12.9 M6 Grade Steel Hexagon Socket Head Cap Screw DIN912 Cylindrical Hex Drive High Tensile Strength Allen Bolt Blackening 12.9 Grade Steel Blackening DIN912:M6*20 (300pcs) Thread sizes #4 to #10"

Thread sizes #4 to #10" and M3 to M5

5M3-20 BSOA-3

Wholesale@Retail SO4-M5 (O/D 7

5M3-4 BSO-3

Wholesale@Retail  BSO4-M4(O/D 6

12.9 M6 Grade Steel Hexagon Socket Head Cap Screw DIN912 Cylindrical Hex Drive High Tensile Strength Allen Bolt Blackening 12.9 Grade Steel Blackening DIN912:M6*20 (300pcs) Thread sizes #4 to #10"Wholesale@Retail M6 Hexagon Socket Head Cap Screw Cylindrical Hex Socket Drive High Tensile Strength Allen Bolt 12. 9 Grade Steel Blackening DIN912 Due to too many specifications and models, if there are specifications and models published missing, or you can not find the size specifications, please contact our customer service. thank you!