Introduction
Le choix du bon embout de tournevis peut être décisif pour le succès d'une réparation électronique ou autre. Suivez les conseils de ce tuto iFixit pour identifier correctement vos embouts de tournevis de précision et éviter de faire un malheur avec vos vis.
Si vous rencontrez toujours des problèmes avec vos vis après avoir lu ces informations, consultez ce super tutoriel pour lire quelques conseils au sujet de la manipulation des tournevis.
Ce dont vous avez besoin
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Les embouts de nos kits de tournevis iFixit ont des préfixes gravés qui indiquent le type de tête. Ces préfixes sont généralement suivis d'un nombre qui indique la taille de la vis. Par exemple :
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PH2 - (Phillips #2) Un gros embout cruciforme.
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PH0 - (Phillips #0) Un embout cruciforme moyen.
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PH000 - (Phillips #000) Un petit embout cruciforme.
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Si vous vous creusez la tête pour identifier les embouts de votre kit outils ou tournevis de précision, n'hésitez pas à utiliser cette liste de référence.
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La forme physique de chaque embout est suivie de son nom propre.
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Taille des embouts.
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Si aucun préfixe n'est gravé sur votre embout, indiquez simplement le nom propre complet et la taille de votre embout quand vous rédigez un tuto sur iFixit. (Par exemple : "Utilisez un embout à tête plate de 1,5 mm pour retirer les deux vis de 5 mm du boîtier.")
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Outil utilisé dans cette étape :Phillips #1 Screwdriver$5.49
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Les embouts avec le préfixe "J" et "PH" sont souvent considérés comme étant le même embout. Ne vous laissez pas tromper par leur apparence similaire, ils sont très différents.
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Les vis cruciformes (PH) sont conçues pour glisser (l'effet de ripage ou cam-out) si un couple de serrage trop important est appliqué. Cela permet d'éviter d'endommager les vis, le tournevis et les embouts.
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Les vis Japanese Industrial Standard (J) ne glissent pas et la croix de l'empreinte forme des angles de 90 degrés.
which is which? why not tag each with a label?
Japanese Industrial Standard (J) screws do not provide a cam-out option, and have 90 degree corners
Oscar -
Hiya, Alberto! Great question. Smaller screws found in electronics aren’t particularly durable, and using a Phillips screwdriver on a Japanese Industrial Standard screw head (or vice versa) can lead to some pretty major problems. I highly recommend using the proper screwdriver or bit to avoid stripping screws.
Richard -
Which one should I get in America for iPhone and laptop type repairs , PH or J?
According to JIS and ISO standard, both recess dimension seem to be the same, having a rounded corner between two flats. I think, the recess without rounded corners (as right drawing) is a recess of CIPA (older JCIS) standard. According to CIPA, the edge between two flats is R0.06mm rounded shape, which seems to be neary sharp edge. Anyway, CIPA is a Japanese Standard and used mainly for the screws of Japanese electrical instruments.
I have two Phillips heads, one is labelled PH.2, the other labeled SH.0.
The second one has a very snub nose, which is what I need for the screws I need to work on. The more pointed PH one is too loose as the point doesn't allow it to fully seat into the screw head.
A seemingly identical snub-nosed one from another set is labelled: CR-V3#, and another seeming clone as ACR-2..
I'm having a bit of confusion on how to buy another screw bit like I need.
I have the small screwdriver kit you make. (Forgot the name) There are J1 and PH1 drivers. However, apart from the stamped label, those two especially are identical. The J1 is as rounded as the PH1 and all angles and lengths are the same. (I looked closely with a good magnifying glass.)
There is a very visible difference between J0 and PH0. So I assume either my PH1 or my J1 has a manufacturing error.
Hi @glitchglitch, email support@ifixit.com to open a ticket.
Happy fixing!
Great guide, but i have a question about some other bits.
