- Thread Class
- 2A
- Thread Direction
- Right-hand
- Thread Length
- 0.724 inches minimum and 0.875 inches maximum
- Fastener Length
- 0.844 inches minimum and 0.875 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.150 inches minimum and 0.163 inches maximum
- Width Between Flats
- 0.428 inches minimum and 0.438 inches maximum
- Locking Feature
- Patch threads or strip threads
- Nominal Thread Diameter
- 0.250 inches
- Features Provided
- Finished head
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 120000 pounds per square inch
- Hardness Rating
- 25.0 rockwell C minimum overall and 34.0 rockwell C maximum overall
- Special Features
- 0.062 in. dia hole through head
- Material
- Steel overall
- Material Document and Classification
- Sae gr 5 assn std single material response overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416, type 2 class 2 fed spec all treatment responses overall
- Thread Series Designator
- UNC
- Nondefinitive Spec/STD Data
- 2 type and 10P style and 5 grade
Catalogue data is compiled from public DLA/FLIS sources and is provided for
identification. Availability, condition and certification are confirmed on
quotation. OmniSynk Distribution Services is a stocking distributor.