Spec hardware, served at warp speed.

bolts › machine bolts

NAS428K4A7

Bolt

View quote list → Saved parts →

Description

Fastener Length: 15/16", Thread: 1/4-28, Thread Length: 15/16"

Specifications

Fastener Length 0.875 inches minimum and 0.937 inches maximum
Head Height 0.141
Head Style Hexagon Head
Length 15/16
Material Steel
Special Features Slotted shank at tip .061min/.077max wide,.097/.130 deep
Surface Treatment Cadmium
Thread Class 3a
Thread Diameter 0.2500
Thread Direction Right-hand
Thread Length 0.875 inches minimum and 0.937 inches maximum
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNJF
Thread Size 1/4
Width Between Flats 0.428 inches minimum and 0.440 inches maximum

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

No interchangeable or dimensionally similar parts are on record for NAS428K4A7. Try the cross-reference lookup to search by a different part number.

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