A coolant should always be used when drilling with TCT twist drill bits. Irwin suggest the use of a 3- 6% emulsion. This is a quality item for a very good price. PRODUCT DETAILS.
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Multi-Size Range: Includes 4-12mm step drill and 8-20mm countersink for versatile hole sizing. Hex Shank : Features a secure grip for stable drilling performance with various materials. High-Speed Steel: Made of HSS4241 for efficient cutting and heat resistance during prolonged work.
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Easy to install and use, just connect to an ordinary hand drill. Low cutting resistance, increased drilling, easy chip removal. 1 Hexagonal shank multi-tooth flat for wing drill. Neat and smooth drilling without broken edges or vibration.
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High-Speed Steel: Made of HSS4241 for efficient cutting and heat resistance during prolonged work. Multi-Size Range: Includes 4-12mm step drill and 8-20mm countersink for versatile hole sizing. Hex Shank : Features a secure grip for stable drilling performance with various materials.
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Straight Shank Compatibility: Featuring a straight shank, this drill is compatible with most standard drill chucks, providing ease of use and versatility in different woodworking applications. Versatile Size Options: This woodworking drill is available in a range of sizes including 4mm, 5mm, 6mm, 8mm, 10mm, and 12mm, making it suitable for various drilling needs in wood projects.
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Quantity: 100PCS. For for Construction: Crafted from high-speed steel (HSS) and coated with gold, our drill bits are designed for exceptional resistance and longevity, they outperform standard options available on the market.
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Unique 3 Sided Shank: Compared with traditional drills, spiral step drills are nearly impossible to buckle. 1 x Spiral Stepped Drill Bit. Robust High Speed Steel Structure: The spiral step drill bit with strong high speed steel structure is adopted to improve durability.
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Suitable for manicure, pedicure etc. Ceramic Nail Bit Features Many uses:Can also be used for wiping away nail gel. Ceramic is constituted by silicate, which is stable chemical properties. So our drill bit can resist acid, alkali and other caustic material.
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