ST3M571-4-18

Bolt

email this to someone  
Description:

Fastener Length: 1-37/64", Thread: 1/4-28, Thread Length: 29/64"

* 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

ST3M571-4-18 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.443 inches minimum and 0.493 inches maximum
Fastener Length:
1.578 inches minimum and 1.608 inches maximum
Head Style:
Double hexagon w/hole
Head Height:
0.290 inches minimum and 0.310 inches maximum
Width Between Flats:
0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter:
0.428 inches minimum and 0.438 inches maximum
Extended Washer Thickness:
0.059 inches minimum and 0.079 inches maximum
Grip Diameter:
0.2490 inches minimum and 0.2495 inches maximum
Thread Diameter:
0.250 inches
Grip Length:
1.115 inches minimum and 1.135 inches maximum
Thready Qty Per Inch (tpi):
28
Material:
Steel comp xm-13 overall
Material Specification:
Ams 5629 assn std single material response overall
Surface Treatment:
Passivate overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-19/32

Additional Information

SKU / Model: ST3M571418
NSN: 5306-01-027-5249
FSC: Bolts / 5306
Product Series: ST3M571
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
ST3M571-4-18_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More ST3M571 machine bolts

ST3M571-8H46

Fastener Length: 3-21/32in., Hole Diameter: in., Thread: 1/2-20, Thread Length: 25/32in.

ST3M571-8D46

Fastener Length: 3-21/32", Thread: 1/2-20, Thread Length: 25/32"

ST3M571-8-18

Fastener Length: 1-29/32", Thread: 1/2-20, Thread Length: 25/32"

ST3M571-8-12

Fastener Length: 1-17/32", Thread: 1/2-20, Thread Length: 25/32"

ST3M571-7H28

Fastener Length: 2-15/32", Hole Diameter: ", Thread: 3/8-20, Thread Length: 23/32"

ST3M571-6H23

Fastener Length: 2-1/16", Hole Diameter: ", Thread: 3/8-24, Thread Length: 5/8"

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

This is the first time I ordered from your company. My shipment arrived on time and was packed well. Thank you for your service to those of us that need parts to keep our passions flying!

4.5

Excellent service, as always and the reason I buy all my aviation parts from Military Fasteners!

4.5

Easy ordering format, fast delivery, packaged and documented well.

4.0

I've never received an incorrect order from ACS, even when dealing with small hardware such as nuts, washers, screws, etc. Shipment is always fast and with reasonable shipment prices for my needs. Even my smallest of orders is processed and ship quickly. I'm a long-time ACS customer and I expect I will be for a long time.

5.0