BGM Fastener Grade 5 Product Specifications

Steel with a minimum tensile strength of 120 KSI and hardness between HR C25 and HR C34

Click on the images above to for an expanded view

Material

  • ASTM A449
  • FF-S-85
  • SAE J429

Hardness

  • ASTM E18

Head Marking

  • MIL-HDBK-131 Raised marking: 3 radial lines, BGM Manufacturer
  • MIL-HDBK-57

Dimensions

  • ASME B18.2.1 Plus applicable MS drawings

Threads

  • ASME B1.1 UNC/UNF class 2A (3A post-plating)

Discontinuities

  • ASTM F788
  • FF-S-85

Cleaning

  • ASTM A380
  • ASTM B322
  • MIL-S-5002

Protective Finish

  • ASTM B633
  • SAE AMS-QQ-P-416

Chemical Composition

  • ASTM A751

Plating Thickness

  • ASTM B568

Plating Adhesion

  • ASTM B571
  • SAE AMS-QQ-P-416

Pyrometry

  • SAE AMS-2750

Embrittlement/Stress Relief

  • ASTM B849
  • ASTM B850

Tensile/Proof

  • ASTM F606

Optional Locking

  • MIL-DTL-18240

Sampling

  • ANSI ASQC Z1.4
  • ASME B18.18.2
  • ASTM F1470
  • MIL-STD-105