Posted 20 hours ago

JIS B4633 1/4" Hex Screw Driver Bits | Made in Japan (+1 +2 +3 X 75mm - 6 Pcs)

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Joined in 2023

About this deal

I already had a number of these but this kit keeps everything in one box, and displays the bits handily.

But most other manufacturers don’t display JIS anywhere (Vera, Wiha, and even Japanese Hozan, to name a few I looked into in great detail). If you look at fine "Philips" tips (at least with Wiha ones) you will recognize that they are shaped the "JIS" way. B) shows how Phillips has a very slight curve (2) – not really visible to the naked eye (exaggerated in the drawing), but it makes the difference when force is applied, “helping” the screwdriver slip out (and in).For example: skipping any area makes it next to impossible to understand the more complex stuff that leans on that. Then how can you tell if a Phillips is one that works well with JIS screws and doesn’t easily slip out of Phillips screws? Do you know of an official statement/document (other than the non-free ISO 8764 itself) from a standards body, well-known manufacturer of drivers/bits, or other reputable third-party that corroborates these facts? We don’t share your credit card details with third-party sellers, and we don’t sell your information to others.

It’s an impact screwdriver that can be “locked” to work as a striking screwdriver (my video explaining screwdriver types). Diese 1/4"-Schaftbits und Magnethalter sind ideal für die Verwendung mit Akkuschraubern mit Schnellspannfutter, Akkubohrmaschinen und Bithaltern.Designed for use on Japanese industrial Standard (JIS) fittings found on Japanese motorcycles and equipment where using standard PH bits would cause damage. As others have said, it's not ideal when you compare true JIS drivers and how they fit to others that are newer since the JIS standard was absorbed. JIS, or Japanese Industry Standard screws are just different enough in shape that Phillips drivers will not fit well and slip/strip them.

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