Is there a difference between the "Tri-wing" and "Tri-Point" there are two bits available at the store both designated "Y0" or are they interchangeable
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Une fois que vous avez choisi le bon embout de tournevis de précision, retournez au tuto iFixit et continuez votre réparation téléphone, électroménager, voiture ou autre !
Une fois que vous avez choisi le bon embout de tournevis de précision, retournez au tuto iFixit et continuez votre réparation téléphone, électroménager, voiture ou autre !
Annulation : je n'ai pas terminé ce tutoriel.
167 autres ont terminé cette réparation.
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24 commentaires
Excellent guide. could not figure out the difference by looking.
It would be clearer if the displayed drawing of each bit actually said J-bit or PH-bit, and because both have 90 degree corners, maybe change the J-bit description to “have 90 degree square inside corners“ and include in the PH description “have 90 degree rounded inside corners.
Otherwise, with interpretation, your article helped me.
what size hex shaft do these smaller bits have?. i have an electric precision screw driver, for electronics. i go through the PH1 bits very quickly. i can NOT find them for sale anywhere on earth. does anybody know where to purchase these things?? and/or tell me how i should word the query. all im getting is 1/4 hex shaft results. very frustrating
4mm bit size
Ifixit warranty covers replacement bits
Just message their support email
Ash -
In the picture on the top of the page the bits with a 90° corner are marked as Phillips heads, the ones with the rounded corners are markes as JIS heads. But it seems to be the other way, as mentioned in Step 3 of this instruction, and also according to other pages like https://eustore.ifixit.com/products/phil...
Sharp eye, Andreas! Thanks for catching that. We’ve updated the image at the top of the guide with the correct labels.
Right on the money there! 👍
i have just bought an ifixit kit, has some ph and j bits. I’ve looked at them under a microscope, compared angles, tried them on screws... i have found no difference whatsoever, they seem to be identical. What gives?
Hi @deepsoic, that’s a pretty interesting find you’ve made! Send an email over to our customer service team at support@ifixit.com and they’ll help you get this issue sorted.
The label indicating the drivers on the Mako 64-bit driver set is almost impossible to read (embossed black-on-black). You can print a better one from the diagram on the catalog page. See https://twitter.com/isonno/status/146455...
I got this set as a gift and I’m very disappointed it doesn’t include larger Phillips head bits. The largest in this set is too small for a lot of the screwheads on my electronics, especially since I’ve never seen some of these screwheads in my entire life. Do you have any larger Phillips bits for sale?
Probeer de volgende link eens: https://shop4fasteners.co.uk/blog/pozidr...
Misschien wordt het dan duidelijker.
I think the English information about jis may be wrong and outdated. I google Japanese,旧JISネジ vs iso ，Statement from Vessel,ねじにある丸い刻印「ISOマーク」 "point"screws are rare in Japan now. "point"means new jis/ISO(only M3/4/5) ， "no point" is old jis in japan in 1960'， The difference is the "screw pitch". and new JIS B 4633 screws also no point. only ISO 8764. You can test pb/wiha/wera/vessle with your jis screw, it won't make a difference.
What are philips #1,2 & 3 sizes? Are they different in thickness? Can Philips #1 Screwdriver be used on any Phillips screws?
A Phillips screwdriver has a head with pointed edges in the shape of a cross, which fits neatly into the cross slots of a Phillips screw. Phillips screwdrivers are available in five different sizes, from zero to four. If you don’t use the right size, you can easily strip a Phillips screw, making it difficult to remove.
Das sagt mir nicht welcher BIt für Kreutzschlitz 2,2- 3,5 mm ich benötige. Für mich völlig wertlos. Wird jetzt ein 000.00,0,oder 1,2, gebraucht?
I need to buy individual replacement screwdriver bits like I used to without buying the whole thing again.
Not only is the information superb, it's provided in a dynamic and well laid out manner
I've lost the "Magnetic Pickup Bit" for my iFixit Mako Precision bit set. The replacement part is out of stock, any idea when it's likely to be back in stock please?
