100pcs M4 SOCKET ALLEN CAP HEAD HEX KEY SCREW BOLT A2 STAINLESS ALLOY STEEL 12.9

Product Description:
  • Item: DIN912 Metric M4 Alloy Steel Grade 12.9 Socket Cap Screw
  • 30mm- 70mm, Please Select Length And Quantity

( Screws 30mm and over are not threaded full length.)

Dimensions of screws:
  • Head Type: Hex Socket Cap
  • Head Diameter : 7mm
  • Head Height: 4mm
  • Thread Diameter: 4mm
  • Thread Pitch:0.7mm
  • Allen Key Size: 3mm
  • Screw length does not include head
  • Please note that stainless bolts are not recommended for replacing high tensile bolts.
  • Material: Alloy Steel Grade 12.9
  • Surface Treatment: O1(Black Oxide)
  • Head Treatment: Knurled
  • In this listing, all the thread diameter are 3mm,so the above options are different thread length. And the screws are all thread.

Package included:

100pcs Hexagon Socket Head Cap Screws Bolts M4 A2 Stainless DIN912 Alloy Steel