The DongCheng HD090690 21-Piece Screwdriver Bit Set is an all-in-one multi-drive fastening kit designed for power drills, cordless screwdrivers, impact drivers, and manual bit drivers. This set includes 20 precision-machined 1/4" (6.35x25mm) CR-V bits and 1 magnetic quick-change bit holder handle, organized in dual rubberized storage rails.

Forged from premium Chrome Vanadium (CR-V) alloy steel, these 25mm bits resist wear, chipping, and stripping under repeated use. The kit covers an extensive variety of drive profiles including Slotted (SL3–SL6), Phillips (PH0–PH3), Pozidriv (PZ1–PZ3), Hex (H2.5–H5), and Torx (T10–T30). Packed in a transparent slide blister pack, it is an essential set for technicians, installers, and home workshops.

Key Features

• Comprehensive 21-Piece Kit: Contains 20 PCS standard 1/4" hex (6.35x25mm) driver bits and 1 PC magnetic bit holder.
• Universal Drive Profiles: Complete coverage of Slotted, Phillips, Pozidriv, Metric Hex, and Torx star heads.
• Industrial CR-V Steel Construction: High-tensile alloy steel ensures maximum durability and prevents drive stripping.
• 1 PC Magnetic Bit Holder Handle: Provides strong magnetic retention for secure bit seating and fast bit swapping.
• Compact Storage Rails: Dual bit organizer strips keep every bit visible, organized, and easily accessible.
• Slide Blister Pack: Compact, protective packaging fits neatly into tool pouches, pockets, and toolboxes.

Applications

• Electronics assembly, appliance repairs, and precision consumer goods maintenance
• Furniture flat-pack assembly, cabinetry installation, and general carpentry
• Cordless drill and power screwdriver bit driving operations
• Automotive interior trim, sensor fasteners, and mechanical adjustments
• Everyday residential repairs and technician field service kits

Technical Specifications

Size/Model-wise Table

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