DIN 912 / ISO 4762 Socket Cap Screw Grade 12.9

SPECIFICATIONS

Material: Carbon Steel 40Cr
Property class: 12.9
Tensile Strength: 120 - 140 kg/mm² (approx. 1177-1372 MPa)
Hardness: HRC 39 – 44
Surface Finish: Black
RoHS-compliant: Yes
Head type: Socket head
Drive type: Hexagon socket
Thread type: Metric thread
Thread form: Standard metric thread
Product class: A
Thread Size: M3 ~ M48

Click Diameter to view pricing or download the All price list PDF

DIN 912 / ISO 4762 Socket Cap Screw Grade 12.9 Price list pdf

Quality Control:  Hardness Test, Tensile Test Report available upon request

Here is a sample of an inspection report along with descriptions of the test items.

1. DIMENSIONAL INSPECTIONS: Appearance,Thread (M10-P1.5-6g) , Gage For Hex Socket    , Head Diameter , Head Height , Hex T , Body Diameter ,Thread Length , Length Of Screw
2. MECHANICAL PROPERTIES: Core Hardness ,Tensile Strength , Yield stress,Elongation after fracture
3. CHEMICAL ANALYSIS: Chemical Element : C    Si    Mn    P    S    Cr

Click to download the completed inspection report sample PDF.