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It is a Gundrill that performs deep, high-precision drilling.
Botech is a specialized manufacturer of deep hole machining tools and is the largest manufacturer in the world for the production of gun drills. We can also produce coated tools for difficult materials such as stainless steel. We are the first in the world to manufacture throwaway gun drills (φ13.5 to φ43.99). For more details, please request our materials.
Gundrill
Features of Gundrill Processing ◎ Good straightness For processing at a typical depth of 1000mm, the core misalignment accuracy is less than 1mm ◎ Good surface roughness Excellent surface roughness due to the vanishing effect ◎ Good diameter tolerance Drilling with tolerances of H7 to H9 is possible ◎ Reduced processing time No need for step feed
The ultra-hard solid type 'EB 100' of the Gundrill series developed by the No. 1 manufacturer in Germany with over 125 years of history ≪internal lubrication specification≫.
The 'EB 100' carbide solid gundrill from Gühring, which offers a standard lineup with a maximum groove length of 160, is a solid type where the tube and head are integrated, increasing torsional strength. It features a versatile two-point pad head shape that can accommodate all types of workpieces. Custom products can also be tailored and manufactured according to user specifications, meeting the needs of deep hole machining.
Efficiently enables high-precision deep hole machining! No guide bushings or guide plates are required.
We would like to introduce our "Gundrills for Machining Centers." These can be used with general-purpose machines such as machining centers, NC lathes, turret lathes, and drill presses, enabling efficient and high-precision deep hole machining. By shaping the oil holes into crescent shapes or double holes, we increase the discharge amount of cutting oil and improve chip evacuation. Additionally, we also offer dedicated grinding machines for general-purpose gundrills with diameters ranging from φ2 to φ32. 【Features】 ■ Enables efficient and high-precision deep hole machining ■ Usable with general-purpose machines such as machining centers, NC lathes, turret lathes, and drill presses ■ No need for guide bushes or guide plates by utilizing guide holes ■ By shaping the oil holes into crescent shapes or double holes, we increase the discharge amount of cutting oil and improve chip evacuation *For more details, please refer to the PDF document or feel free to contact us.
We accommodate all types of cutting tools, whether domestic or international.
We respond with reliable technology and abundant experience in rotary cutting tools and grinding.
We can also manufacture slow-away gun drills! Introduction to the gun drills handled by our company.
The "Muraki Botech Gundrill" is a product that enables high-precision deep hole machining (straightness, hole diameter accuracy, surface roughness) that is superior to long drills in general-purpose machines such as N/C lathes and turret lathes. The oil holes, designed in a kidney shape or with two holes, increase the discharge amount of cutting fluid, allowing for smooth chip removal along the V-groove of the drill tube. Machining with an L/D ratio of up to Max 40 can be done in a non-step manner. 【Lineup (Partial)】 ■ Brazed Gundrill "Type 110" ■ Brazed Step Gundrill "Type 112" ■ All Carbide Gundrill "Type 113" ■ All Carbide Step Gundrill "Type 113-01" ■ Throwaway Gundrill "Type 01-001" *For more details, please refer to the PDF document or feel free to contact us.
The "EB 80" series of carbide brazed gun drills, developed by the number one manufacturer in Germany with over 125 years of experience, features an internal lubrication specification.
The 'EB 80' carbide brazed gun drill, which is part of Gühring's extensive range of deep hole machining gun drills, offers a maximum drilling depth of 80xD in its standard lineup. It features a chip breaker and adopts a highly versatile two-point pad head shape that can accommodate all types of workpieces. Custom products can also be tailored and manufactured to meet user specifications, fulfilling the needs of deep hole machining.
The "ZB 80" ultra-hard brazed two-flute gun drill series developed by the number one manufacturer in Germany with over 125 years of history, featuring internal lubrication specifications.
The high-efficiency two-flute gun drill 'ZB 80', developed for non-ferrous metals, is part of Gühring's wide range of deep hole machining gun drills. With two cutting edges, it allows for higher feed rates compared to single-flute drills. There are two types available: one specifically for aluminum and another for cast iron. Custom products can also be made to meet user specifications, fulfilling the needs for deep hole machining.
The 'EB 800' insert exchange type of the Gundrill series developed by the number one manufacturer in Germany with over 125 years of history ≪internal lubrication specification≫.
Among the wide range of deep hole machining Gundrills offered by Gühring, the 'EB 800' stands out for its insert exchangeable design, providing flexibility to accommodate various workpiece materials. The replaceable carbide inserts are available in four different coatings. Its simple structure, with fewer components, ensures stable machining. Since the components can be exchanged on the machine, there is no need to remove the holder itself. Custom products tailored to user specifications can also be accommodated and manufactured, meeting the needs of deep hole machining.
Achieve high-speed delivery from another dimension! You can shorten setup time just by replacing the insert.
We would like to introduce our "Throwaway Gundrill." Thanks to its special breaker shape, it achieves smooth chip removal and unprecedented high feed rates. By simply replacing the insert, setup time can be reduced, lowering running costs. It can be used in machining centers, lathes, and gundrill machines. 【Features】 ■ Smooth chip removal due to the special breaker shape ■ Reduced running costs ■ Insert breaker - Breaker shape that disperses stress concentration and allows for smooth chip flow - Structural design that withstands vibration and impact due to the Mt. Fuji clamp design *For more details, please refer to the PDF document or feel free to contact us.
