MaAnt MY-903 Precision Screwdriver - Convex-Cross 2.5 Tip

Description

The MaAnt MY-903 precision screwdriver with a Convex-Cross 2.5 tip is an essential industrial-grade tool for electronic micro-maintenance. This specific format, characterized by a cross-shaped tip with a convex center (raised), is mainly used in the internal architecture of high-end smartphones to manipulate "Standoff" screws. These screws play a dual role: they secure the motherboard to the chassis while providing an internal thread for a second fixing screw. Without this dedicated tool, extracting these components is risky and can compromise the integrity of the motherboard.

The technical design of the MY-903 series is based on the use of S2 alloy steel, heat-treated to achieve a hardness greater than 60 HRC. This high mechanical resistance ensures increased longevity of the tip and optimal torque transmission without slippage. The handle is made of CNC-machined aeronautical aluminum alloy, guaranteeing an ergonomic grip and reduced weight to minimize fatigue during extended disassembly sessions. The gray anodized finish provides additional protection against corrosion and chemical wear related to workshop solvents.

The handling comfort is enhanced by a rotating head mounted on a high-precision axis. This system allows for applying constant vertical pressure with the palm of the hand while making rapid rotations with the fingers, ensuring perfectly controlled screwing. The non-slip knurling on the screwdriver body allows for millimeter precision, essential to avoid accidental contact with the SMD (Surface Mounted Devices) components surrounding the screw wells.

Technical Specifications

• Material: S2 alloy steel tip and aeronautical aluminum body
• Dimensions: Length 125 mm
• Weight: 25 grams
• Tip Type: Convex-Cross 2.5 mm (Convex Cross / Philips with nipple)
• Finish: Antioxidant coating and CNC machining
• Rotation: 360° rotating cap on precision bearing

Workshop Advice & Usage

Using the Convex-Cross 2.5 requires moderate axial pressure to properly engage the central nipple before turning. We recommend regularly checking the condition of your tool tip: if the fins start to dull, replace it to avoid jamming a screw on a customer's motherboard. This screwdriver is a precision tool and should never be used as a lever or to force on screws seized by significant corrosion. Clean the tip after each intervention to remove any metal debris captured by the magnet.