BACB30LR4-21

Bolt

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Description:

Fastener Length: 1-3/4", Thread: 1/4-28, Thread Length: 7/16"

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BACB30LR4-21 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.400 inches minimum and 0.450 inches maximum
Fastener Length:
1.722 inches minimum and 1.752 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:
1.302 inches minimum and 1.322 inches maximum
Thready Qty Per Inch (tpi):
28
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
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 3 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 1-3/4

Additional Information

SKU / Model: BACB30LR421
NSN: 5305-01-090-6337
FSC: Screws / 5305
Product Series: BACB30LR4
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
BACB30LR4-21_Military-Fasteners-com.pdf
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BACB30LR4U21

Fastener Length: 1-3/4", Thread: 1/4-28, Thread Length: 7/16"

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