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AN106610

Aeronautical Standard Bolt

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Description

Fastener Length: 3/4", Hole Diameter: 5/64", Thread: 5/16-24, Thread Length: 43/64"

Specifications

Fastener Length 0.740 inches minimum and 0.760 inches maximum
Features Provided Finished head
Head Height 0.193 inches minimum and 0.213 inches maximum
Head Style Hexagon Head
Hole Configuration Style Hexagon flats
Hole Diameter 0.070
Hole Quantity 1
Hole Type Drilled
Length 3/4
Material CRES
Material Specification Ams 5637 assn std single material response
Surface Finish 32.0 microinches threads, 63.0 microinches bearing surface of head, 63.0 microinches grip
Thread Class 3a
Thread Diameter 0.312
Thread Direction Right-hand
Thread Length 0.657 inches minimum and 0.677 inches maximum
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNF
Thread Size 1/4
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