Frequently Asked Questions

General

What is a JIS screwdriver?
A JIS (Japanese Industrial Standard) screwdriver is designed for screws commonly used in Japanese products. It fits JIS screws perfectly, preventing cam-out and damage.
Can I use a Phillips screwdriver on JIS screws?
While similar, Phillips screwdrivers do not fit JIS screws perfectly and can cause stripping. It’s best to use a true JIS screwdriver for Japanese products.
Where can I buy JIS screwdrivers?
JIS screwdrivers are available from online retailers like Amazon, eBay, and specialty tool shops. See our JIS category for recommendations.
Are JIS screwdrivers compatible with Phillips screws?
JIS screwdrivers can often be used on Phillips screws, but the fit may not be perfect. For best results, use the correct standard for each screw.
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Brands & Types

What are the most popular Japanese screwdriver brands?
Popular Japanese brands include Vessel, Anex, and Hozan. These brands are known for their quality, precision, and innovation in hand tools.
How do I identify a JIS screw?
JIS screws often have a small dot or dimple next to the cross slot on the screw head. They are commonly found in Japanese motorcycles, electronics, and cameras.
Can I use JIS bits in a standard screwdriver handle?
Yes, most JIS bits are designed to fit standard 1/4" hex bit drivers and handles, making them compatible with many common tools.
What is the difference between JIS and Phillips screws?
JIS screws and drivers are engineered for a tighter fit and less cam-out than Phillips. Using the correct driver prevents damage and ensures proper torque.
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Specialty & Bit Types

What is a Pozidriv screwdriver?
Pozidriv is a screw drive type developed to provide better torque and reduced cam-out compared to Phillips. It is common in European and some Japanese products. Pozidriv drivers are not fully compatible with Phillips or JIS screws.
What are Torx and Hex drivers used for?
Torx (star-shaped) and Hex (Allen) drivers are used for high-torque applications and are common in bicycles, electronics, and machinery. Japanese products sometimes use these for specialized assemblies.
What is an offset screwdriver?
An offset screwdriver has a handle set at an angle to the blade, allowing access to screws in tight spaces. They are especially useful in automotive and electronics repair.
What are precision screwdrivers?
Precision screwdrivers are small drivers designed for delicate work on electronics, cameras, and watches. Japanese precision drivers are known for their accuracy and quality.
Are Japanese bits compatible with other tools?
Most Japanese screwdriver bits use standard 1/4" hex shanks, making them compatible with many global bit drivers and power tools. Always check the bit and tool specifications for compatibility.
Can I use specialty bits in power tools?
Yes, as long as the bit shank fits your power tool's chuck or bit holder. Be mindful of torque settings and bit quality to avoid damage.
What is a DTC (Dot-Type Clutch) screw?
DTC screws are a rare Japanese type found in vintage machinery. They require a matching DTC bit for proper engagement and are not compatible with Phillips or JIS drivers.
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Yes, some links on this site are affiliate links. Purchases made through them help support the site at no extra cost to you.
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Maintenance & Tool Care

How do I care for my Japanese screwdrivers?
Keep screwdrivers clean and dry to prevent rust. Store them in a case or rack, and avoid using them as prying tools. Occasionally oil the shaft and check for wear.
How do I prevent cam-out and stripping?
Always use the correct size and type of driver for the screw. Apply steady pressure and keep the driver aligned with the screw axis. Replace worn drivers promptly.
Can I sharpen screwdriver tips?
It is not recommended to sharpen precision or specialty screwdriver tips, as this can alter their fit and damage the temper. Replace worn tools for best results.
How do I remove a stripped Japanese screw?
Use a screw extractor or a rubber band for extra grip. If possible, use a properly fitting JIS or specialty driver, and apply gentle tapping to help loosen stuck screws.
How do I store bits and drivers for longevity?
Store bits in a dry, organized case. Avoid leaving them in humid environments or loose in toolboxes where they can get damaged or lost.
Where can I learn more about specialty Japanese screwdriver types?
See our Specialty and Precision categories for details on rare and unique Japanese screwdriver types.

Shopping & Site Usage

How do I choose the right screwdriver for my project?
Identify the screw type and size before selecting a driver. Consult our product and category pages for recommendations on the best tool for your application.
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You can support us by using affiliate links when making purchases, sharing the site with others, and providing feedback or suggestions via our contact page.
Can I request a review or suggest a product?
Yes! Please use our contact form to suggest products or request reviews of specific Japanese tools or brands.
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Do you ship tools directly?
No, we do not sell or ship tools directly. All purchases are made through third-party retailers linked on our site.