We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Deep Hole Drilling.
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Deep Hole Drilling Product List and Ranking from 23 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

Deep Hole Drilling Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

  1. ハイタック Shizuoka//Manufacturing and processing contract
  2. 不二新製作所 Osaka//Ferrous/Non-ferrous metals
  3. 第一商工 Nagano//Resin/Plastic
  4. 4 城陽富士工業 Kyoto//Manufacturing and processing contract
  5. 5 日本特殊螺旋工業 Hyogo//Manufacturing and processing contract
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Deep Hole Drilling Product ranking

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

  1. Deep hole machining of resin ハイタック
  2. Deep hole machining of small diameter for medical devices. ハイタック
  3. Are you having trouble with deep hole machining (gun drilling)? 第一商工
  4. 4 Examples of fine hole and deep hole machining with a depth of 9.0 mm and a hole diameter of 0.2 mm. 城陽富士工業
  5. 4 Fujishin Manufacturing Co., Ltd. for Gundrill Processing and BTA Processing 不二新製作所

Deep Hole Drilling Product List

46～59 item / All 59 items

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[Case Study] Molds (Injection Molding and Aluminum Extrusion) Industry

[Case Study] Molds (Injection Molding and Aluminum Extrusion) Industry

Introducing a case where cooling performance was improved, gas escape was enhanced, and post-processing was reduced!

We would like to introduce a case study of the production of ultra-fine diameter deep hole components used in cooling channels and gas venting within molds in high-temperature environments. In this case, there were challenges due to a high risk of breakage from the ultra-fine diameter and difficulties in ensuring straightness due to the deep holes. However, through our company's efforts, we improved cooling performance and gas venting, resulting in a reduction in post-processing. Our company has many years of experience and advanced technology in the field of deep hole machining and gun drilling. Utilizing advanced gun drilling technology that enables precise deep hole machining, we provide high-quality processing services tailored to our customers' needs. 【Case Overview】 ■ Industry: Molds (Injection Molding, Aluminum Extrusion) ■ Component Information: DAC material, φ2.1×227.1mm, concentricity 0.04mm, inner diameter ±0.01 to 0.02 ■ Challenges: High risk of breakage due to ultra-fine diameter / Difficulty in ensuring straightness due to deep holes ■ Value Provided: Zero breakage with penetration / Achieved concentricity of 0.04mm / High reproducibility in long holes ■ Technical Points: Carbide drill, step feed, hydraulic control, straightness correction *For more details, please download the PDF or feel free to contact us.

  • Processing Contract

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Deep hole machining

Deep hole machining

Good shaft tolerance, cylindricity, and roundness! High-precision hole machining with a gun drill.

We would like to introduce the "Deep Hole Machining" offered by Toa Denko Co., Ltd. By spraying cutting oil from the tip, chips generated during machining are discharged through a V-shaped groove, enabling high-precision deep hole machining using a "gun drill." Our company can drill holes of different diameters from both sides or stop the hole without making it through. If you have any questions like "Can you do this?" or need consultation, please feel free to contact us. 【Features】 ■ Minimal bending ■ Good surface roughness ■ Excellent diameter tolerance, cylindricity, and roundness *For more details, please refer to the related links or feel free to contact us.

  • Other processing machines

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[Data] Case Study on Problem Solving <Machining Deep Hole Processing for Automotive Parts>

[Data] Case Study on Problem Solving <Machining Deep Hole Processing for Automotive Parts>

Introduction of a case that solved the chip problem occurring during deep hole machining with machining.

This document introduces a case study that addresses the challenges of machining deep holes in automotive parts. The background of the request was that during machining, when drilling deep holes, chips were getting stuck at the back, causing issues during assembly. By adding a coolant-through spindle to the machining process and injecting oil from the tool during drilling, we improved the chip removal during deep hole machining. [Contents] - Examples of machining products (aluminum products) - Background of the request - Proposed solutions - Customer feedback and points of satisfaction *For more details, please refer to the PDF document or feel free to contact us.

