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Drill bit YATO YT-44871, single piece
YATO YT-44871 is a single-piece HSS drill bit intended for professional drilling in high-grade stainless steel, structural steel, INOX and cold-rolled steel. Supplied as one ready-to-install bit with a 1/4" HEX shank (6.3 mm), it fits standard drills and is suitable as a replacement or spare in workshops, construction sites and for home repairs.
The drill bit is made from a single piece of HSS 6542 steel, offering increased strength and durability while retaining drill geometry under load. A cross-blade split point with a 135° apex angle enables drilling without prior scoring and ensures precise centering. Ground surfaces and edges produced to DIN 338 standard provide accurate hole dimensions and consistent drilling precision. Rapid heat dissipation reduces the risk of overheating when working in hard steels, and a lower friction factor limits adhesion of swarf and filings to the cutting edges.
Secure the drill bit in a compatible 1/4" HEX chuck or adaptor. Select an appropriate drill speed and steady feed rate for the material being drilled—lower speeds and steady pressure are recommended for stainless and structural steels. Use cutting lubricant where applicable to improve heat dissipation and extend bit life. Withdraw periodically to clear chips and avoid clogging the flutes.
For best results when drilling stainless and hard steels, use cutting oil, moderate speeds, and avoid excessive axial force; this will preserve the bit's geometry and improve hole quality.
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