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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.

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Q & A

Result 1 - 13 of 13
  • How to reduce the machining cost in hole making

    In these days of recession, it is hard for many customers to get orders or profitable orders. Many of users try to find the cheap HSS tools to reduce the tool cost even though they understood the toollife and performance are poor. But if you calculate with more details together with performance and cost, you will notice cheap tools doesn’t really save the cost instead you pay even more. Usually, spot drill is used in Pre-drilling which makes a spot to bring drill in a right and precise position. The more precise the spot drill, the more accurate the pre-hole, which reduce the risk of drill wear-out and tap breakage problem. In general, people try to avoid the possibility of tap breakage in machining, because tapping is usually the last process of the work. Once the tap breaks, it takes time to remove the broken tap, and it may cause the risk of entire workpiece to be scrapped. A customer from Y.T. used to use the indexable spot drill from other brand, but because of the eccentric is too big which cannot effectively play the role of spot drill, on average, a batch of workpieces will break about 7 to 9 taps. After using our precise spot drill, an average batch of workpieces break 1 to 2 taps. The overall calculation of an indexable spot drill with a precise eccentricity can reduce the risk of drill wear and tap breakage, greatly reducing your tool costs and increasing machining efficiency. The following is a video of a customer's actual job. Even when making HRC42 harden steel, even if it is used on an unstable drilling machine, Y.T. carbide insert is still intact with good stability and speed. For the spot drill which is not accurate it has already brought chattering under this condition, it is impossible to drill deeper or faster and the workpiece are not possible by just holding by hand. Check the video https://www.youtube.com/watch?v=UrTM8c6Euss Y.T. indexbale spot drill insert are fully grinded which is made by the carbide powder imported from USA. An actual test result from customer in machining stainless steel can reach more than 10,000 holes, with full depth it can reach 2,000 holes in stainless steel, video: https://www.youtube.com/watch?v=7r55lAGY1ys In addition, there are 3 different angles for spot drill insert: 90° / 142° / 90° + 142°. The 90° spot drill is a multi-function application. In addition to spot, it can also be used for various functions such as chamfering / engraving / V-grooving. Economical indexable spot drill, changing carbide insert is cheaper than HSS spot drill, the full range of outer diameter is 8/10/12/16 mm, variety of sizes and length are on stock to meet various demands.


  • UFO thread milling insert _ partial and full profile

    Indexable full profile thread milling carbide insert we make it available with min. dia. 10mm with 4 teeth, 4 effective no. of teeth increases the productivity. HSS shank and carbide shank are both available for you in different machining situations. Partial profile thread milling insert is also available, this is a great solution for the user has different works with different pitches but less quantity, pitch 2 and pitch5 can be done by same insert!


  • Indexable Circlip and Radius insert

    UFO corner rounding (radius) and circlip insert Looking for alternative to HSS and solid carbide circlip and radius tool, we have indexable solution for you -UFO corner rounding (radius) insert For different O-Ring grooving size, you just simply need to change the carbide insert with dia.20 + R0.5/R0.75/R1.0/R1.25/R1.5/R2.0/R2.5/R3.0. Not necessary to go to customize tool anymore, any special radius or dia. is also available in customization. UFO corner rounding radius insert is designed with 6 teeth which provides great productivity. -UFO circlip insert For circlip grooving, we offer a great solution which you can finish the grooving and chamfer at the same time. It reduces not only one machining process but also reduce the problem with burrs when people assemble the circlip. Same shank for different corner rounding radius insert can also fit circlip insert. A great solution with indexable design, save cost, save time, save your inventory!


  • Y.T. mini taper polygon patented design

    Y.T. mini taper polygon patented design, Capacity: Polygon positioning design has a greater capacity for torque than any other positioning design, the load is generated over a generous area which assure the strength of the shaft. Multi Application: Tapered polygon design offers a simple connection with different inserts and applications. Center Positioning: Higher sitting accuracy with taper design enhance cutting speed and insert toollife. Available in different application of inserts: T-slot/ thread milling/ circlip/ radius/ dovetail/ double corner radius/ double chamfer/ concave


  • Full range of Y.T. indexable UFO T-slot cutter

    Whole series of T-slot cutter with patented taper polygon interface provide you the availability of accuracy, strong and easy changing!!


