We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Long Drill.
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Long Drill Product List and Ranking from 8 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Long Drill Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. スターエム Hyogo//Ferrous/Non-ferrous metals
  2. ギガ・セレクション-リミテッド（ギガセレクションリミテッド） 株式会社ジーネット Osaka//Trading company/Wholesale
  3. 東京山勝 Tokyo//Trading company/Wholesale
  4. 4 江南工機 Gifu//Manufacturing and processing contract
  5. 5 イワタツール Aichi//Industrial Machinery
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Long Drill Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. Super Hard Long Drill "DRLX" <Internal Cooling Type> ギガ・セレクション-リミテッド（ギガセレクションリミテッド） 株式会社ジーネット
  2. Long drill スターエム
  3. NACHi MQL Power Long Drill 東京山勝
  4. Long drill for machines スターエム
  5. 4 Explanation document regarding the challenges and improvement measures in the manufacturing process of "super hard long drill materials." 江南工機

Long Drill Product List

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Long drill

Long drill

We can handle drilling holes of 240mm or more! Custom orders for longer drills are also possible!

Three types: 400L, 500L, and 600L. You can choose based on the drilling depth. If you want to drill to a specific depth, please use the No. 5005 drill stopper. If you want to drill straight holes, we recommend the No. 50P drill stand PRO (compatible up to 500L). We also accept custom orders for drills longer than standard products like 1000L, so feel free to consult with us.

  • drill

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Long drill for machines

Long drill for machines

Leveraging the technology of a specialized woodworking drill manufacturer to support drilling with hole-cutting machines!

To prevent drying, cracking, and bending of wood, it is necessary to drill a hole in the center of the wood for passing pipes, rebar, electrical wires, etc. When the material to be processed is long, it becomes difficult to use a standard woodworking drill. At Star M, we can manufacture long drills for machines. Please feel free to contact us.

  • Other machine tools
  • drill

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Drill screw Pirovis HEX (hexagonal) long drill

Drill screw Pirovis HEX (hexagonal) long drill

Can be installed on steel frame substrates without pre-drilling!

The special tip of the drill with a length of 15mm can penetrate steel frames up to a maximum of 12mm. *For more details, please download the catalog or feel free to contact us.*

  • bolt

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Explanation document regarding the challenges and improvement measures in the manufacturing process of "super hard long drill materials."

Explanation document regarding the challenges and improvement measures in the manufacturing process of "super hard long drill materials."

We present materials that explain the manufacturing challenges of ultra-hard long drills and their improvement points, which are useful for enhancing the precision of drilling processes!

The material for ultra-hard long drills is created through sintering, which can lead to runout and bending at the material stage. The document titled "Challenges and Improvement Measures in the Manufacturing Process of 'Ultra-Hard Long Drill Material'" provides a detailed explanation of the challenges in the manufacturing process of ultra-hard long drills, including techniques for removing runout and bending, and their improvement measures. This may help enhance the precision of "drilling processing technology" for effectively and accurately creating fine holes and deep holes. [Partial Content Introduction] ■ About the material of ultra-hard long drills ■ What is a sintered body? ■ The manufacturing process of ultra-hard long drills ■ Required precision for ultra-hard long drills ■ Current processing methods and issues ■ <Through-feed Centerless Grinding> etc. Konan Koki offers centerless cylindrical grinding processing of ultra-hard alloy round bars. We uniquely reduce material warping and bending to an extreme degree, achieving high precision in outer diameter accuracy, roundness, and cylindricity. Please feel free to consult with us. *For more details, please download the PDF or feel free to contact us.

  • Processing Contract
  • alloy

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Long Drill Spiral Type "RDL" <For Deep Hole Machining>

Long Drill Spiral Type "RDL" <For Deep Hole Machining>

D7.00 to D10.00, applicable for a groove length of 150! Delivery time / shipped on the 13th working day, express delivery time / shipped on the 10th working day.

