Specification Brand : BORDSTRACT BulletPoint1 : Exceptional Durability with High-Quality Alloy Steel Construction: This 15-piece tap and drill bit set is crafted from erior alloy steel, ensuring exceptional hardness, wear resistance, and long-lasting durability. This robust construction allows the set to withstand demanding applications and consistently deliver performance for all your metalworking needs. BulletPoint2 : Comprehensive 15-Piece Set for Versatile Metalworking Applications: Tackle a wide range of projects with this comprehensive set that includes 15 essential tools. You'll find seven screw taps in sizes M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5, and M12x1.75, along with seven corresponding drill bits in sizes 2.5mm, 3.3mm, 4.2mm, 5mm, 6.8mm, 8.5mm, and 10.2mm, all conveniently paired for your convenience. BulletPoint3 : Effortless Drilling and Threading in Various ls: Designed for efficiency and ease of use, this set makes drilling and tapping a breeze. The sharp, incisive cuing edges of the twist drill bits effortlessly create clean pilot holes in a variety of ls, including wood, metal, and plastic, while the precisely machined screw taps ensure smooth and accurate thread cuing. BulletPoint4 : Incisive Twist Drill Bits for Efficient Performance: Experience erior drilling performance with the included twist drill bits. Their aggressive cuing design and optimized te geometry facilitate rapid chip removal, minimize heat buildup, and reduce drilling resistance, making the entire process smoother and more efficient. BulletPoint5 : Essential Toolset for Metalworking Professionals and Enthusiasts: This 15-piece tap and drill bit set is an indispensable addition to any workshop, catering to the needs of both professional machinists and dedicated hobbyists. Whether you're working on intricate metal fabrication projects or tackling everyday repairs, this set provides the essential tools for creating precise threads and achieving professional-quality results. ItemName : BORDSTRACT 15Pcs Alloy Steel Tap Wrench Screw Taps Twist Drill Bit Set, Metal Processing Tools, Cutting Drill Bit Woodworking Tools for Wood Metal Plastic Hole ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 11 centimeters ItemTypeKeyword : extra-long-drill-bits Manufacturer : BORDSTRACT ModelName : BORDSTRACTnvgz0a6s3b ModelNumber : BORDSTRACTnvgz0a6s3b NumberOfItems : 1 NumberOfPieces : 5 PartNumber : BORDSTRACTnvgz0a6s3b ProductDescription : Specification: Condition: Brand New l: Alloy Steel Tap Wrench Model: M3-M12 Screw Taps Model: M3X0.5, M4X0.7, M5V0.8, M6X1, M8X1.25, M10X1.5, M12X1.75 Drills Model: 2.5, 3.3, 4.2, 5, 6.8, 8.5, 10.2 Weight: Approx. 620g / 21.9oz Box Size: Approx. 152 * 108mm / 6.0 * 4.3in