HT4057-4-8A

Bolt

email this to someone  
Description:

Fastener Length: 63/64", Thread: 1/4-28, Thread Length: 31/64"

* 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

HT4057-4-8A Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.444 inches minimum and 0.494 inches maximum
Fastener Length:
0.954 inches minimum and 0.984 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.456 inches minimum and 0.508 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:
0.490 inches minimum and 0.510 inches maximum
Thready Qty Per Inch (tpi):
28
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Special Features:
Cetyl alcohol lubrication
Material:
Steel comp xm-13 overall
Material Specification:
Ams 5629 assn std single material response overall
Surface Treatment:
Aluminum overall
Surface Treatment Specification:
Mil-c-83488 mil spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 63/64

Additional Information

SKU / Model: HT405748A
NSN: 5305-01-102-5532
FSC: Screws / 5305
Product Series: HT4057
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.23.0000
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
HT4057-4-8A_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More HT4057 machine bolts

HT4057-6-8A

Fastener Length: 1-5/32", Thread: 3/8-24, Thread Length: 21/32"

HT4057-5-6

Fastener Length: 25/32", Thread: 1/4-24, Thread Length: 1/2"

HT4057-4-12A

Bolt

HT4057-3-9A

Bolt

HT4057-3-9

Ht Bolt

HT4057-3-8A

Fastener Length: 29/32", Thread: 10-32, 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

You just cant find a place that does better than Military Fasteners, folks. Have done quite well here for many years. Many thanks guys

4.0

I appreciate your service, especially being able to talk to people who know a lot about aircraft and the many accessories, parts, etc.

5.0

Love working with this company. Customer service is always so kind and helpful.

5.0

Excellent customer service. One of my orders was damaged in shipping and they replaced it immediately. Thank you for the support.

5.0