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Drill bit YATO YT-44879 — 1 pc
YATO YT-44879 is a single HSS drill bit supplied as one piece and intended for drilling in metals and general-purpose repair and maintenance. It is compatible with standard chucks and has a 1/4" hex (6.3 mm) shank for quick changes and secure grip. The bit is designed to deliver precise holes when working with high-grade stainless steel, structural steel, INOX and cold-rolled steel.
The drill bit is made from a single piece of high-speed steel (HSS 6542) to provide strength and durability while maintaining drilling geometry. A 135° split point ensures accurate centering and allows drilling without pre-scoring. The ground surface and edges conform to DIN 338 for consistent hole dimensions and high precision. The design dissipates heat efficiently to reduce the risk of burning when working with hard steels and lowers friction to reduce adhesion of swarf and filings.
Secure the YATO YT-44879 bit in a compatible drill chuck or quick-change holder using the 1/4" hex shank. Mark the drilling point and, if needed for alignment, use the split point to start drilling without pre-scoring. Apply steady pressure and appropriate drilling speed for the material being worked; use cutting fluid when drilling stainless or hard steels to improve cooling and prolong the bit life. Clear swarf periodically to maintain cutting efficiency.
Use appropriate personal protective equipment and clamp the workpiece securely. Select a lower drilling speed and cutting fluid when working with high-grade stainless or hard steels to reduce heat build-up and preserve the drill bit's geometry.
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