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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Customer Reviews

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Great customer service. Did a quick research for us to find a replacement. Will buy again.

5.0

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

I love how quickly you always ship my orders. The person I spoke to was knowledgeable and helpful.

5.0

My orders have been delivered on time or earlier all packaged well and in good shape. Thank you Military Fasteners.

5.0