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NAS6605-38

2.844 Inch Length NAS6605 0.3125-24 Thread Hexagon Head Close Tolerance Bolt

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Description

2.844 Inch Length NAS6605 0.3125-24 Thread Hexagon Head Close Tolerance Bolt

Specifications

Country of Origin USA
Drilling Undrilled Head
Fastener Length 2.829 inches minimum and 2.859 inches maximum
Grip 2.375 in
Grip Tolerance ±0.010 in
Hardness Rating 36.0 rockwell c minimum and 40.0 rockwell c maximum
Head Height 0.156 inches minimum and 0.171 inches maximum
Head Style Dished hexagon
Head Type Hexagon
Industry Standards/Certification NAS6605
Length 2.844 in
Material Steel
Material Specification Mil-s-5000 mil spec single material response
Min. Tensile Strength (psi) 160000 pounds per square inch
Shoulder Diameter 0.3266 inches minimum first shoulder and 0.3276 inches maximum first shoulder
Shoulder Length 2.365 inches minimum first shoulder and 2.385 inches maximum first shoulder
Shoulder Shape Round first shoulder
Specification Data 80205-nas6605-38 professional/industrial association standard
Surface Treatment Cadmium
Surface Treatment Specification Qq-p-416a,ty 2,cl2 fed spec single treatment response
Thread Class 3a
Thread Diameter 0.312
Thread Direction Right-hand
Thread Length 0.444 inches minimum and 0.494 inches maximum
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNJF
Thread Size 0.3125-24
Weight 0.07 lb
Width Between Flats 0.492 inches minimum and 0.502 inches maximum

Cross-reference

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Catalog data updated 2026-07-05. Report a data error