China Screwdriver Manufacturer Screwdriver Factory, Adjustable Torque Screwdriver Set BST-9908

Master every micro-repair with the BST-9908—a screwdriver that lets you fine-tune torque on the fly. Engineered for smartphones, drones, and precision instruments, its 0.3–0.55kgf·cm adjustable range prevents over-tightening with audible feedback and auto-idling. No more stripped screws or cracked components!

Rotate the dial to set exact torque: 0.3kgf·cm (Level 1) to 0.55kgf·cm (Level 5).

Audible Click + Instant Idling: Stops driving when preset torque is exceeded—saves fragile devices.

S2 Steel Bits (Magnetic & Anti-Slip)

Screwdriver bits: Y0.6 ，+1.5 ，T2 ，★0.8 ，Pin-head 2.5(40mm length).

Hardened tips resist wear and grip screws securely.

Ergonomic Excellence

360° Rotating Tail Cap: Spin screws seamlessly without repositioning.

Textured Anti-Slip Handle: Comfortable control for intricate, prolonged tasks.

Ideal For:

iPhone/MacBook Repairs ⋅ Watchmaking ⋅ PCB Rework ⋅ Drone Maintenance ⋅ Medical Device Techs

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