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40 Years Indexable Milling Cutters Manufacturer | Y.T. / YT / YIH TROUN

Based in Taiwan, YIH TROUN ENTERPRISE CO., LTD., since 1977, is an indexable cutting tool manufacturer that has over 4500 standard indexable cutters and 30 patented designs. Focusing on developing highly efficient Indexable Tools to reduce cost and reach maximum productivity.

Y.T. / YT / YIH TROUN is the only company in Taiwan to manufacture indexable shank holder together with unique core technology for carbide insert sintering and grinding. Precision slotting, slitting and cutting tools, including indexable saw blades, side and milling cutters and transformer t-slot cutters.

Y.T. has been focusing on developing indexable cutting tools to meet the challenges of machining industry to increase efficiency and reduce cost. Y.T. indexable tools have been developed to enhance the performance of the machine to help the manufacturer's production competitiveness. With easy to clean, heat resistance and high quality indexable high speed cutter and indexable taps, in addition to 40 years of experience, Y.T. / YT / YIH TROUN ensures each customer's demands are met.

View our quality indexable tooling system products TAP, Counter Bore, Saw Blade, Cutter, Center Drill, Spot Drill, Milling Cutter and feel free to Contact Us.

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UFO Carbide Common Toolholder - CB3W

CB3W Series

In long overhang machining, carbide shank provides relatively better stability and enhance the tool life of the insert than HSS shanks, despite it is always more expensive, but at the same time carbide shank improves the vibration resistance and the durability. Whether it is used in T-slot insert or in thread milling insert, it is recommended to use carbide shank to reduce the cost by more than 50%. Different shank can fit in different dia. of inserts from 10 - 80mm and other inserts in 11 different profiles.
UFO T-slot Insert - 3T

3T Series

The tapered-polygon-interface is made by complete-grinded processing to keep the lowest tolerance of connect positioning ± 0.01mm and optimize machining accuracy and insert life. Min. thickness of insert starts from 0.5mm, the whole range of insert dia. from 10 ~ 32 mm. In small thickness, we stock every 0.1mm as standard item in stock. In complete range of specifications and great performance in chip evacuation, Y.T. UFO T-slot cutter is always the best choice for small slot application. In the whole series of UFO family, besides UFO T-slot insert, there is other inserts such as UFO Thread milling / UFO chamfer / UFO radius insert… etc., all can fit in common shank if it's in the same size. For the purpose of improve accuracy and tool life by decrease cutting resistance, YIH TROUN features spiral staggered teeth on the UFO T-slot cutter which with thickness above 1.5mm and in coating grade for processing steel materials.
UFO T-slot Cutter - 3T / 3TS

3T / 3TS Series

YIH TROUN provides three types of T-slot cutter in bigger size 1. Series 3T16 and 3T25 in LNGT insert: diameter Ø 32, Ø 35, Ø 40, Ø 50, Ø 60, Ø 80; thickness 1.4mm ~ 8mm. This LNGT insert is designed by a patented screwless grip-type structure, it was clamped firmly and provides an excellent performance during an extreme test on 17,500rpm. 2. Series 3TS25 in SNGX / SNGW insert: Diameter Ø 50, Ø 60, Ø 80; thickness 4mm ~ 12mm. The square type SNGX insert is focus on a thicker range, it was designed with 4 cutting edges and performs greater cost effectiveness compare to LNGT. Meanwhile the cutter can also fit SNGW insert, which has radius edge: R0.4 / R0.8 / R1.2 / R1.6 / R2.0 / R2.5 / R3.0, it can be applied in machining at the edge of the slot to strengthen the structure. Same insert can be fitted on both left and right side of the cutter.
UFO T-slot Cutter (Fit round insert) - 3TR

3TR Series

T-slot cutter in radius slot with round insert Series 3T2560-R: diameter Ø 60, Ø 80; thickness 8mm, 10mm, 12mm. YIH TROUN offer an alternative T-slot cutter fits the round insert which is exclusively solution for grooving full radius. Radius size: R4 / R5 / R6
UFO Radius Insert - 3T

