We have developed proprietary gun drilling machines equipped with a built-in servo spindle that enables high rotation precision to respond to various needs for deep hole drilling. Through many years of development of the gun drilling machine and the technology we have accumulated through contracted deep hole machining, we continue to provide deep hole machining to meet customer needs.

Our company’s service is processing material by original machines. We handle a variety of materials that can be bored with a deep hole by a particular device and also the content of the surface by the machining center.

  1. Support for various materials ~ We support difficult-to-cut materials, resins, woods, and other materials that cannot be handled by others
  2. High-precision deep hole machining on externally machined workpieces ~ Proposals for shortening and improving processes
  3. Support from single small lots such as prototypes and development products
  4. Support for mass production using machine automation
  5. Support for extremely difficult machining such as required concentricity Φ0.05
  6. Consistent support for inner and outer diameters (from material procurement to outer shape and deep hole processing)

Ultra-small diameter deep hole machining that changes the general idea of cutting !

Hole diameter φ1.0 mm x depth 400 mm, hole diameter φ0.5 mm x depth 105 mm. By combining the development of a gun drilling machine with deep holedrilling technology, we have achieved ultra-small diameter deep hole drilling in areas that was previously impossible with conventional gun drilling.

Over 1000 types of drill diameters and drill length

No.1 in the industry for gun drills owned

We constantly prepare the most suitable machines, tools, and jigs to provide high-precision, high-quality deep hole machining with short delivery times to meet customer needs.

HI-TAK deep hole machining is used in a variety of industries !

HI-TAK deep hole machining is used in the following types of industries. We can provide proposals for deep hole drill shapes to fit the unique needs of our customers (machinery sales, single unit contracted machining, and more).

Contract gun drilling machining performance

Compatible machining dimensions (mm): Deep hole machining of φ0.5 × 60L to φ30.0 × 1500L

Hole diameter precision: Within ± 0.05

Surface roughness: 3.2S (Previous track record of Ra0.023)

Required concentricity: Previous track record of within φ0.05

Materials: Inconel, Hastelloy, β titanium, Co alloy, Ni alloy,general steel materials (stainless steel, aluminum, etc.), resin (PEEK materials, etc.)

Medical field

Bone cutter for neurosurgery
Implant (for femur)
Surgical tools for implants
Medical material pipe
(base hole for raw pipe and stent material)
Surgical tools (suction holes, guide holes)

Automotive field

Molds (core pin for coolant)
Shafts (hollow hole)
Piston connecting rods (fuel hole)
Fuel injection nozzles (lower body)
Common rails
Input shafts (AT)
Piston valves (hollow hole)

Machine tools industrial machines

Motor shafts(hollow hole)
Spindle shafts(hollow hole)
Piston cylinders(refueling piston hole)


Oil plants
New energy
Semiconductors etc.

Fusion of machine development technology and processing technology!

Technology development to solve customer needs !

Our history is also the history of technological development. Aiming to be a company that solves highly difficult needs,we are constantly str iving to research and develop technology.

[Example of development technology]
Pursuit of L/D deepening of ultra-small diameter deep holes (φ1.0 × 400L,φ0.5 × 60L)
Gun drilling automatic re-polishing device Mass production technology for high-precision deep hole machining using robots
Processing technology for difficult-to-cut materials (nickel titanium, etc.)

Quality control

Pursuit of L / D deepening of ultra-small diameter deep holes (φ1.0 × 400L, φ0.5 × 60L) Gun drilling automatic re-polishing device Mass
production technology for high-precision deep hole machining using robots Processing technology for difficult-to-cut materials (nickel titanium, etc.).

Quality policy

  1. Always be aware of quality improvements and provide quality assurance that satisfies our customers.
  2. Work on technological development that can meet the latest demands of our customers.
  3. Strive to develop employee skills and achieve annual quality targets.
  4. Respect our quality philosophy and constantly strive to improve it.
  5. Continuously improve our quality management system.

Quality philosophy: Quality to provide that reassures our customers

  • Practice the 3S ( organization, tidiness, cleanliness)
  • 3 processes to pursue quality (standards, manufacturing, shipping)
  • 3 checks (appearance, dimensions, quantity)
  • 3 aspects of quality assurance (quality, price, delivery date)