimensions and Tolerances EN 14399-10 Dimensions and Tolerances EN 14399-10

Product Marking EN 14399-10 Product Marking EN 14399-10

Nominal diameter

Stress Area Proof load min

Ultimate Load min

Hardness Nominal diameter

Stress Area Proof load min

Hardness

mm2 kN kN HRC mm2 kN HV

M12 84.3 70 87.7

32 to 39

M12 84.3 104.9

272 to 353

M16 157 133 163 M16 157 195.5 M20 245 203 255 M20 245 305 M22 303 252 315 M22 303 377.2 M24 353 293 367 M24 353 439.5

M27 459 381 477 M27 459 571.5 M30 561 466 583 M30 561 698.4 M36 817 678 850 M36 817 1,017.1