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

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B1821AH025F125N Features and Specification

Thread Class:
Thread Direction:
Thread Length:
1.000 inches maximum
Fastener Length:
1.210 inches minimum and 1.250 inches maximum
Head Style:
Head Height:
0.150 inches minimum and 0.163 inches maximum
Width Between Flats:
0.428 inches minimum and 0.438 inches maximum
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
Min. Tensile Strength (psi):
150000 pounds per square inch
Hardness Rating:
26.0 rockwell c minimum overall and 36.0 rockwell c maximum overall
Steel uns k04100 overall
Material Specification:
Astm a354 gr bd gr 8 assn std single material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator:

Additional Information

SKU / Model: B1821AH025F125N
NSN: 5305-01-318-9181
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 35 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
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