2 Pieces Countersink Drill Bit Set, 7 Flute 82 Degrees High Speed Steel Countersink Bits, 1/4 Inch QuickChange Hex Shank for Metal, Wood, Stainless Steel, Carbon Steel

• 【Durability】Countersink bits are crafted from high-carbon steel, a material renowned for significantly contributing to their long service life; This material choice ensures the bits can withstand the rigors of various drilling tasks, maintaining durability through repeated use.
• 【Compatibility】The countersink bits feature a 1/4-inch (6.35 mm) hex shank, making them compatible with most drills and power tools; The set includes two cutting sizes—10 mm and 13 mm—offering versatility for different project needs.
• 【Efficiency】These bits excel in chamfering, deburring, and countersinking tasks; Their seven-flute design minimizes chip loads, facilitating quick chip removal and enhancing overall drilling efficiency for work progress.
• 【Performance】During use, these countersink bits efficiently discharge wood sawdust smoothly and rapidly; The design balances performance and ease of use, making them suitable for both professionals and hobbyists.
• 【Material Suitability】These countersink bits are specifically designed for low-hardness materials like wood and plastic; They are unsuitable for metal applications, enabling users to focus on appropriate materials for safe and effective drilling.

1. Countersink bits are made from good quality high carbon steel which ensures a long service life 2. Hex shank size 1/4inch (6.35mm) and includes 2 cutting edges of 10mm, 13mm 3. Great for chamfering, deburring and countersinking. Seven flutes design provides small chip loads and quicker removal 4. Can discharge wood sawdust more rapidly and smoothly in the process of using 5. Suitable for board of low hardness such as wood, plastic and other soft material. Cannot be used for metal Spec: Description: These countersinks, made of high carbon steel, are very sharp and sturdy and you use them for a long time. 1/4 hex shank fits most handheld and stationary drills. Seven flute design reduces vibration for smoother drilling and extended life. Precision-ground 82 degree tip for countersinking into wood plate or thin plastic. Features: Countersink bits are made from good quality high carbon steel which ensures a long service life. Hex shank size 1/4 (6.35mm) and includes 2 cutting edges of 10mm, 13mm. Great for chamfering, deburring and countersinking. Seven flutes design provides small chip loads and quicker removal. Can discharge wood sawdust more rapidly and smoothly in the process of using. Suitable for board of low hardness such as wood, plastic and other soft material. Cannot be used for metal. Specifications: Material: High carbon steel Color: Black Cutting Edges Diameter: 10mm / 0.39, 13mm / 0.51 Hex Shank: 6.35mm(1/4) Length: 49mm / 1.93 Flute: 7 Angle: 82° Package Includes: 2pcs x Countersinks