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clyde72

2 Posts

160208

February 14th, 2016 18:00

XPS 8900 SSD M2.0 port mounting screw size?

Does anyone know what size the screw (#1 in the picture) is that secures an SSD in the M2.0 slot on the XPS 8900 mother board?

D99X

11 Posts

June 10th, 2016 21:00

Two different Dell support people referred me to the correct screw for the XPS8900, which I received, and is confirmed to work.


It is M2x3.5, NOT M2x3. The official Dell part is:

6JPHH1SCREW, M2X3.5, WIFI/SSD/DDPE, DF

(or just part number 6JPHH).

speedstep

9 Legend

 • 

47K Posts

February 19th, 2016 08:00

screws have more than 1 spec.

for instance  slot screws are usually 6-32 x 1/4 inch

Those I think are 2.0 or 2.5 or 3.0 or 4.0 mm but I don't know the thread pitch.

Then there is the issue of the LENGHTH of the screw.

http://www.laptopscrews.com/M2.5x4.htm

 http://www.laptopscrews.com/ssd.html

 

M2.5x4mm OEM Wafer Head

Machine Screw

 

Average Overall Length: 4.59mm

Average Head Width: 5.33mm

Average Head Thickness: 0.77

Thread Pitch: 0.45

Drive: Phillips

 again this is totally a guess.


clyde72

2 Posts

February 24th, 2016 16:00

I finally found the correct screw!

It's a M2x3 thread pitch is .40

Leee79

15 Posts

March 14th, 2016 20:00

I finally found the correct screw!

It's a M2x3 thread pitch is .40

Thanks!  I searched around for a month for this answer.

I had found a 0-80 screw that would thread, but ultimately was too long. And the head, too narrow. Big pain!

Thanks again!!

speedstep

9 Legend

 • 

47K Posts

March 15th, 2016 09:00

ISO 261 standard preferred threads
Nominal diameter
D (mm)
ISO 261		 Pitch
P (mm)		 Nominal diameter
D (mm)		 Pitch
P (mm)
1st
choice
ISO 262		 2nd
choice		 Coarse Fine 1st
choice		 2nd
choice		 Coarse Fine
1 0.25 0.2 16 2 1.5
1.2 0.25 0.2 18 2.5 2 or 1.5
1.4 0.3 0.2 20 2.5 2 or 1.5
1.6 0.35 0.2 22 2.5 2 or 1.5
1.8 0.35 0.2 24 3 2
2 0.4 0.25 27 3 2
2.5 0.45 0.35 30 3.5 2
3 0.5 0.35 33 3.5 2
3.5 0.6 0.35 36 4 3
4 0.7 0.5 39 4 3
5 0.8 0.5 42 4.5 3
6 1 0.75 45 4.5 3
7 1 0.75 48 5 3
8 1.25 1 or 0.75 52 5 4
10 1.5 1.25 or 1 56 5.5 4
12 1.75 1.5 or 1.25 60 5.5 4
14 2 1.5 64 6 4

speedstep

9 Legend

 • 

47K Posts

March 15th, 2016 09:00

I finally found the correct screw!

It's a M2x3 thread pitch is .40

http://www.laptopscrews.com/M2x4.htm

 

PerryR2

4 Posts

July 26th, 2016 14:00

Anyone know where I can get this M2X3.5 screw?

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