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TDC-TDCW Slot Milling Cutters from China Suppliers and Factory - Ideal for Precision Slotting Applications
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TDC-TDCW Slot Milling Cutters from China Suppliers and Factory - Ideal for Precision Slotting Applications

Discover our high-performance TDC Slot Milling Cutter, designed for precision and efficiency in metalworking. The TDCW Slot Milling Cutter offers enhanced features for a superior cutting experience. Our GDC Indexable Side Cutter for Slotting, along with the SDC and CDC Indexable Side Cutters, are perfect for various slotting applications, ensuring optimal results. Additionally, our WDC Indexable Side Cutter for Slotting provides reliability and versatility in your machining processes. As a leading factory and suppliers in China, we are committed to delivering top-quality tooling solutions that meet the demands of modern manufacturing.

    TDC Slot Milling Cutter DEREK

    TDC Slot Milling Cutter-1TDC Slot Milling Cutter-2
    Specification Teeth D d L1 L Insert Insert screw Wrench Weight
    TDC-C25-32-150-3T 3 32 25 50 150 TD16 M040S100-1 Q15B 0.80
    TDC-C32-40-150-3T 3 40 32 50 150 TD16 M040S100-1 Q15B 0.90
    Suitable: DEREK Insert

    TDCW Slot Milling Cutter DEREK

    TDCW Slot Milling Cutter-1TDCW Slot Milling Cutter-2
    Specification Teeth D d H Insert Insert screw Wrench Weight
    TDCW-50-22-6T 6 50 22 50 TD16 M040S100-1 Q15B 0.30
    TDCW-63-55-8T 8 63 22 50 TD16 M040S100-1 Q15B 0.50
    TDCW-80-27-10T 10 80 27 50 TD16 M040S100-1 Q20B 1.10
    Suitable: DEREK Insert
    ⚠️ Notice: TDC / TDCW cutting depth and width as per below insert data.
    Fig Specification S B R Composition Stock Processed material P M K
    TDCW Slot Milling Cutter-3 TD16-100 1 2.3 0.1 CP5220 P
    Steel
    M
    Stainless steel
    K
    Cast iron
    TD16-110 1.1 2.3 0.1 CP5220
    TD16-130 1.3 2.1 0.1 CP5220
    TD16-150 1.5 2.5 0.1 CP5220
    TD16-160 1.6 2.5 0.1 CP5220
    TD16-185 1.85 2.5 0.1 CP5220
    TD16-200 2 2.5 0.1 CP5220
    TD16-215 2.15 2.7 0.2 CP5220
    TD16-250 2.5 2.5 0.2 CP5220
    TD16-265 2.65 2.7 0.2 CP5220
    TD16-300 3 2.8 0.2 CP5220
    TD16-315 3.15 3 0.2 CP5220
    TD16-320 3.2 3 0.2 CP5220
    ▲ Excellent (Instock)     △ Good (Instock)     〇 On Request

