The Bosch Extra Hard Screwdriver Bits 3pcs are designed for universal screwdriving applications with compatible screwdrivers and drill drivers. Made from S2 modified steel with an optimized heat-treatment process, these bits provide extra-hard quality for dependable performance during regular fastening work.

Key Benefits

• S2 modified steel provides extra-hard quality and dependable durability
• Tapered torsion zone absorbs torque peaks, force, and vibration
• Extended 89 mm length helps reach recessed and difficult-to-access fasteners

Product Overview

The Bosch Extra Hard Screwdriver Bits are suitable for general installation, assembly, repair, and maintenance applications. Their optimized heat treatment improves hardness, while the tapered torsion zone helps reduce stress on the bit when sudden torque peaks occur.

Each selected variant contains three identical Phillips bits in PH1, PH2, or PH3 size. The 1/4-inch external hex shank provides a secure connection and efficient torque transmission in compatible three-jaw chucks and 1/4-inch internal hex tool holders.

Ideal Applications

• General screwdriving and fastening work
• Furniture assembly, installation, and maintenance
• Use with compatible screwdrivers and drill drivers

Technical Specifications

Available Variants & Pricing

Each part number contains three identical bits in the selected Phillips size. It is not a mixed PH1, PH2, and PH3 set.

Whats Included

• 3 Bosch Extra Hard Screwdriver Bits in the selected PH1, PH2, or PH3 size

Learn more about our Warranty Policy or contact us for professional assistance.