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Screwdriver bit YATO YT-04345 — 12-spline flange M14, 55 mm, 1 pc, 1/2" shank
YATO YT-04345 is a single screwdriver bit with a 12-spline flange tip designed for use with M14 fasteners. The bit has a working length of 55 mm and a 1/2" drive shank compatible with standard 1/2" sockets and impact adapters. Manufactured from chromium-vanadium steel, this single-piece bit is intended for assembly, maintenance and repair tasks where a 12-spline flange engagement is required.
The 12-spline flange profile provides positive engagement with M14 flange fasteners, reducing the risk of cam-out and improving torque transfer. Heat-treated chromium-vanadium steel construction offers a balance of hardness and toughness for repeated use. The 55 mm length gives sufficient reach in recessed applications while the 1/2" shank ensures compatibility with a wide range of hand and power drive tools.
Insert the 1/2" shank into a compatible socket, adapter or drive tool until it seats securely. Align the 12-spline flange tip with the matching M14 flange fastener and apply steady torque using a manual ratchet, breaker bar or appropriate power tool, observing the fastener manufacturer's torque specifications. Inspect the bit and fastener engagement during use to ensure correct seating and minimize wear.
For prolonged life, avoid excessive side loading and use the bit within recommended torque limits. Clean and inspect the tip after use, and replace the bit if the spline profile shows rounding or deforming. Use appropriate personal protective equipment when operating power tools.
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