Changzhou Hiboo Tools Co., Ltd

No.26 LingShan Middle Road, No.23-2 Block Tools Industrial Base, Xixiashu Town,

Changzhou City, Jiangsu Province, China

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5D Driills with Internal Cooling Hole
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 3D Tungsten Solid Carbide Internal Coolant Twist Drill for Steel, Stainless Steel
 3D Tungsten Solid Carbide Internal Coolant Twist Drill for Steel, Stainless Steel  3D Tungsten Solid Carbide Internal Coolant Twist Drill for Steel, Stainless Steel
 3D Tungsten Solid Carbide Internal Coolant Twist Drill for Steel, Stainless Steel  3D Tungsten Solid Carbide Internal Coolant Twist Drill for Steel, Stainless Steel
 5D Driills with Internal Cooling Hole  5D Driills with Internal Cooling Hole
 5D Driills with Internal Cooling Hole  5D Driills with Internal Cooling Hole
 5D Driills with Internal Cooling Hole  5D Driills with Internal Cooling Hole

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5D Driills with Internal Cooling Hole

‌Tungsten steel drill is a highly efficient and wear-resistant cutting tool with high hardness, high wear resistance and good toughness. ‌ Tungsten steel drill is mainly made of a mixture of tungsten, cobalt and other materials, and may contain other alloy elements to further enhance its performance. Its hardness can reach above HRA90, and it has extremely high wear resistance and corrosion resistance, which enables the tungsten steel drill to maintain its sharpness for a long time during the cutting process, reduce wear and improve processing efficiency.‌
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