WIHA Insulated Screwdriver Blade: Slotted Head, Insulated Screwdriver Blade
The WIHA Insulated Screwdriver Blade is a slotted-head insulated driver bit with a 4.0 mm tip size. It features a hex shank and is constructed from steel. This standard metric blade is manufactured by WIHA under part…
SKU 3G-OTH-291530
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Product Description
The WIHA Insulated Screwdriver Blade is a slotted-head insulated driver bit with a 4.0 mm tip size. It features a hex shank and is constructed from steel. This standard metric blade is manufactured by WIHA under part number 28427.
Frequently Asked Questions
What is the WIHA Insulated Screwdriver Blade used for?
The WIHA Insulated Screwdriver Blade is used for working on live electrical circuits up to 1,000 V AC. It is designed for electricians and maintenance technicians who need a slotted-head driver bit with a 4.0 mm tip size for precise, safe fastening in control panels and junction boxes.
What are the specifications of the WIHA Insulated Screwdriver Blade 28427?
The WIHA Insulated Screwdriver Blade (MPN 28427) has a 4.0 mm slotted tip, a hex shank, and a standard metric profile. It is made of steel and is classified as an insulated driver bit. The blade is designed for use with compatible handles or power tools in electrical work.
Where to buy the WIHA Insulated Screwdriver Blade worldwide?
You can source the WIHA Insulated Screwdriver Blade worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this WIHA part number 28427.
How to select the correct WIHA Insulated Screwdriver Blade?
To select the correct WIHA Insulated Screwdriver Blade, match the tip size (4.0 mm) and drive type (slotted) to your fastener. Confirm the shank shape (hex) fits your handle or tool. For electrical safety, ensure the blade is rated for the voltage level you are working on. WIHA blades are designed for live-circuit use.
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3G Electric supplies WIHA insulated driver bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















