HT239PB4-12

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Description:

Fastener Length: 1-3/32", Thread: 1/4-28, Thread Length: 11/32"

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HT239PB4-12 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.290 inches minimum and 0.357 inches maximum
Fastener Length:
1.050 inches minimum and 1.097 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.389 inches minimum and 0.394 inches maximum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
High-torque
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):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum overall and 40.0 rockwell c maximum overall
Countersink Angle:
100.0 degrees nominal
Material:
Steel comp 4140 overall or steel comp e4340 overall or steel comp 6150 overall or steel comp 8735 overall or steel comp 8740 overall or steel comp 4130 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,type 2,class 2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
26512-gb510l manufacturers standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-3/32

Additional Information

SKU / Model: HT239PB412
NSN: 5305-01-043-0555
FSC: Screws / 5305
Product Series: HT239PB4
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
HT239PB4-12_Military-Fasteners-com.pdf
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More HT239PB4 close tolerance screws

HT239PB4-9

Fastener Length: 29/32", Thread: 1/4-28, Thread Length: 11/32"

HT239PB4-8

Fastener Length: 13/16", Thread: 1/4-28, Thread Length: 21/64"

HT239PB4-5

Fastener Length: 5/8", Thread: 1/4-28, Thread Length: 21/64"

HT239PB4-4

Fastener Length: 9/16", Thread: 1/4-28, Thread Length: 21/64"

HT239PB4-10

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