  • Processing Contract

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The manufacturing industry is important here!

The manufacturing industry is important here!

Always short delivery times! We can provide integrated production from material arrangement to delivery with just one drawing.

Fujishin Manufacturing Co., Ltd. always responds with short delivery times through its unique processing technology in Gundrill and BTA deep hole machining. Would you like to eliminate or improve the efficiency of processes such as reaming after drilling or boring after making pilot holes? Are there materials or processes that you thought were impossible until now? Fujishin Manufacturing Co., Ltd. considers everything from design to materials and processing together with our customers, responding to detailed needs. In addition to Gundrill and BTA machining, we also accommodate various processes through our network of partner companies. 【What is important in the machining industry!】 ○ Always short delivery times → For our customers, delivery time is as important as price. ○ How to reduce the number of processes and machining time → Fujishin Manufacturing Co., Ltd. is a group of specialists in hole machining. ○ Thinking together with customers → We can provide integrated production from material arrangement to delivery with just one drawing. For more details, please contact us or download the catalog.

  • Processing Contract
  • cylinder
  • Other machine elements

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[Processing Examples] Precision Equipment / Food Machinery / Medical Device Industry

[Processing Examples] Precision Equipment / Food Machinery / Medical Device Industry

We will introduce examples of achieving improved device accuracy, reduced vibration, and easier assembly!

We would like to introduce a case study of the production of shouldered long holes processed inside precision shafts for the food, medical, and analytical equipment sectors. In this case, there were challenges related to the unique issues of galling and maintaining precision with stainless steel. However, through our company's efforts, we were able to achieve improvements in equipment precision, reduction of vibrations, and ease of assembly. Our company has many years of experience and advanced technology in the fields of deep hole processing and gun drilling. Utilizing advanced gun drilling technology that enables precise deep hole processing, we provide high-quality machining services tailored to our customers' requirements. 【Case Overview】 ■ Industry: Precision Equipment / Food Machinery / Medical Devices ■ Part Information: SUS303, φ12.7×208.7mm shouldered, concentricity 0.02mm ■ Challenge: Difficulty in maintaining precision and galling unique to stainless steel ■ Provided Value: Maintained high precision with concentricity of 0.02mm and anti-galling processing ■ Technical Points: Optimization of cutting conditions for stainless steel, heat dissipation control, and shoulder finishing processes *For more details, please download the PDF or feel free to contact us.

  • Processing Contract

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[Processing Example] Resin Mold Industry

[Processing Example] Resin Mold Industry

Introducing a case study that achieved quality stability, reduced gas accumulation, and improved molding cycles!

We would like to introduce a case study of manufacturing deep hole components made of heat-resistant steel used for gas venting in resin molds. In this case, there was a challenge of high machining load on heat-resistant steel and the need for high-precision processing of the tip shape. However, through our company's efforts, we achieved stable quality, reduced gas accumulation, and improved molding cycles. Our company has many years of experience and advanced technology in the fields of deep hole machining and gun drilling. Utilizing advanced gun drilling technology that enables precise deep hole machining, we provide high-quality processing services tailored to our customers' needs. 【Case Overview】 ■ Industry: Resin Molds ■ Part Information: SKD61, φ4.6×169.2mm, tip SR shape, deep hole machining ■ Challenge: High machining load on heat-resistant steel / Need for high-precision processing of the tip shape ■ Provided Value: Deep hole machining that suppresses thermal deformation / Achieving tip shape within ±0.01mm ■ Technical Points: Tools specifically for heat-resistant steel, high-pressure coolant, temperature rise suppression machining *For more details, please download the PDF or feel free to contact us.

  • Processing Contract

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[Case Studies] Precision Equipment/FA Equipment/Analytical Equipment Industry

[Case Studies] Precision Equipment/FA Equipment/Analytical Equipment Industry

Introducing examples of achieving improved device performance, reduced adjustment work, and enhanced yield!

