HT239PB4-4

Screw

email this to someone  
Description:

Fastener Length: 9/16", Thread: 1/4-28, Thread Length: 21/64"

* 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

HT239PB4-4 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.296 inches minimum and 0.336 inches maximum
Fastener Length:
0.556 inches minimum and 0.576 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.390 inches minimum and 0.395 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Grip Length:
0.240 inches minimum and 0.260 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum overall and 40.0 rockwell c maximum overall
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
63.0 microinches grip
Material:
Steel comp 4140 overall or steel comp e4340 overall or steel comp 6150 overall or steel comp 8735 overall or steel comp 8740 overall or steel comp 4130 overall
Material Specification:
Mil-s-5626 mil spec 1st material response overall or mil-s-5400 mil spec 2nd material response overall or mil-s-8503 mil spec 3rd material response overall or mil-s-6098 mil spec 4th material response overall or mil-s-6049 mil spec 5th material response overall or mil-s-6758 mil spec 6th 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:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 9/16

Additional Information

SKU / Model: HT239PB44
NSN: 5305-00-151-6968
FSC: Screws / 5305
Product Series: HT239PB4
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 45 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
HT239PB4-4_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More HT239PB4 close tolerance screws

HT239PB4-9

Fastener Length: 29/32", Thread: 1/4-28, Thread Length: 11/32"

HT239PB4-8

Fastener Length: 13/16", Thread: 1/4-28, Thread Length: 21/64"

HT239PB4-5

Fastener Length: 5/8", Thread: 1/4-28, Thread Length: 21/64"

HT239PB4-12

Fastener Length: 1-3/32", Thread: 1/4-28, Thread Length: 11/32"

HT239PB4-10

Screw

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

When I need materials for a project Military Fasteners provides the selection, prices and great shipping speed and rates that I need.

4.0

Easy catalogue to find things. Battery fit perfect. Legal again for another two years. Delivered sooner than promised!

5.0

Have had nothing but great experiences. If I ever need anything I just email Amelia Fato and she gets me fixed up! Super fast and helpful customer service. 10 out of 10.

5.0

I am a retired AME/Pilot. I have been restoring a 1946 Globe Swift and have relied on the support and expertise provided by your sales staff. My experience has been very positive. In return, I buy everything I can from Military Fasteners. You are my preferred supplier. Thank you.

5.0