Ingco HKSDB0558 55 Pcs screwdriver bits set

Ingco HKSDB0558 is an Industrial-grade 55-piece screwdriver bits set designed for both standard driving applications and high-precision electronic repairs.

Set Composition & Included Components (55 Pieces Total)

• 2 × Ergonomic Handles:

  • 1 × $1/4″$ Ratchet Handle: Ergonomic soft-grip ratcheting handle for standard $1/4″$ bits and sockets.

  • 1 × Precision Screwdriver Handle: Soft-grip handle with a swivel cap for fine $4\text{ mm}$ micro-bits.

• 1 × Extension Bar: $4\times 60\text{ mm}$ precision extension holder.

• 1 × Bit Holder Adaptor: $1/4″ \times 60\text{ mm}$ magnetic extension bit holder.

• 21 × $6.35\times 25\text{ mm}$ Standard $1/4″$ Screwdriver Bits (Cr-V):

  • Slotted: SL3, SL4, SL5, SL6

  • Phillips: PH1, PH2, PH3

  • Pozidriv: PZ1, PZ2, PZ3

  • Torx: T10, T15, T20, T25, T30

  • Hex: H3, H4, H5, H6

• 20 × $4\times 28\text{ mm}$ Precision Micro Bits (Cr-V):

  • Slotted: SL1.5, SL2.0, SL2.5, SL3.0

  • Phillips: PH000, PH00, PH0, PH1

  • Torx: T4, T5, T6, T7, T8, T9

  • Hex: H0.9, H1.3, H1.5, H2.0

  • Pentalobe (Star): P2 (0.8), P5 (1.2)

• 7 × 1/4″ Socket Set: 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm

• 1 × Socket Adapter: 1/4″ hex to 1/4″ square drive adapter.

• 1 × Precision Adapter: 1/4″ to 4 mm precision bit adapter.

• 1 × Plastic Storage Case: Durable storage box with clear lid and designated slots.

Key Specifications & Features

• Model Number: HKSDB0558

• Material: Premium Chromium-Vanadium Steel (Cr-V), drop-forged and precision-machined for high strength and reduced wear.

• Dual-Function System: Bridges the gap between heavy-duty fastener driving and delicate precision work (smartphones, laptops, glasses).

• Magnetic Bit Retention: Ensures quick bit attachment and reliable screw-holding.

• Applications: Multi-purpose tool kit for field service technicians, mechanics, computer repair shops, and general household maintenance.