NAS428HK4A6

Bolt

email this to someone  
Description:

Fastener Length: 13/16", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 25/32"

* 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

NAS428HK4A6 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.678 inches minimum and 0.781 inches maximum
Fastener Length:
0.750 inches minimum and 0.812 inches maximum
Head Style:
Crowned hexagon
Head Height:
0.131 inches minimum and 0.151 inches maximum
Width Between Flats:
0.428 inches minimum and 0.440 inches maximum
Hole Diameter:
0.035 inches nominal
Thread Diameter:
0.250 inches
Grip Length:
0.031 inches minimum and 0.062 inches maximum
Hole Quantity:
1
Hole Type:
Drilled
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
125000 pounds per square inch
Hardness Rating:
26.0 rockwell c minimum overall and 32.0 rockwell c maximum overall
Hole Configuration Style:
Hexagon longitudinal hole
Special Features:
Slot in @thread end
Material:
Steel comp 8740 overall or steel comp 4140 overall or steel comp 8735 overall or steel comp 4037 overall or steel comp 4130 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type 2,class 2 fed spec single treatment response overall
Thread Series Designator:
Unf
Specification Data:
80205-nas428 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 13/16

Additional Information

SKU / Model: NAS428HK4A6
NSN: 5306-01-042-4389
FSC: Bolts / 5306
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093460, Bolts / Nuts Noi Bbc / Zinc
Download PDF Version
NAS428HK4A6_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More machine bolts

NAS428HK4A5

Fastener Length: 5/8", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 19/32"

NAS428HK4A20

Fastener Length: 2-", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 1-61/64"

NAS428HK4A14

Fastener Length: 1-9/16", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 1-9/16"

NAS428HK4A13

Fastener Length: 1-7/16", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 1-13/32"

NAS428HK4A12

$4.20 EA, Fastener Length: 1-1/4in., Hole Diameter: 1/32in., Thread: 1/4-28, Thread Length: 1-7/32in.

NAS428HK4A11

Fastener Length: 1-3/16", Thread: 1/4-28, Thread Length: 1-3/16"

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

It was easy to order online and I received the product in only a few days. Great service!

5.0

10/10 love working with Amanda! She’s always eager to get on the phone with customers and ready to get their orders out the door.

5.0

Good service, fast response on orders Good prices

5.0

I love your website. Can hardly believe how fast & accurate the orders come. Am building a kit plane, need a lot of small hardware and electrical the past few months. There has not been a mistake in the last dozen orders.

4.0