uxcell 99pcs Titanium Twist Drill Bit Set, 14 Sizes for Hardened Metal, Stainless Steel, Wood, with Case

uxcell 99pcs Titanium Twist Drill Bit Set 14 Sizes 1/17"- 37/94" Drilling Dia High Speed Steel Drills for Hardened Metal, Stainless Steel, Cast Iron, Wood, Plastic with Case

uxcell 99pcs Titanium Twist Drill Bit Set, 14 Sizes for Hardened Metal, Stainless Steel, Wood, with Case

Large and spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting and no glitches. The coating provides excellent corrosion resistance, greatly improves wear resistance and hardness, and reduces the coefficient of friction. Suitable for drilling metal materials such as stainless steel, alloy steel, tool steel, carbon steel, aluminum alloy, etc.. Suitable lubricant is conducive to cutting or cooling, making cutting easier, improving smoothness and dimensional accuracy. The longer the length of the tool clamped by the chuck, the better. If the clamping length is shorter, you need to lower the feed rate and cutting speed to reduce vibration and extend the tool life. Combined with the material to be processed, select an appropriate feed rate and cutting speed to improve the tool life and obtain better processing accuracy and performance.

Key Features

• ✅ 99pcs Drill Bits Include: 16pcs 1/17", 16pcs 7/89", 15pcs 6/61", 10pcs 11/93", 10pcs 12/95", 8pcs 14/99", 8pcs 14/89", 3pcs 4/79", 3pcs 13/66", 2pcs 21/97", 2pcs 17/72", 2pcs 11/43", 2pcs 23/73", 2pcs 37/94" drilling dia high-speed steel straight shank twist drills, can accommodate a wide range of drilling needs.
• ✅ Titanium Coated Surface: Made of high-speed steel with titanium nitride coating which can increase the hardness of the twist drill and reduces friction between the bit and the material being drilled. Suitable for use in both handheld drills and drill presses.
• ✅ High Hardness Drilling Performance: Suitable for hardened materials and hard metals, such as cast iron, malleable iron, aluminum, wood, plastic etc., and also suitable for soft materials. Great replacement for your dull drill bit to improve work efficiency.
• ✅ Well-Packed Drill Bit Set: The drill bit set is well-organized in a sturdy case with small store grids for each size of drill, easy to find out and store bits, case with handle is convenient to carry out.
• ✅ Note: Please add coolant when drilling continuously at high speed, the working life of the twist drill bits can be largely prolonged by proper usage

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