We would like to introduce a case study of the production of guide shafts for medium-diameter deep holes used in precision devices, FA equipment, and analytical instruments. In this case, there were challenges such as difficulty in chip removal and heat management in stainless steel deep holes, as well as the requirement for shoulder machining precision. However, through our company's efforts, we were able to achieve improvements in device performance, reduction in adjustment work, and enhancement of yield. Our company has many years of experience and advanced technology in the field of deep hole machining and gun drilling. Utilizing our advanced gun drilling technology that enables precise deep hole machining, we provide high-quality machining services tailored to our customers' needs. 【Case Overview】 ■Industry: Precision devices / FA equipment / Analytical instruments ■Part Information: SUS303, φ6.4×223mm shoulder hole, concentricity 0.06mm ■Challenges: - Difficulty in chip removal and heat management in stainless steel deep holes - Requirement for shoulder machining precision ■Provided Value: High precision for both deep holes and shoulder holes. Stable machining with zero seizure. *For more details, please download the PDF or feel free to contact us.

  • Processing Contract

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Ultra-precision deep hole machining 'Case Study Collection of Gundrill Machined Products' *Available for free!

Ultra-precision deep hole machining 'Case Study Collection of Gundrill Machined Products' *Available for free!

Over 1,100 new transactions with more than 1,100 companies in 10 years! A large number of 'production examples' of composite processed parts made with original equipment, cutting tools, and cutting oils are featured!

The "Case Study Collection of Gundrill Processed Products" is a compilation of examples of processed parts made using deep hole machining with gundrills, as well as complex machining involving gundrills and machining centers. Fuji Shin Seisakusho utilizes original equipment, cutting tools, and cutting oils, enabling the production of highly precise processed products that cannot be replicated by other companies. In addition to high-precision deep hole drilling with gundrills, we also handle many complex machining processes, such as gundrill and lathe, and gundrill and machining, boasting a wealth of experience with over 1,100 new corporate transactions in the last ten years. **Features** - Achieves the highest quality parts production with original processing equipment, cutting tools, and cutting oils. - Integrated production from material procurement to gundrill machining, machining, and lathe work. - Capable of diverse machining for hole diameters from φ0.8 to φ30 and hole lengths up to 1000mm. - A wealth of experience with over 1,100 new corporate transactions in the last ten years. *Please refer to the PDF data available for download for the "Gundrill Processing Product Case Study Collection."*

  • Processing Contract
  • cylinder
  • Other machine elements

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High-precision, high-quality small-diameter deep hole machining: What is Gundrilling?

High-precision, high-quality small-diameter deep hole machining: What is Gundrilling?

When it comes to deep hole machining, they are known for having high-quality gun drilling technology, referred to as "Fuji Shin Seisakusho"!

"Gun drilling" is a machining technology that allows for the creation of high-performance deep holes with a good surface finish. Fujishin Seisakusho possesses top-level domestic technology in gun drilling, enabling them to easily perform deep hole machining that other manufacturers cannot accomplish. [There is a possibility that even deep hole machining that other companies have declined can be produced at Fujishin Seisakusho!] [Machining Hole Diameter] - Machining hole diameter (mm): φ0.8 - φ30 - Maximum outer diameter × material length: up to φ340×1000(1200) mm *The maximum machining length for each diameter varies depending on the length of the drill. *If you are having trouble with the accuracy or quality of deep hole machining, please contact Fujishin Seisakusho. *Please view the "Production Case Collection" PDF data available for download.

  • Processing Contract
  • cylinder
  • Other machine elements

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BTA processing refers to high-precision, high-quality medium to large diameter deep hole machining.

BTA processing refers to high-precision, high-quality medium to large diameter deep hole machining.

When it comes to BTA processing and gun drilling, Fujishin Seisakusho is the best! We possess outstanding deep hole processing technology in Japan!

