ST3M505-4-4

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Description:

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

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ST3M505-4-4 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:
Flat countersunk
Head Diameter:
0.456 inches minimum and 0.508 inches maximum
Shoulder Diameter:
0.2177 inches minimum first shoulder and 0.2182 inches maximum first shoulder
Shoulder Length:
0.145 inches minimum first shoulder and 0.165 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 21/32

Additional Information

SKU / Model: ST3M50544
NSN: 5305-01-046-5461
FSC: Screws / 5305
Product Series: ST3M505
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
ST3M505-4-4_Military-Fasteners-com.pdf
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More ST3M505 machine screws

ST3M505-5-8

Fastener Length: 31/32", Thread: 1/4-24, Thread Length: 31/64"

ST3M505-4-8

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

ST3M505-4-7

Fastener Length: 27/32in., Thread: 1/4-28, Thread Length: 27/64in.

ST3M505-4-6

Fastener Length: 25/32", Thread: 1/4-28, Thread Length: 27/64"

ST3M505-4-5

Fastener Length: 23/32", Thread: 1/4-28, Thread Length: 27/64"

ST3M505-4-3

Fastener Length: 19/32", Thread: 1/4-28, Thread Length: 27/64"

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I was impressed with the speedy delivery of my order and also with the order itself.

5.0

Discovered on Wednesday evening I needed a new tire / tube. I had it in my hands Friday in time for a weekend install. Great service!!

5.0

Small order but all was in stock, sales rep was very friendly and made it a pleasure. Shipped and received quicker than expected.

4.0

Got my new Beacon light for 172R works fine. Always get good service from Military Fasteners... Keep up the good work!

5.0