HT4009-4-8

Screw

email this to someone  
Description:

Fastener Length: 29/32", Thread: 1/4-28, Thread Length: 27/64"

* 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

HT4009-4-8 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.372 inches minimum and 0.422 inches maximum
Fastener Length:
0.882 inches minimum and 0.912 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.456 inches minimum and 0.508 inches maximum
Shoulder Diameter:
0.2802 inches minimum first shoulder and 0.2807 inches maximum first shoulder
Shoulder Length:
0.395 inches minimum first shoulder and 0.415 inches maximum first shoulder
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape:
Round first shoulder
Special Features:
Socket drive recess in thread end 0.0947 in. min and 0.0967 in. max width across flats
Material:
Steel comp xm-13 overall
Material Specification:
Ams5629 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 29/32

Additional Information

SKU / Model: HT400948
NSN: 5305-01-046-0704
FSC: Screws / 5305
Product Series: HT4009
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.2010
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
HT4009-4-8_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More HT4009 machine screws

HT4009-4-13

Fastener Length: 1-7/32", Thread: 1/4-28, Thread Length: 27/64"

HT4009-4-11

Fastener Length: 1-3/32", Thread: 1/4-28, Thread Length: 27/64"

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

Excellent fast service and shipping all the way to Alaska. Thank you very much!!

5.0

As always great service with fast shipping. That's why I always choose military fasteners first for my aircraft needs. Thanks.

4.0

Everything I ordered was delivered quickly, packaged well. In fact, all of my prior orders as well.

5.0

Experience has been great the whole time, simple and easy website to use, no complaints. Even our rep, Trisha Hawkins, has been nothing but helpful to us. 5/5

5.0