    GDC Indexable Side Cutter For Slotting DEREK

    GDC Indexable Side Cutter For Slotting-1GDC Indexable Side Cutter For Slotting-2
    Specification Teeth D d d1 d2 b L Tmax Insert Insert screw Wrench Weight
    GDC-80-04B-22 10 80 22 45 28 4 40 16.5 SNFH1125 M030D035-90 Q08B 0.50
    GDC-80-05B-22 10 80 22 45 28 5 40 16.5 SNFH1135 M030D043-90 Q08B 0.50
    GDC-80-06B-22 8 80 22 45 28 6 40 16.5 SNFH1235 M040D050-90 Q15B 0.55
    GDC-80-07B-22 9 80 22 45 28 7 40 16.5 SNFH1235 M040D050-90 Q15B 0.57
    GDC-80-08B-22 9 80 22 45 28 8 40 16.5 SNFH1235 M040D050-90 Q15B 0.70
    GDC-80-09B-22 8 80 22 45 28 9 40 16.5 SNFH1255 M040D082-90 Q15B 0.60
    GDC-80-10B-22 8 80 22 45 28 10 40 16.5 SNFH1255 M040D082-90 Q15B 0.62
    GDC-80-12B-22 8 80 22 45 28 12 40 16.5 SNFH1275 M040D110-90 Q15B 0.66
    GDC-80-14B-22 9 80 22 45 28 14 40 16.5 SNFH1275 M040D110-90 Q15B 0.70
    GDC-100-04B-27 12 100 27 50 34 4 40 24 SNFH1125 M030D035-90 Q08B 0.67
    GDC-100-05B-27 12 100 27 50 34 5 40 24 SNFH1135 M030D043-90 Q08B 0.70
    GDC-100-06B-27 10 100 27 50 34 6 40 24 SNFH1235 M040D050-90 Q15B 0.73
    GDC-100-07B-27 9 100 27 50 34 7 40 24 SNFH1235 M040D050-90 Q15B 0.76
    GDC-100-08B-27 9 100 27 50 34 8 40 24 SNFH1235 M040D050-90 Q15B 0.80
    GDC-100-09B-27 10 100 27 50 34 9 40 24 SNFH1255 M040D082-90 Q15B 0.84
    GDC-100-10B-27 10 100 27 50 34 10 40 24 SNFH1255 M040D082-90 Q15B 0.88
    GDC-100-12B-27 10 100 27 50 34 12 40 24 SNFH1275 M040D110-90 Q15B 0.92
    GDC-100-14B-27 9 100 27 50 34 14 40 24 SNFH1275 M040D110-90 Q15B 0.98
    GDC-125-04B-32 14 125 32 70 43 4 45 26.5 SNFH1125 M030D035-90 Q08B 1.30
    GDC-125-05B-32 14 125 32 70 43 5 45 26.5 SNFH1135 M030D043-90 Q08B 1.40
    GDC-125-06B-32 12 125 32 70 43 6 45 26.5 SNFH1235 M040D050-90 Q15B 1.45
    GDC-125-07B-32 12 125 32 70 43 7 45 26.5 SNFH1235 M040D050-90 Q15B 1.50
    GDC-125-08B-32 12 125 32 70 43 8 45 26.5 SNFH1235 M040D050-90 Q15B 1.55
    GDC-125-09B-32 12 125 32 70 43 9 45 26.5 SNFH1255 M040D082-90 Q15B 1.60
    GDC-125-10B-32 12 125 32 70 43 10 45 26.5 SNFH1255 M040D082-90 Q15B 1.65
    GDC-125-12B-32 12 125 32 70 43 12 45 26.5 SNFH1275 M040D110-90 Q15B 1.75
    GDC-125-14B-32 12 125 32 70 43 14 45 26.5 SNFH1275 M040D110-90 Q15B 1.85
    GDC-160-06B-40 16 160 40 80 52 6 50 39 SNFH1235 M040D050-90 Q15B 2.60
    GDC-160-07B-40 15 160 40 80 52 7 50 39 SNFH1235 M040D050-90 Q15B 2.80
    GDC-160-08B-40 15 160 40 80 52 8 50 39 SNFH1235 M040D050-90 Q15B 3.00
    GDC-160-09B-40 16 160 40 80 52 9 50 39 SNFH1255 M040D082-90 Q15B 3.20
    GDC-160-10B-40 16 160 40 80 52 10 50 39 SNFH1255 M040D082-90 Q15B 3.40
    GDC-160-12B-40 16 160 40 80 52 12 50 39 SNFH1275 M040D110-90 Q15B 3.60
    GDC-160-14B-40 15 160 40 80 52 14 50 39 SNFH1275 M040D110-90 Q15B 3.80
    Suitable: DEREK Insert

