The Best #30 Drill Bit of 2023 – Reviewed and Top Rated
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- High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
- For use in wood, metal, stainless and other hard metal drilling
- 135° split point tip prevents drill from "walking"
- Combination of hardness and toughness for wear resistance
- Black and gold drills are manufactured from premium grade high speed steel
- Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
- Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
- Round shanks allow use with a wide variety of toolholding systems
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- Ideal for drilling in tough, high tensile strength materials
- 【10PCS #30 Cobalt Drill Bits】10PCS - #30(Drilling Diameter) x5/8"(Flute Length)x2"(Overall Length) Metal Drill Bits. This drill bit fits the majority of power drill currently on the market.
- 【M35 Cobalt High Speed Steel】Industry grade M35 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. These drill bits also contain 5% Cobalt, which increases wear-resistance and durability.
- 【Fully Ground Process & 135° Split Point】Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135° split point with straight shank prevents walking and makes drilling precise and faster. No center punch is needed.
- 【Multiple Application】Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals. Pay attention to speed, pressure and heat control during drilling.
- 【90 Days Warranty】If you are not fully satisfied for any reason, please contact us for 100% refund or replacement.
- High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
- Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
- Round shanks allow use with a wide variety of tool holding systems
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- Manufactured to national aerospace standard 907
- [1]: APPLY TO - The drill bit is suitable for daily equipment maintenance and repair, low-intensity applications, and medium to low-hardness metals, including thin stainless steel, steel, aluminum alloy, and copper. It is also effective for drilling wood and plastic materials, making it an excellent choice for various DIY projects around the home.
- [2]: SPECIFICATION - The drill bit has a cutting diameter of #30 (3.264mm/0.1285inch), a shank diameter of , a flute length of 35mm/1.38 inch, an overall length of 65mm/2.56 inch, and a 135° split point tip.
- [3]: INSTRUCTION - Set the suitable speed according to the material's hardness and the drill bit diameter. Higher speeds can be used for softer materials, while lower speeds should be applied for harder materials. Please refer to the details provided on the product page.
- [4]: ADVANTAGE - The 4341 high-speed steel material has high hardness, good wear resistance, and toughness, enabling it to withstand significant impact without easily breaking. Gold Finish can further enhance the drill bit's wear and corrosion resistance, thereby extending its service life.
- [5]: QUANTITY INCLUDED - Set contains 5pcs x #30 twist drill bits, perfect for home use, repairs, and small manufacturing projects. (Notice: it is recommended to drilling a small guide hole before drill a larger hole)
Last update on 2025-07-09 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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