B1821BH025C250N

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Description:

Fastener Length: 2-1/2", Thread: 1/4-20, Thread Length: 15/16"

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B1821BH025C250N Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.750 inches minimum and 0.938 inches maximum
Fastener Length:
2.406 inches minimum and 2.500 inches maximum
Head Style:
Hexagon
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):
20
Min. Tensile Strength (psi):
150000 pounds per square inch
Hardness Rating:
32.0 rockwell c minimum overall and 38.0 rockwell c maximum overall
Surface Finish:
63.0 microinches threads
Material:
Steel overall
Material Specification:
Saej429 grade 8 assn std single material response overall or stma354 grade bd assn std single material response overall
Surface Treatment:
Zinc overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty2cl3 fed spec single treatment response overall
Thread Series Designator:
Unc
Quick Specs
Thread Size 1/4
Thread Qty 20
Material Steel
Length 2-1/2

Additional Information

SKU / Model: B1821BH025C250N
NSN: 5305-00-071-2513
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 45 EA
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
B1821BH025C250N_Military-Fasteners-com.pdf
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More hexagon head cap screws

BH025C100N

Fastener Length: 0-31/32in., Thread: 1/4-20, Thread Length: 3/4in., 5305-00-225-3843

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As usual you guys did an excellent job , fast delivery and all the items in perfect condition. What else could you want. Thank you Military Fasteners.

4.0

Military Fasteners provided the supplies needed to repair my prop. They had the exact items I needed, at a good price. My order was delivered in reasonable time, complete with instructions. The end result was a quality repair to get me back flyin again. Thank you! Steve

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Keep on keepin' on! Living in Nova Scotia puts me in somewhat of an aviation backwater where getting aviation hardware can be a bit of a nightmare. Military Fasteners resolves most of the angst and dealing with the friendly and helpful staff I find there resolves the rest.

5.0

Products are military grade MIL-SPEC as advertised. I was able to locate #10 locking counter-sunk nutplates when ALL other locations, including Aircraft-Spruce, could not supply.

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