BACB30LU4-20

Bolt

email this to someone  
Description:

Fastener Length: 1-11/16", Thread: 1/4-28, Thread Length: 7/16"

* 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

BACB30LU4-20 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.400 inches minimum and 0.450 inches maximum
Fastener Length:
1.660 inches minimum and 1.690 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.455 inches minimum and 0.510 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.250 inches
Grip Length:
1.240 inches minimum and 1.260 inches maximum
Thready Qty Per Inch (tpi):
28
Countersink Angle:
100.0 degrees nominal
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Material:
Steel comp e4340 overall or steel comp 4340 overall or steel comp 8740 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:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-11/16

Additional Information

SKU / Model: BACB30LU420
NSN: 5305-01-056-1510
FSC: Screws / 5305
Product Series: BACB30LU4
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 35 EA
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
BACB30LU4-20_Military-Fasteners-com.pdf
Worldwide Shipping

* report an issue on this page

More BACB30LU4 close tolerance bolts

BACB30LU4P8

BOLT

BACB30LU4D9

Fastener Length: 0-63/64", Thread: 1/4-28, Thread Length: 7/16"

BACB30LU4D6

BOLT

BACB30LU4D42

BOLT

BACB30LU4D35

BOLT

BACB30LU4D21

BOLT

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

Products are military grade MIL-SPEC as advertised. I was able to locate #10 locking counter-sunk nutplates when ALL other locations, including Aircraft-Spruce, could not supply.

5.0

Excellent customer service. Quick response to inquiries and customer service reps found and dealt with problems swiftly.

5.0

Good service, fast delivery

5.0

Very satisfied with the order process. I have been using you guys for the last few years and have never had a problem. Keep up the good work.

5.0