ST3M506-4-4-1

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Description:

Fastener Length: 21/32", Thread: 1/4-28, Thread Length: 27/64"

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ST3M506-4-4-1 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.372 inches minimum and 0.422 inches maximum
Fastener Length:
0.632 inches minimum and 0.662 inches maximum
Head Style:
Oval countersunk
Head Diameter:
0.421 inches minimum and 0.426 inches maximum
Shoulder Diameter:
0.249 inches minimum first shoulder and 0.2495 inches maximum first shoulder
Shoulder Length:
0.176 inches minimum first shoulder and 0.204 inches maximum first shoulder
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Countersink Angle:
100.0 degrees nominal
Shoulder Shape:
Round first shoulder
Special Features:
Socket drive recess in thread end 0.095 inch nominal 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:
Unc
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 21/32

Additional Information

SKU / Model: ST3M506441
NSN: 5305-01-045-2539
FSC: Screws / 5305
Product Series: ST3M506
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093490, Bolt / Nut / Screw / Clips / Fastener / Etc
Download PDF Version
ST3M506-4-4-1_Military-Fasteners-com.pdf
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More ST3M506 machine screws

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Fastener Length: 1-15/64", Thread: 3/8-24, Thread Length: 35/64"

ST3M506-6-10

Fastener Length: 1-11/64", Thread: 3/8-24, Thread Length: 35/64"

ST3M506-5-9

Thread: 1/4-24, Thread Length: 1/2"

ST3M506-5-8

Fastener Length: 63/64", Thread: 1/4-24, Thread Length: 1/2"

ST3M506-5-7

Fastener Length: 59/64", Thread: 1/4-24, Thread Length: 1/2"

ST3M506-5-6

Fastener Length: 55/64", Thread: 1/4-24, Thread Length: 1/2"

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