Updates

• 
  ZJNB rongke wrote a new blog entry:

  DEEP HOLE MACHINING CHIP REMOVAL SOLUTION

   
  U Drill Bit is one of our products. Let me introduce the solution for deep hole machining chip removal.
  　　Generally, the hole depth is more than 3 to 5 times of the diameter of the hole, which is called a deep hole. Its difficulty is in chip remo...

  • July 13, 2022
• 
  ZJNB rongke wrote a new blog entry:

  

  DEEP HOLE MACHINING CHIP REMOVAL SOLUTION

   
  U Drill Bit is one of our products. Let me introduce the solution for deep hole machining chip removal.
  　　Generally, the hole depth is more than 3 to 5 times of the diameter of the hole, which is called a deep hole. Its difficulty is in chip remo...

  • July 13, 2022
• 
  ZJNB rongke wrote a new blog entry:

  

  HOW TO CHOOSE A GOOD DRILL

  Saber Tooth Drill is one of our products, let me share with you some tips for choosing drills according to different purposes!
  　　Twist drills are generally made of high-speed steel; deep-hole drills usually refer to tools that process holes with a r...

  • June 15, 2022
• 
  ZJNB rongke wrote a new blog entry:

  

  WHAT IS A SPADE DRILL?

  We are professional Deep Hole Drill Manufacturers, let us share the knowledge of shovel drilling.
  　　Spade drill is an improved tool based on U drill. The equipment used is wide (can be used in radial drill, vertical drill, bed, machining center and other...

  • May 22, 2022
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  • March 31, 2022