Black 12.9 Grade Knurled Socket Head Bolt Hex Drive Threaded Fastener

RL Fasteners' DIN912 black 12.9 grade carbon steel knurled socket head bolts are designed for machinery, mold, auto motor, automation, and new energy equipment fastening applications. Available in M4-M20 sizes with knurled socket head design and black oxide or plain surface treatment, they support high-strength, stable, and reliable threaded fastening performance.

  • Standard: DIN912
  • Size: M4-M20
  • Material: Carbon Steel
  • Grade: Class 12.9
  • Surface Treatment: Black Oxide / Plain

Get A Quote

Description

Product NameKnurled Socket Head Bolt
MaterialCarbon Steel
SizeM4-M20
GradeClass 12.9
MOQ1000 PCS
StandardDIN912
Delivery time20-30 Days
Head TypeKnurled Socket Head
Surface TreatmentBlack Oxide, Plain
ApplicationMachinery, mold, auto motor, automation, new energy equipment
NoteIf you need to purchase or require further information, Please feel free to contact us via email [email protected]