  • Customized indexable saw blade in dia. 600 mm

    Look at this amazing saw blade, just been delivered to custmer last week. INDEXABLE saw blade Dia.600 mm, economical and efficient!


  • Multi-functional Saw blades

    Multi-functional Saw blades thickness 1.4~ 5.5mm, dia.50~600 mm, same cutter can fit with different thickness inserts and different grades of insert for different materials, such as stainless steel, aluminum, steel, hardened steel ETC. … Indexable saw blade design provides a great flexibility, only the broken teeth need to be changed instead of changing the whole saw blade. Patented chip breaker design achieves great metal removal. Especially in deep depth cutting Y.T. saw blade can machine in deeper slot without doing it in many separate infeed depth.


  • ndexable UFO MILL

    Have problem with the accuracy of indexable insert? Check what solution Y.T. can offer you: UFO MILL, an indexable carbide head with precise corner radius!!! The little carbide head which has less expensive tool cost but with excellent accuracy and performance, an alternative to carbide insert and solid carbide end mill. One single insert reduce the tool tolerance and achieve great performance in milling. Available in different carbide head with radius: R0/ R0.5/ R1/R1.5/ R2


  • Chamfer king _ Y.T. indexable countersink max. dia. 110 mm

    Have you ever seen big dia. Countersink in INDEXABLE design?? Here you are!!! Y.T. Tools patented indexable countersink brings a cost effective solution for you, especially for the needs of big chamfering, carbide inserts with 2 cutting edges achieves not only in good toollife but also very convenient to customers to change the insert without removing the whole tool from machine. Long carbide insert with 40mm length brings more possibility in chamfering range. In addition to the standard milling shank, MTH morse taper shank is also available.


  • Chamfer king _ Y.T. indexable countersink

    How carbide insert works well in manual drilling machine? Check this interesting patent, we call it " CHAMFER KING"! An innovative design of indexable countersink which achieve excellent tool life and surface finishing in mannual drilling machine. Y.T. indexable countersink provides an economic solution for customers: 1. one single carbide insert has 2 cutting edges, you just need to simply change the insert from the shank without taking the whole HSS countersink from the machine. 2. German coating with carbide insert provides you excellent tool-life, reduce the tool changing time. 3. Universal carbide grade can be used for all different materials, ex: stainless steel, steel, steel, harden steel, aluminum, cast iron, titanium, Inconel 4. Full range of indexbale countersink: 60/ 90/ 120 degree, dia. 4-110mm, also available in morse taper shank type


  • How to put insert into the saw blade without any screwing facility?

    Y.T has a special key through which you can lock the insert into the saw blade.


  • What is the difference between two types of side milling cutter in the catalog?

    The main difference between SC and SCL cutter is that SCL has a holder BLL to use on the face milling arbor. Since the face milling arbor diameter is thick and short, it will provide better stability and tool-life. If the machining condition does not require using side-milling arbor, we recommend smaller diameter side milling cutter, because the diameter of the side milling arbor is small and long overhang resulting in high instability and higher horse power requirement while making deeper machining.


  • Does Y.T. have a T-slot for machining work-piece with more than HRC 40°?

    Y.T. has B100 special grade carbide insert, which is made of combination of rare material metal powder. We usually recommend this grade insert for customers using high HRC material, difficult machining material as well as customers expecting longer insert-life. Y.T. T-slot has standard stock starting from diameter 10mm and thickness 0.5mm to suit all customer requirements. Our new UFO 2 design cutter has minimum 10mm with 4 teeth. Small diameter with highest number of teeth is the best choice for machining with high efficiency.



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