BACB30LK4-12

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Description:

Fastener Length: 1-9/64", Thread: 1/4-28, Thread Length: 3/8"

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BACB30LK4-12 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.389 inches nominal
Fastener Length:
1.124 inches minimum and 1.154 inches maximum
Head Style:
Pan
Head Diameter:
0.473 inches minimum and 0.492 inches maximum
Head Height:
0.162 inches minimum and 0.175 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:
0.740 inches minimum and 0.760 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
95000 pounds per square inch
Surface Finish:
32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads
Material:
Iron alloy 660 overall
Material Specification:
Ams 5737 assn std single material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 2 fed spec all treatment responses overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 1-9/64

Additional Information

SKU / Model: BACB30LK412
NSN: 5305-01-365-0401
FSC: Screws / 5305
Product Series: BACB30LK4
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10 EA
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
BACB30LK4-12_Military-Fasteners-com.pdf
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Fastener Length: 3/4", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 3/8"

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