Spec hardware, served at warp speed.

bolts › machine bolts

AN4C30A

Aeronautical Standard Machine Bolt

View quote list → Saved parts →

Description

Fastener Length: 3-1/16", Thread: 1/4-28, Thread Length: 33/64"

Specifications

Fastener Length Between 3.016 inches and 3.062 inches
Features Provided Finished head
Grip Length Between 2.547 inches and 2.578 inches
Hardness Rating 26.0 rockwell c and 32.0 rockwell c
Head Height Between 0.140 inches and 0.172 inches
Head Style Hexagon Head
Material Steel
Min. Tensile Strength (psi) 125000 pounds per square inch
Surface Treatment Passivate
Thread Class 3a
Thread Diameter 0.25
Thread Direction Right-hand
Thread Length Between 0.438 inches and 0.516 inches
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series UNF
Thread Series Designator Unf (fine thread)
Thread Size 1/4
Width Between Flats Between 0.428 inches and 0.440 inches

Cross-reference

No interchangeable or dimensionally similar parts are on record for AN4C30A. Try the cross-reference lookup to search by a different part number.

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