3T Series

For a radius slot that requires an O-ring in the inner hole or a radius at the bottom of the groove, a custom-made solid R-groove cutter would be needed in the past to machine this type of workpiece, which was time inefficient, plus the poor performance of the solid welded cutter and expensive solid carbide tool. YIH TROUN has developed a new solution in indexable insert type with radius 0.5 - 3.0 inserts, allowing convenient replacement for different radius angles with a single UFO shank. A variety of inserts are available for different machining materials, while the six-tooth design and the geometric angle of the insert greatly improve the machining efficiency and tool life. Stocks of radius inserts with standard radius are all available to spare further customization.
UFO Thread Milling Insert (Full Profile) - 3T

3T Series

The UFO thread milling cutter (full profile) provides a different choice from the market. General thread milling tool start with larger-diameter and fewer no. of teeth, resulting in limited application and low efficiency. YIH TROUN UFO full partial profile thread milling insert has a minimum diameter of 10mm with 4 teeth, along with three threading angles: ISO / UN / BSW. The full profile insert can do machining of several pitches in a single pass, coupled with shanks of different length.
Saw Blade - SB

SB Series

By using our patented insert clamping design, YIH TROUN has developed indexable saw blade of thickness 1.0mm. The geometry design of insert can lead to effective chip evacuation and reduce heat generation during machining. End user can order inserts of various geometries and grades according to their machining requirements without the necessity to replace the cutter body. This dramatically reduces inventory cost of cutting tool stock. Diameter is from min. 50mm to max. 500mm (Tolerance 0.1mm). Patented indexable saw blades are developed by YIH TROUN, which has already effectively reduced machining cost for end user in over 61 countries and enhance their competitive advantage. Aided industries include aerospace, medical parts, electronics, traffic industry and nuclear industry, etc.
Saw Milling Cutter - SBL

SBL Series

Indexable saw milling cutter can not only save inventory cost of cutting tools, but also enhance the stability of cutter by center square positioning design, connection in cutter and holder, as wells as locking with 4 screws. Through the modular adaptor holder design, end user can use their current face milling arbor. Such kind of combined cutter has non-protruded flat bottom and will not cause the issue of interference with bottom. By using our patented insert clamping design, YIH TROUN has developed indexable saw blade of thickness 1.0mm. The geometry design of insert can lead to effective chip evacuation and reduce heat generation during machining. End user can order inserts of various geometries and grades according to their machining requirements without the necessity to replace the cutter body. Patented indexable saw blades are developed by YIH TROUN, which has already effectively reduced machining cost for end user in over 40 countries and enhance their competitive advantage. Aided industries include aerospace, medical parts, electronics, traffic industry and nuclear industry, etc.
Side Milling Cutter - STL

STL Series

Indexable side milling cutter exclusively used in slotting / cut off process. The uniquely-designed insert cutting edge is used for big slot width / deep groove or material which is hard for machining. In order to reduce machining resistance, it is designed in stagger teeth to fully improve machining resistance and thus maximize machining efficiency. Modular adaptor design can not only save inventory cost of cutting tools, but also enhance the stability of cutter by center square positioning design, connection in cutter and holder, as wells as locking with 4 screws. Through the modular adaptor holder design, end user can use their current face milling arbor. Such kind of combined cutter has non-protruded flat bottom and will not cause the issue of interference with bottom.
Side Milling Cutter - SCL

SCL Series

SCL side milling cutter with adaptor holder design can flexibly exchange different cutter thickness and outer diameter. It is not necessary to purchase another cutter only for a different cutter size. Unique design of insert cutting edge is used for big / deep groove or material which is hard for machining. In order to dramatically reduce machining resistance and thus maximize machining efficiency, insert will be staggered with stagger teeth.
Disc Milling Cutter - CEL

CEL Series

CEL disc milling cutter with adaptor holder design can flexibly exchange different cutter thickness and outer diameter. It is not necessary to purchase another cutter only for a different cutter size. Integral pre-harden steel cutter is equipped with three carbide inserts CNGX 1005 / 1305 / 1605 to increase your efficiency in heavy machining or roughing. Fully grinded G-grade insert provides higher machining precision and insert life as well as better chip evacuation. Special chip evacuation geometry on insert is able to effectively reduce machining resistance and machine loading during rapid material removal.
Back Milling Cutter - CWL

