What Kind of Hole Processing Tool are Left-Hand and Right-Hand Twist Drills?

Do you Know the Left-Hand Drills and Right-Hand Twist Drills?

Left-hand drill bit belongs to twist drill but it is also different from twist drill

The left drill is a left-hand twist drill specialized in automatic lathe hole processing

The Biggest Difference Between Left and Right Twist Drills

They are different in the direction of rotation of the spiral groove

Left Hand Drill Bit

  1. Its spiral groove rotates left
  2. Ninety percent of the use of left drills comes from automatic lathe factories

Right Hand Drill Bit (Twist Drill Bit)

  1. Always used in various hardware manufacturing hole processing fields
  2. Twist drills are the first choice for equipment that can drill holes

The left drill is actually relatively simple, except that the twist direction of the twist drill is different from that of the spiral groove. Almost the rest are similar

If there is a difference, the selected material is different and in the processing technology of the spiral groove and the drill point, they are different

The left drill is a spiral groove that rotates in the left direction, and most drilling equipment standard rotates in the right direction

So, let us know more about the left hand drill bit

Left and Right Hand Twist Drill Bit

No.1 Best Sell

black oxide left hand drill bit
  • Look no further than the Black Oxide Left Hand Drill Bit. This drill bit is made of M2 material, meaning it’s built to last.

 

  • The black oxide coating provides an extra layer of durability.

 

  • Whether you’re removing screws, bolts or studs, this drill bit can get the job done quickly and efficiently.

No.2 Best Sell

  • Made from high speed steel and with a titanium coating, this drill bit is built to last.

 

  • The split point tip increases cutting speed while easy self centering prevents walking, meaning you can get the job done quickly and efficiently.

 

  • The left hand design makes it perfect for use with screw extractors to remove broken fasteners.

No.3 Best Sell

  • Made with M35 cobalt, this drill bit is designed to resist corrosion and friction, making it perfect for even the most difficult tasks.

 

  • The twist design increases cutting speed, while the angled tip provides precise self-centering and fast hole-cutting.

 

  • Because it’s a left hand drill bit, it’s perfect for use with reversible drills and screw extractors.

No.4 Best Sell

  • With a black and gold surface, these drill bits are hard and wear-resistant.

 

  • Three flatted shank allows for better chuck grip while Turbo Max Point provides clean entry, fast start, and staying sharp longer.

 

  • There’s no need for center punch tool!

No.5 Best Sell

  • The superior cutting edge is hardened and honed for sharpness, while the staggered cutting teeth ensure precise countersinking and a smooth, clean hole.

 

  • The 1/4 inch hex shank fits into all power tools more easily and securely.

Conditions for Using a Left Hand Drill Bit

  1. You need to confirm is whether your equipment can adjust the rotation direction
  2. The drilling equipment has both left-handed and right-handed rotation

The Field of Use of the Left Drill

  1. The left drill is caused by the existence of automatic lathes
  2. Left-handed left-twisted twist drills that have left-handed functions

Because the processed products have high quality and high requirements and need to be formed with the equipment at one time, the automatic lathe hole processing is extremely strict for the left and left twist drills

Only the development of high-quality left-hand drills can meet the requirements of automatic lathe hole processing

High requirements definitely be high costs. This is one of the reasons why a left drill is more expensive than a twist drill

When choosing the hole processing tool you need, you must pay attention to distinguishing between left hand drill bit and twist drill bit

DANYANG TENYU TOOLS focuses on R & D and customization of left drilling for automatic lathe hole processing

If you want to purchase Left-Hand and Right-Hand Twist Drills and other tools

Buy the Left-Hand and Right-Hand Twist Drills with factory price and best quality, choose Tenyu Tools!

We can provide product technical guidance, free samples and professional quotations for you

Learn more about the saw blades and drill bits, please click here!

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