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header-product Screwdriver Bit Wera 851/4 Z SB

Screwdriver Bit Wera 851/4 Z SB

Screwdriver Bit Wera 851/4 Z SB Photo 1
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Short description

The Wera 851/4 Z SB screwdriver bit is a high-quality Phillips PH 1 bit with a length of 152 mm. It features a hexagonal shank size of 25.4 mm (1/4 inch), ensuring a secure fit in your screwdriver. Packaged in a blister, this bit is ideal for precision work and durability, making it a reliable choice for both professionals and DIY enthusiasts.
Warranty: 2 Years
SKU: 3898655
Manufacturer: Wera
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Product information

Description

The Wera 851/4 Z SB screwdriver bit is a precision Phillips PH 1 bit with a length of 152 mm and a 1/4 inch (25.4 mm) hexagonal shank. Designed to provide a stable connection with standard bit holders and screwdrivers, this bit is suited for tasks requiring reach and control. Supplied in a blister pack, it combines measured length and a common shank size for compatibility across many hand tools and bit holders.

Advantages

The extended 152 mm length allows for access to recessed or hard-to-reach screws while maintaining torque transfer through the hexagonal shank. The Phillips PH 1 profile offers accurate engagement with matching screw heads to reduce cam-out. The 1/4 inch hex shank ensures a secure fit in quick-change holders and manual drivers, and the blister packaging protects the bit during storage and transport.

Suitable for

  • Assembly and disassembly of electronic devices and small appliances
  • Maintenance tasks where screw heads are recessed or in narrow spaces
  • General carpentry and furniture assembly requiring a PH 1 driver
  • Workshop use with quick-change bit holders and manual screwdrivers

Key specifications

  • Tip profile: Phillips PH 1
  • Overall bit length: 152 mm
  • Shank type: hexagonal
  • Shank size: 1/4 inch (25.4 mm)
  • Packaging: blister

How to use

Insert the 1/4 inch hex shank into a compatible bit holder or screwdriver chuck until it clicks or seats firmly. Choose screws with a matching Phillips PH 1 recess to ensure proper engagement. Apply steady, axial pressure while turning to maintain contact between the bit tip and the screw head. Use the extended length to reach screws positioned deep inside assemblies, taking care to keep the tool aligned to avoid slipping or damaging the fastener.

Usage recommendations

Inspect the bit tip for wear before use and replace it if the edges are rounded or stripped. For high-torque applications, consider using an appropriately rated bit or a manual driver designed for increased torque. Store the bit in its blister or a dedicated bit holder to protect the tip and maintain dimensional accuracy.

All features
Certification:
DIN ISO 1173-F 6,3
Length: The measurement or extent of something from end to end.
152 mm
Package type: The type of product package e.g. box.
Blister
Number of bits: The quantity of screwdriver bits, which are the tips of the screwdriver which turn the screw, and come in various sizes and two main forms (flat and crosshead).
1 pc(s)
Screwdrivers/bits tips included: The product includes screwdrivers and screwdriver bits (the tips of the screwdriver which connects to the screw).
Phillips
Shank:
Yes
Shank size:
25.4 / 4
Shank shape:
Hexagonal
Phillips screwdriver bits:
PH 1

Description

Machine translation. Load original

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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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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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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.