CWL Series

If it is desired to raise machining efficiency effectively regarding back milling or face milling, multi-cutting edge design of CWL milling cutter is able to raise your metal removal rate effectively. Integral pre-harden steel cutter is equipped with three carbide inserts CNGX 1005 / 1305 / 1605 to increase your efficiency in heavy machining or roughing. Fully grinded G-grade insert provides higher machining precision and insert life as well as better chip evacuation. Special chip evacuation geometry on insert is able to effectively reduce machining resistance and machine loading during rapid material removal. We designed three different insert geometries in connection with chip evacuation for different work piece material: E / ME / M E: In connection with machining of non-metal material ME: In connection with machining of material which is hard for machining or for machining of cast iron M: In connection with machining of steel
Side Milling Cutter - SC

SC Series

Indexable side milling cutter exclusively used for slotting / cut-off application. Its unique insert cutting edge design is used for small / large slot width, deep groove or material which is hard for machining. It can achieve maximum metal remove rate to maximize machining efficiency. Side milling cutters of entire series are equipped with original screws with patented design and keys imported from Swiss to enhance locking strength more efficiently to ensure tool life. In order to reduce machining resistance, they are staggered with staggered teeth. There are dimensions in metric units and imperial units available for cutter inner holes. Side milling cutter can be equipped with right-angled SNGX insert. In addition, SNGW corner radius insert developed by YIH TROUN includes multiple rounding required by customers: R0.4 / R0.8 / R1.2 / R1.6 / R2.0 / R2.5 / R3.0. Each insert has 4 cutting edges available. Convenient! Economical!
Side Milling Cutter - ST

ST Series

Indexable side milling cutter exclusively used for slotting. Its unique insert cutting edge design is used for large/ small groove width, deep groove or material which is hard for machining. It can dramatically reduce machining resistance to maximize machining efficiency. ST cutter is an integral T-design which is exclusively used for face milling arbor. Fully grinded G-grade insert brings better machining tolerance and surface finishing. Side milling cutters of entire series are equipped with patented designed original screws and keys imported from Swiss to effectively enhance locking strength and ensure tool life. In order to reduce machining force, inserts are staggered with staggered teeth. There are dimensions in metric units and imperial units available for cutter inner holes.
Disc Milling Cutter - CE

CE Series

Disc milling cutter CE can directly work with slot in big width and doesn't need several separate processes. Insert with staggered teeth design reduces effectively machining resistance as removing great amount of metal. Integral pre-harden steel cutter is equipped with three carbide inserts CNGX 1005 / 1305 / 1605 to increase your efficiency in heavy machining or roughing. Fully grinded G-grade insert provides higher machining precision and insert life as well as better chip evacuation. Special chip evacuation geometry on insert is able to effectively reduce machining resistance and machine loading during rapid material removal. In addition to customized dimension or cutter / insert design, YIH TROUN's professional R&D team is also engaged in production planning for many well renowned manufacturers and provides customized solution. Regarding chip evacuation for different work piece material, we design three different insert geometries: E / ME / M E: In connection with machining of non-metal material. ME: In connection with material which is hard for machining or machining of cast iron. M: In connection with machining of steel.
Disc Milling Cutter - CW

CW Series

Under sufficient machine horsepower, CW disc milling cutter can directly machine groove in big width and doesn't need several separate processes. Besides, solid CW disc milling cuter is also a good choice if you want to increase machining stability. Staggered teeth design of insert can effectively reduce machining resistance during removing great amount of metal. Integral pre-harden steel cutter is equipped with three carbide inserts CNGX 1005 / 1305 / 1605 to increase your efficiency in heavy machining or roughing. Fully grinded G-grade insert provides higher machining precision and insert life as well as better chip evacuation. Special chip evacuation geometry on insert is able to effectively reduce machining resistance and machine loading during rapid material removal. In addition to customized dimension or cutter / insert design, YIH TROUN's professional R&D team is also engaged in production planning for many well renowned manufacturers and provides customized solution. Regarding chip evacuation for different work piece material, we design three different insert geometries: E / ME / M E: In connection with machining of non-metal material. ME: In connection with material which is hard for machining or machining of cast iron. M: In connection with machining of steel.
Back Milling Cutter - CB