We would like to introduce the long drill for deep hole machining, spiral type 'RDL', provided by Risumo Tool Co., Ltd. We also have ready-to-ship stock items in the "RDLS series." Depending on the material to be machined, we can propose a variety of electroplated specifications, so please feel free to consult with us. The tolerance for φD applies when selecting #100 to #400. 【Lineup (excerpt)】 ■Outer diameter ・1.50–1.99 ・2.00–2.69 ・2.70–2.99 ・3.00–3.99 *For more details, please download the PDF or feel free to contact us.

  • Other cutting tools

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High hardness drilling tool Toglon® Hard Long Drill

High hardness drilling tool Toglon® Hard Long Drill

Drill for deep hole machining of high hardness materials - Reducing processes enables shorter delivery times!

The Hard Long Drill from the Toglon® Hard Series, designed for high hardness applications, can process hardened steel with a hardness of HRC 40 to 72. It achieves through-hole processing of 20D or more in hardened steel. It boasts excellent roundness, cylindricity, and surface roughness, with precision of H7 or better. Hole processing for mold ejector pins can also be done in one shot without a pilot hole. This reduction in processes allows for shorter delivery times. In addition to standard products up to 20D, drills for deeper holes can also be manufactured. The material is ultra-hard alloy, which excels in oxidation resistance, wear resistance, and heat resistance, making it ideal for high-speed machining. The surface treatment ALT coating offers excellent heat resistance, oxidation resistance, and lubricity, providing stable high-temperature hardness. For more details, please contact us or refer to the catalog.

  • drill

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NACHi MQL Power Long Drill

NACHi MQL Power Long Drill

Ultra-hard drill for deep hole machining

With the mist hole feature, deep holes with an L/D ratio of 25 can be processed in a non-step manner, making it ideal for deep hole machining from raw materials to shaped steel.

  • drill

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Super Hard Long Drill "DRLX" <Internal Cooling Type>

Super Hard Long Drill "DRLX" <Internal Cooling Type>

It demonstrates stable performance under various cutting conditions, such as when the rotation speed and feed rate are fast or slow, and when the coolant pressure is high or low!

■Demonstrates stable performance under various cutting conditions, such as high or low spindle speeds and feed rates, high or low coolant pressure, and the presence or absence of step machining. ■Low cutting resistance and minimal load on the spindle. ■Polished grooves prevent welding and allow for smooth chip evacuation. ■Large S-shaped chip pockets achieve excellent chip evacuation. ■Chamfering at the corners prevents chipping and reduces burrs. ■Large core thickness ensures rigidity. ■Double margins improve straightness. *For more details, please download the PDF or feel free to contact us.*

  • drill

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Improvement of hole position accuracy for post-processing long drills! Pentagon

Improvement of hole position accuracy for post-processing long drills! Pentagon

The material being cut is S50C, with a machining depth of 9mm (internal water-soluble 2MPa)! Horizontal machining center evaluation case.

We would like to introduce a case study on the evaluation of horizontal machining centers (M/C) regarding the positional accuracy of long drill holes using our product "Pentagon." The workpiece is S50C, and the equipment used is a horizontal M/C HSK63. The cutting conditions are as follows: pilot drill at Vc 50 m/min, f 0.15 mm/rev, with a machining depth of 9 mm (internal water-soluble 2 MPa), and long drill at Vc 80 m/min, f 0.2 mm/rev, with a machining depth of 90 mm through (internal water-soluble 2 MPa). The results obtained with this product showed a positional accuracy within Φ0.008 to Φ0.020. 【Case Overview】 ■ Workpiece: S50C ■ Equipment: Horizontal M/C HSK63 ■ Cutting Conditions ・Pilot Drill: Vc 50 m/min, f 0.15 mm/rev, machining depth 9 mm (internal water-soluble 2 MPa) ・Long Drill: Vc 80 m/min, f 0.2 mm/rev, machining depth 90 mm through (internal water-soluble 2 MPa) ■ Tool Used: Pentagon PGPD0603H03 *For more details, please download the PDF or feel free to contact us.

  • drill

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