BACB30BF4K4

Machine Screw

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Description:

Fastener Length: 47/64", Thread: 1/4-28, Thread Length: 31/64

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BACB30BF4K4 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.444 inches minimum and 0.494 inches maximum
Fastener Length:
0.704 inches minimum and 0.734 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.446 inches minimum and 0.510 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Screw Material:
Nickel alloy k-500 or copper alloy 172 or copper alloy 173
Screw Material Specification:
Qq-n-286 class a fed spec 1st material response or qq-c-530 fed spec all material responses
Screw Surface Treatment:
Cadmium
Screw Surface Treatment Specification:
Qq-p-416 type 1 class 3 fed spec single treatment response
Thread Series Designator:
Unf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Nickel
Length 47/64

Additional Information

SKU / Model: BACB30BF4K4
NSN: 5305-01-112-4337
FSC: Screws / 5305
Product Series: BACB30BF4K
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 139820, Nickel Bolts / Nails / Nuts / Rivets Etc
Download PDF Version
BACB30BF4K4_Military-Fasteners-com.pdf
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More BACB30BF4K machine screws

BACB30BF4K6

Fastener Length: 55/64in., Thread: 1/4-28, Thread Length: 15/32in.

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Parts were described exactly as received. Delivered exactly as promised. I was treated better than could have been expected. Give a 5.5 stars out of 5.

5.0

You did great. Ordering on line was easy and the service was very efficient. Received my items within 4 days.

4.0

Got my new Beacon light for 172R works fine. Always get good service from Military Fasteners... Keep up the good work!

5.0

As always, goods exactly as ordered, packaged well, shipped promptly...doesnt get any better. Thank you.

5.0