Screwdriver bit set TOYA Sthor 66310, drive size 1/4", 56 pcs

TOYA Sthor 66310 screwdriver bit set with 1/4" drive size contains 56 pieces intended for a wide range of fastening tasks. The set includes multiple common bit types and sizes compatible with hand drivers and power screwdrivers that accept a 1/4" chuck. Designed for general assembly, repair and maintenance work at home, in workshops and in professional environments, the kit offers a compact selection of bits for tightening and loosening screws in confined or hard-to-reach locations.

Advantages

The set groups 56 bits in one compact kit to reduce the need for single replacement bits and to speed up task switching. Bits are made of chrome-vanadium (CRV) steel for everyday durability and resistance to wear under normal use. Compatibility with 1/4" driven tool interfaces makes the set suitable for a broad range of manual and powered screwdrivers, improving flexibility on different jobs without the need for adapters.

Suitable for

• General home repair and DIY projects
• Workshop assembly and maintenance tasks
• Automotive service and car maintenance
• Electronics and appliance servicing where small bits are required

Key specifications

• Total pieces: 56 bits
• Drive size: 1/4" (compatible with 1/4" chucks and bit holders)
• Material: chrome-vanadium (CRV) steel
• Included tip types: flat (slotted), Phillips (PH), Pozidriv (PZ), Torx, hexagonal (internal hex), square (Robertson)
• Intended use: manual and powered screwdrivers with 1/4" interface

How to use

Select the appropriate bit by matching the tip shape and size to the screw head to ensure proper engagement. Insert the bit into a 1/4" bit holder, chuck or screwdriver compatible with 1/4" drive, secure it, and apply steady torque while turning. For powered tools, set an appropriate speed and torque limit to avoid cam-out or damage to the screw head. After use, store bits back in their case or organizer to keep the set complete and protect tips from corrosion and mechanical damage.

Usage recommendations

Use the correct tip type and size to prevent rounding of screw heads. For high-torque applications, use short bit lengths and ensure the bit is firmly seated in the screw recess. Keep bits dry and clean; inspect tips periodically for wear and replace worn bits to maintain safe and effective fastening.