BGM Fastener Grade 8 Product Specifications

Alloy steel with a minimum tensile strength of 150 KSI and hardness between HR C33 and HR C39

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Material

  • ASTM A354 BD
  • SAE J429

Hardness

  • ASTM E18

Head Marking

  • ASTM A354 BD
  • MIL-HDBK-131
  • 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

Cleaning

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

Protective Finish

  • ASTM B633
  • SAE AMS-QQ-P-416

Embrittlement Test

  • NASM 1312-5

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