3DS (Base) Screw and Hardware Measurements

Hello everyone.

A couple of years back I made a post on Reddit measuring all of the screws inside of the Base Model 3DS. Today, I wanted to make a more formal post providing reference images to exactly where those screws go.

This post will be somewhat similar to the ones I did with the DSi and DSi XL, but I will not cover any differences. I only have one 3DS to work with.

The intention is to make a post like this for every DS/3DS console from the Original DS to the New 3DS XL. Links to those posts will be updated when I do them.

How I measured these screws.

I measured the screws on a ruler with markings down to a single millimeter and a digital microscope. Measurements were taken similar to this image of measuring Thread Pitch below

1738520932973.png


Since I do not have specialty equipment to measure screws this small, I am forced to estimate. Take the measurements with the knowledge that it was done by someone who is a novice in screw measuring.

Base 3DS

IFixit Guides uses Phillips #00, but I found that the #000 worked better in some cases. The IFixIt guide as a whole seems to stick to #00 in their guides, but references #000 a couple of times; like a supposed link to a #000 driver on their store page which links to a #00. May be a typo, but I digress.

The 3DS has JIS screw heads similar to the DSi and DSi XL. A Phillips driver works fine, so you don't have to order specialty tools. I will mark which screws were easier to extract with either #00 or #000.
I'll add links to an IFixIt Guide to match my terms to pictures (i.e. Motherboard Black Screw would point to the Motherboard removal step of an IFitIt guide). The screw names themselves will have a link to the picture of the screw removal with another link next to it just in case that link dies.

Screws

Screw Length x Thread Width x Head Width

2.5mm x 1.5mm x 2.5mm
(11X) Rear Shell Silver Screw (Step 4), Motherboard Screws (Step 18), Volume Slider Screw (Step 18), 3D Slider Screw (Setp 32), and Stylus Housing (Step 7)
M1.4 - 0.6 x 2mm

3.5mm x 1.5mm x 2.5mm
(15x) SD Card Back Plate Screws (Step 18), Upper Shell Screws (Step 26), Shoulder Button Covers Right and Left (Right: Step 6 and 7. Left: Step 6), Battery Back Plate (Setp 6)
M1.4 -0.6 x 3mm

4mm x 1.5mm x 3.5mm
(4x) Battery Door/Back Cover Screws (Step 1)
M1.4 - 0.4 X 3.5mm

4.5mm x 1.5mm x 2.5mm
(2x) SD Card Board Screws (Step 10)
M1.4 - 0.6 x 4mm

6mm x 1.5mm x 2.5mm
(9x) Rear Shell Long Screws (Step 4)
M1.4 - 0.6 x 5.5mm

8mm x 1.5mm x 2.5mm
(2x) Circle Pad Screws (Step 6)
M1.4 - 0.6 x ~7mm

Other:

6.5mm L x 2mm Diameter
(2x) Shoulder Button Springs

5.5mm L x 1mm Diameter
(2x) Shoulder Button Posts

4mm Width
(4x) Battery Door/Back Plate Screw E-Clip

3mm Square x 1mm thick
(4x) Battery Door/Back Plate Nuts


Battery Door/Back Plate

1738522730245.png


The Battery Door/Back Plate consists of two parts: the screw and an E-Clip

Four Battery Door/Back Cover Screws:

M1.4 - 0.4 X 3.5mm
4mm x 1.5mm x 3.5mm
1738522928521.png

1738522911034.png


Four E-clips:
4mm Width
1738523016226.png


Rear Shell

1738523219385.png


Nine Rear Shell Long Screws:
(A Phillips #000 works better for these screws)
M1.4 - 0.6 x 5.5mm
6mm x 1.5mm x 2.5mm
1738523341227.png

1738523360724.png


One Rear Shell Silver Screw:
M1.4 - 0.6 x 2mm
2.5mm x 1.5mm x 2.5mm
1738523794294.png

1738523809918.png


Circle Pad

1738524152342.png


Two Circle Pad Screws:

M1.4 - 0.6 x ~7mm
~7.5mm x 1.5mm x 2.5mm
Cirlce Pad (1).jpg

1738524292173.png


SD Card Board

1738524431926.png


Two SD Card Board Screws:
M1.4 - 0.6 x 4mm
4.5mm x 1.5mm x 2.5mm
1738524615094.png

1738524633656.png


Motherboard

1738524710893.png


Four Motherboard Screws and One Volume Slider Srew:
M1.4 - 0.6 x 2mm
2.5mm x 1.5mm x 2.5mm
1738524889524.png

1738524904781.png


Two SD Card Backplate Screws:
M1.4 -0.6 x 3mm
3.5mm x 1.5mm x 2.5mm
1738525385817.png

1738525409221.png


Upper Shell

1738526023864.png


Six Upper Shell Screws:

M1.4 -0.6 x 3mm
3.5mm x 1.5mm x 2.5mm
1738526203936.png

1738526213921.png


3D Slider

1738526530925.png


One 3D Sldier Screw:
M1.4 - 0.6 x 2mm
2.5mm x 1.5mm x 2.5mm
1738526630293.png

1738526642581.png


Right Shoulder Button and Battery Back Plate

1738526997898.png

1738527043340.png


Four Shoulder Button Cover/Battery Backplate Screws

M1.4 -0.6 x 3mm
3.5mm x 1.5mm x 2.5mm
1738527184001.png

1738527198334.png


Left Shoulder Button

1738527373784.png


Four Shoulder Button Cover/Battery Backplate Screws:

M1.4 -0.6 x 3mm
3.5mm x 1.5mm x 2.5mm
1738527555175.png

1738527571266.png


Stylus Housing

1738527337804.png


Four Stylus Housing Screws:

M1.4 - 0.6 x 2mm
2.5mm x 1.5mm x 2.5mm
1738527693354.png

1738527708875.png


Battery Door/Backplate Nuts, Shoulder Button Springs, and Shoulder Button Posts.

WIN_20250202_12_28_02_Pro.jpg


Four Battery Door/Backplate Nuts:
3mm Square x 1mm thick
1738527993464.png

1738528014167.png


Two Shoulder Button Springs:

6.5mm L x 2mm Diameter
1738528203233.png

1738528217844.png


Two Shoulder Button Posts:
5.5mm L x 1mm Diameter
1738528260530.png

1738528270614.png
 

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