What is JIS screwdriver?
JIS, or Japanese Industry Standard screws are just different enough in shape that Phillips drivers will not fit well and slip/strip them. The difference is in the leading angle of the point of the driver. Phillips bits have a larger angle and therefore don’t bottom out in the JIS screws, causing slippage.
What is a crosspoint screwdriver?
A cross or double-slot screw drive has two slots, oriented perpendicular to each other, in the fastener head; a slotted screwdriver is still used to drive just one of the slots.
Do motorcycles still use JIS screws?
Nowadays, hex-head fasteners have replaced JIS screws in most applications, but you’ll still find them on vintage bikes and the occasional modern machine. If you’re tired of butchering screws, you can always pick up the correct tool from Motion Pro.
Do Japanese motorcycles still use JIS?
Yes, Yamaha is still using JIS screws.
Where are JIS screws used?
An initialism for Japanese Industrial Standard, JIS screws are commonly used in electronics, as well as other products, that are manufactured in Japan. Unless you’re familiar with this alternative type of screw, though, you might be wondering how they differ from Phillips head screws.
When did Japan stop using JIS screws?
2008
I explained how JIS was discontinued as a standard in 2008, so now there is only ISO 8764.
Do Yamaha use JIS screws?
Can a Phillips screwdriver be used in a JIS cross point screw?
A Phillips screwdriver can be partially inserted into a JIS cross point screw. Contact will only be made with the center part of the screw. If the screw does not come loose, the screwdriver will cam-out. With a limited amount of surface contact, and on the weakest part of the screw head, they will easily become stripped.
How to identify JIS screws?
Some JIS screws can be identified by a single dot or dimple on the head of the screw. However, if the screw doesn’t have a marking, then it’s very difficult to identify one from the other. That’s why it is important to choose the correct screwdriver for the job.
What is a Japanese cross-point driver?
The Japanese cross-point drivers also have the self-centering and quick tool and screw engagement, however the “JIS” (Japanese Industrial Standard) design allowed torque and over-tightening to be controlled by the operator and not at the head of the screw.
Why does my camera have a JIS cross point screw hole?
For cameras, lenses, and other products made in Japan, the cause is from using a Phillips screwdriver on a JIS cross point screw. (Japanese Industrial Standards)