HT4009-4-8

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Description:

Fastener Length: 29/32", Thread: 1/4-28, Thread Length: 27/64"

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HT4009-4-8 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.372 inches minimum and 0.422 inches maximum
Fastener Length:
0.882 inches minimum and 0.912 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.456 inches minimum and 0.508 inches maximum
Shoulder Diameter:
0.2802 inches minimum first shoulder and 0.2807 inches maximum first shoulder
Shoulder Length:
0.395 inches minimum first shoulder and 0.415 inches maximum first shoulder
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape:
Round first shoulder
Special Features:
Socket drive recess in thread end 0.0947 in. min and 0.0967 in. max width across flats
Material:
Steel comp xm-13 overall
Material Specification:
Ams5629 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 29/32

Additional Information

SKU / Model: HT400948
NSN: 5305-01-046-0704
FSC: Screws / 5305
Product Series: HT4009
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.2010
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
HT4009-4-8_Military-Fasteners-com.pdf
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More HT4009 machine screws

HT4009-4-13

Fastener Length: 1-7/32", Thread: 1/4-28, Thread Length: 27/64"

HT4009-4-11

Fastener Length: 1-3/32", Thread: 1/4-28, Thread Length: 27/64"

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