CB Series

YIH TROUN's back milling cutter is specifically designed to be used for machining on work piece bottom. Above all, reversing work piece repeatedly will need a lot of time for large work piece. Using back milling cutter can directly mill the back side of work piece. It can be also used for side milling and face machining. Its fine-teeth design increase machining efficiency.
Straddle Milling Cutter - CDL / CDR

CDL / CDR Series

In order to increase machining efficiency of mass production line, straddle milling cutter can mill required work piece dimension on both sides simultaneously. In addition to reducing two processes into one process, it can also improve the precision of work piece dimension.
Counter Bore for CNC Machine - CBI

CBI Series

Exclusive used for CNC machining center. Design of indexable counter bore with chamfering cutter integrates both counterbore and chamfering into one process. This not only reduces machining process, but also tool replacement time. Counterbore and chamfering shares the same insert, increase of insert inventory is thus no more needed. In addition to standard dimension in catalog, customization is also accepted.
Chamfer King - CI

CI Series

Indexable chamfering cutter exclusively designed for drilling machine and pneumatic tools. Patented carbide stripe design, even used on instable drilling machine, still has no burrs. Manufacturers don’t need to regrind cutting edge each time. They only need to replace inserts. Insert of high economical value of the same grade can apply to machining for all materials includes HARDOX. One insert has two cutting edges applicable and can apply to all working machines. For a cutting tool with such many functions, we call it "Chamfer king", Ø 4 - Ø 110, totally 4 angles: 60°, 90°, 100° and 120 ° are available.
Chamfer Milling Cutter for CNC Machine - C

C Series

Chamfer milling cutter for CNC of YIH TROUN C series can move vertical or horizontal linear movement on spindle for hole and edge chamfering, or for various chamfering by CNC with program. Two chamfer angles are 30° and 45°. Holder uses pre-harden steel material with higher strength and is equipped with screws and keys imported from Swiss. Tool life is thus raised comprehensively. G-grade grinded carbide insert has totally 3 sizes: XDGT 1203 (Edge length 12 mm) XDGT 1904 (Edge length 19 mm) XDGT 4004 (Edge length 40 mm) Among them, longest chamfering insert is 40mm with very long chamfer edge length. There will be no lapping mark generated during machining of big chamfer. Besides, there are 3 kinds of carbide grade and 3 insert geometries for machining of various work piece material.
Dual Chamfer Milling Cutter - MC / HMC

MC / HMC Series

Dual chamfer milling cutter for CNC is another good cutting tool to save your time and cost! 1. Save Time: Upper / lower chamfering can be done by the same cutting tool without tool replacement, e.g. hole inner chamfer or edge chamfer. 2. Save Cost: E grade grinded carbide insert has 4 applicable cutting edges. One insert is shared by 4 cutting edges, cost of single cutting edge is thus very economical. In case that deeper hole chamfer is required, there is also HMC screw-in design available. Length of the extension shank is up to 220mm. Hole diameter with min. chamfer starts from 11mm.
Corner Rounding Cutter - 15

15 Series

Indexable corner rounding cutter uses YIH TROUN 390 patented clamping structure. Customer can easily mount / unmount inserts and achieve very good center precision. We build very complete standard rounding inserts in stock: Radius R1 - R10. Customer doesn't need to customize corner rounding cutter every time, but only needs to buy standard rounding insert to replace with. This can save the inventory cost of cutting tools. Rounding machining doesn't need to use solid carbide tool by machining the radius in several paths slowly, but using carbide inserts let you achieve required radius specification at once. Inserts with different radius can share the same holder and there are holders with different length available. Grinded carbide insert can achieve very good surface finish.
Dovetail Milling Cutter - XD

XD Series

Indexable dovetail milling cutter allows you remove metal with high efficiency. Insert geometry design is effective for chip breaking and chip evacuation. It is more efficient and more economical than traditional solid or welded dovetail cutter. Using grinded G-grade coated carbide insert can achieve better surface finishing and greater cutting depth during machining. The cutter uses single insert design and doesn't need two inserts to splice next to each other. There is no issue of lapping mark.