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header-product Socket bit Wera 4 mm 3/8 inch 05004900001 for 3/8" drive

Socket bit Wera 4 mm 3/8 inch 05004900001 for 3/8" drive

Wera Socket Bit 4 mm 3/8" 05004900001 Photo 1
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Short description

Wera socket bit 05004900001 is a 4 mm bit designed for use with 3/8" drive tools. It provides a precise fit for fasteners requiring a 4 mm socket and is intended for assembly, maintenance and repair tasks where a 3/8" drive is used. Compact and durable, it suits professional and DIY applications when matching drive and bit size are required.
Warranty: 2 Years
SKU: 3785807
Manufacturer: Wera
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Product information

Description

Wera 05004900001 socket bit 4 mm for 3/8" drive is a single-piece insert designed to fit fasteners that require a 4 mm socket. Manufactured by Wera for use with 3/8" drive tools, this compact bit is intended for assembly, maintenance and repair tasks where precise fit and compatibility with a 3/8" drive are needed.

Advantages

The Wera 4 mm socket bit provides accurate engagement with 4 mm fasteners and is made to fit 3/8" drive tools, ensuring reliable torque transfer. Its compact single-piece design simplifies storage and use with standard 3/8" sockets and adapters. The bit is suitable for repeated use in professional and DIY environments when the correct drive-to-bit combination is required.

Suitable for

  • Assembly of small machinery and components
  • Maintenance and repair tasks using 3/8" drive tools
  • Workshops and home DIY projects requiring a 4 mm socket

Key specifications

  • Manufacturer: Wera
  • Model / MPN: 05004900001
  • Type: Socket bit insert
  • Size: 4 mm
  • Drive: 3/8" (square drive)
  • Quantity: 1 piece
  • EAN: 4013288210135

How to use

Insert the 4 mm socket bit into a compatible 3/8" drive ratchet, extension or adapter. Position the bit on the fastener head and apply steady torque appropriate for the fastener material and specification. Check fit before applying high torque to avoid rounding the fastener. After use, store the bit in a suitable holder or toolbox to prevent loss and damage.

Usage recommendations

Use this Wera socket bit only with compatible 3/8" drive tools and appropriate fasteners. Match bit size to the fastener to reduce wear and risk of damage; avoid excessive force beyond the tool and fastener specifications.

Description

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Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Wera products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Wera service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.