![]() ![]() COMOWARE Step Drill Bit Set – Best Step Drill Bit for Metal While this set isn’t specifically designed for hardened steel, the durability of the Titanium Nitride coating and the advantageous 135-degree cutting angle makes it a strong choice for working with regular metal and hardened steel. Their 30-day money-back guarantee provides extra assurance of the quality of their products. Importantly, these bits have a cutting angle of 135 degrees, an ideal design for hardened steel, as it reduces drilling force and prevents bit ‘wandering’.ĭEWALT is a reputable industry brand known for producing durable and reliable tools. The set features a straight shank design, compatible with most drills, and the bits come in various sizes, ranging from 1/16 inch up to 1/2 inch, ensuring versatility for different drilling needs. The bits are coated with Titanium Nitride, a finish that significantly enhances hardness and longevity, allowing for smooth, efficient cutting even through tough materials. The DEWALT DW1354 14-Piece Drill Bit Set is an optimal choice for drilling metal and hardened steel. DEWALT DW1354 – Best 14PC SET for Hardened Steel We have included various drill bits that we are confident will be a drill through even the hardest metal: 1. Some bits are designed to handle heat or work with certain coolants.Īlways use the correct drill speed and pressure to prevent overheating or breakage.
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