B1821BH031C250D

Screw

email this to someone  
Description:

Fastener Length: 2-1/2", Hole Diameter: 1/16", Thread: 1/4-18, Thread Length: 0-63/64"

* Manufacturer certifications are shipped with your order FREE of charge
no image available
Add to Quote We are currently out of stock of this item. Click the button below to add this item to a quote and receive up to date pricing and availability by email.

Add to Quote

B1821BH031C250D Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.864 inches minimum and 1.052 inches maximum
Fastener Length:
2.406 inches minimum and 2.500 inches maximum
Head Style:
Hexagon
Head Height:
0.195 inches minimum and 0.211 inches maximum
Width Between Flats:
0.489 inches minimum and 0.500 inches maximum
Hole Diameter:
0.060 inches minimum and 0.068 inches maximum
Thread Diameter:
0.312 inches
Hole Quantity:
1
Hole Type:
Drilled
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
18
Min. Tensile Strength (psi):
150000 pounds per square inch
Hardness Rating:
32.0 rockwell c minimum overall and 38.0 rockwell c maximum overall
Hole Configuration Style:
Hexagon flats
Material:
Steel overall
Material Specification:
Sae grade 8 assn std single material response overall
Surface Treatment:
Zinc overall and chromate overall
Surface Treatment Specification:
Astm b633 ty 2 sc 3 assn std single treatment response overall
Thread Series Designator:
Unc
Nondefinitive Specification/std Data:
2 type and 10p style
Quick Specs
Thread Size 1/4
Thread Qty 18
Material Steel
Length 2-1/2

Additional Information

SKU / Model: B1821BH031C250D
NSN: 5305-01-273-1504
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
B1821BH031C250D_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

Have a question

If you require a quote on this or any product please visit our quote request page »

Browse our frequently asked questions page.

You may contact us by phone at +1 (904) 543-6395 or email us using our contact form.

Our hours of operation are 8:00am - 6:00pm EST

Customer Reviews

Google View our Google profile

Best source for mil spec hardware. Website is user friendly, inventory is expansive, overnight shipment is a huge plus, and customer support is responsive and very helpful.

5.0

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

5.0

Ryan was extremely helpful and is typical of the type of customer service I am accustomed to when I ask for help at Military Fasteners.

5.0

Ordered on a Monday evening and arrived in New Zealand Friday afternoon. Very good prompt service and the compass was installed on the Saturday after calibration. Thanks Military Fasteners!

5.0