"BTA processing" is a machining technology that can create high-performance deep holes with medium to large diameters, while also achieving a good surface finish. Fujishin Seisakusho's BTA processing possesses top-level technology in Japan, allowing for deep hole machining that other processing companies find difficult to perform. [If you have been turned down by other companies for deep hole machining, there is a possibility that Fujishin Seisakusho can manufacture it!] [BTA Processing - Machining Hole Diameter] ○ Machining hole diameter (mm): φ24 - φ75 ○ Maximum outer diameter × material length: up to φ300 x 1300 (1500) mm * The maximum machining length for each processing diameter varies depending on the length of the boring bar. * If you are having trouble with the accuracy or quality of deep hole machining, please contact Fujishin Seisakusho. * Please view the "Manufacturing Case Collection" PDF data available for download.

  • Processing Contract
  • cylinder
  • Other machine elements

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Deep hole machining

Deep hole machining

High-precision deep hole machining with center-through coolant method.

Our company aims to provide consistent production from prototype to mass production, including material procurement, processing, surface treatment, and assembly, while meeting customer demands for cost, quality, and delivery time, as well as creating products with strong proposal capabilities. We achieve processing limits with a center-through coolant system, enabling the machining of deep cross holes and a variety of materials. We accommodate metal processing of a wide range of materials, including forged and cast materials, utilizing our unique technologies and know-how developed over many years to meet various customer needs. [Strengths] - Achieving processing limits with a center-through coolant system - Capable of handling deep cross holes - Accommodating processing of diverse materials *For more details, please refer to the PDF document or feel free to contact us.

  • Processing Contract

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[Processing Example] Industrial Machinery (Hydraulic and Cooling Mechanisms) Industry

[Processing Example] Industrial Machinery (Hydraulic and Cooling Mechanisms) Industry

Introducing examples of achieving stable flow, reduced assembly man-hours, and high reliability!

We would like to introduce a case study on the processing of center holes in long shafts used as oil and cooling passages inside industrial machinery. In this case, there were challenges such as the long, thin diameter being prone to bending and difficulties in internal heat and chip discharge. However, through our company's efforts, we achieved stable flow rates, reduced assembly man-hours, and high reliability. Our company has many years of experience and advanced technology in the field of deep hole processing and gun drilling. Utilizing advanced gun drilling technology that enables precise deep hole processing, we provide high-quality machining services tailored to our customers' needs. 【Case Overview】 ■ Industry: Industrial Machinery (Hydraulic and Cooling Mechanisms) ■ Part Information: DAC material, φ3×351mm, L/D=117, concentricity 0.15 to 0.19mm ■ Challenges: Long, thin diameter prone to bending / Difficulties in internal heat and chip discharge ■ Value Provided: Successful penetration even with L/D over 100 / Achieved exit eccentricity of less than 0.2mm ■ Technical Points: Feed control, high-pressure coolant, tool life monitoring, dedicated deep hole equipment *For more details, please download the PDF or feel free to contact us.

  • Processing Contract

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[Processing Example] Automotive Mold/Fixture Device Industry

[Processing Example] Automotive Mold/Fixture Device Industry

We will introduce a case that achieved improvements in assembly accuracy, stable jig lifespan, and yield enhancement!

We would like to introduce a case study of deep hole machining on both sides of positioning shafts used in automotive molds and jigs. In this case, there were challenges such as the tendency for misalignment during dual-side machining and significant effects of thermal deformation. However, through our company's efforts, we were able to achieve improvements in assembly accuracy, stability of jig lifespan, and yield rate. Our company has many years of experience and advanced technology in the fields of deep hole machining and gun drilling. Utilizing our advanced gun drilling technology, which enables precise deep hole machining, we provide high-quality machining services tailored to our customers' requirements. 【Case Overview】 ■ Industry: Automotive molds/jig devices ■ Part Information: S45C, φ3×130mm dual-side machining, tolerance ±0.01 to 0.02mm ■ Challenges: Tendency for misalignment during dual-side machining / significant effects of thermal deformation ■ Provided Value: Established a stable machining process with eccentricity of 0.02 to 0.03mm and mass production capability ■ Technical Points: Multi-stage centering, optimization of dual-side machining sequence, warpage correction technology *For more details, please download the PDF or feel free to contact us.

  • Processing Contract

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