    SDC Indexable Side Cutter For Slotting DEREK

    SDC Indexable Side Cutter For Slotting-1SDC Indexable Side Cutter For Slotting-2
    Specification Teeth D d d1 b L Tmax Insert Insert screw Wrench Weight
    SDC-63-04B-22 8 63 22 34 4 8 12 SNFH1125 M030D035-90 Q08B 0.27
    SDC-63-05B-22 8 63 22 34 5 8 12 SNFH1135 M030D043-90 Q08B 0.28
    SDC-63-06B-22 6 63 22 34 6 8 12 SNFH1235 M040D050-90 Q15B 0.28
    SDC-80-04B-22 10 80 22 34 4 8 19 SNFH1125 M030D035-90 Q08B 0.31
    SDC-80-05B-22 10 80 22 34 5 8 19 SNFH1135 M030D043-90 Q08B 0.44
    SDC-80-06B-22 8 80 22 34 6 8 19 SNFH1235 M040D050-90 Q15B 0.35
    SDC-100-04B-27 12 100 27 41 4 12 25 SNFH1125 M030D035-90 Q08B 0.38
    SDC-100-05B-27 12 100 27 41 5 12 25 SNFH1135 M030D043-90 Q08B 0.44
    SDC-100-06B-27 10 100 27 41 6 12 25 SNFH1235 M040D050-90 Q15B 0.46
    SDC-100-08B-27 9 100 27 41 8 12 25 SNFH1235 M040D050-90 Q15B 0.54
    SDC-100-10B-27 10 100 27 41 10 12 25 SNFH1255 M040D082-90 Q15B 0.65
    SDC-100-12B-27 10 100 27 41 12 12 25 SNFH1275 M040D110-90 Q15B 0.75
    SDC-125-06B-32 12 125 32 47 6 12 35 SNFH1235 M040D050-90 Q15B 0.69
    SDC-125-08B-32 12 125 32 47 8 12 35 SNFH1235 M040D050-90 Q15B 0.81
    SDC-125-10B-32 12 125 32 47 10 12 35 SNFH1255 M040D082-90 Q15B 0.94
    SDC-125-12B-32 12 125 32 47 12 12 35 SNFH1275 M040D110-90 Q15B 1.05
    SDC-125-14B-32 12 125 32 47 14 16 35 SNFH1275 M040D110-90 Q15B 1.20
    SDC-160-06B-40 16 160 40 55 6 12 49 SNFH1235 M040D050-90 Q15B 1.04
    SDC-160-08B-40 15 160 40 55 8 12 49 SNFH1235 M040D050-90 Q15B 1.28
    SDC-160-10B-40 16 160 40 55 10 12 49 SNFH1255 M040D082-90 Q15B 1.50
    SDC-160-12B-40 16 160 40 55 12 12 49 SNFH1275 M040D110-90 Q15B 1.70
    SDC-160-14B-40 15 160 40 55 14 16 49 SNFH1275 M040D110-90 Q15B 1.90
    Suitable: DEREK Insert

    CDC Indexable Side Cutter For Slotting DEREK

    CDC Indexable Side Cutter For Slotting-1CDC Indexable Side Cutter For Slotting-2
    Specification Teeth D d d1 d2 b L Tmax Insert Insert screw Wrench Weight
    CDC-80-06B-22 8 80 22 45 18 6 40 16.5 SPMT050204 M020W050 Q06R 0.68
    CDC-80-07B-22 8 80 22 45 18 7 40 16.5 SPMT050204 M020W050 Q06R 0.70
    CDC-80-08B-22 8 80 22 45 18 8 40 16.5 SPMT060204 M022W050 Q06R 0.73
    CDC-80-09B-22 8 80 22 45 18 9 40 16.5 SPMT060204 M022W050 Q06R 0.75
    CDC-80-10B-22 8 80 22 45 18 10 40 16.5 SPMT060204 M022W050 Q06R 0.80
    CDC-80-11B-22 8 80 22 45 18 11 40 16.5 SPMT07T308 M025W060 Q06R 0.85
    CDC-80-12B-22 8 80 22 45 18 12 40 16.5 SPMT07T308 M025W060 Q06R 0.90
    CDC-100-06B-27 10 100 27 50 19 6 40 24 SPMT050204 M020W050 Q06R 0.90
    CDC-100-07B-27 10 100 27 50 19 7 40 24 SPMT050204 M020W050 Q06R 0.93
    CDC-100-08B-27 10 100 27 50 19 8 40 24 SPMT060204 M022W050 Q06R 0.96
    CDC-100-09B-27 10 100 27 50 19 9 40 24 SPMT060204 M022W050 Q06R 1.00
    CDC-100-10B-27 10 100 27 50 19 10 40 24 SPMT060204 M022W050 Q06R 1.03
    CDC-100-11B-27 10 100 27 50 19 11 40 24 SPMT07T308 M025W060 Q08B 1.05
    CDC-100-12B-27 10 100 27 50 19 12 40 24 SPMT07T308 M025W060 Q08B 1.10
    CDC-100-14B-27 10 100 27 50 19 14 40 24 SPMT090408 M035W090 Q15B 1.30
    CDC-100-16B-27 10 100 27 50 19 16 40 24 SPMT090408 M035W090 Q15B 1.50
    CDC-125-06B-32 12 125 32 70 43 6 45 26.5 SPMT050204 M020W050 Q06R 1.50
    CDC-125-07B-32 12 125 32 70 43 7 45 26.5 SPMT050204 M020W050 Q06R 1.55
    CDC-125-08B-32 12 125 32 70 43 8 45 26.5 SPMT060204 M022W050 Q06R 1.60
    CDC-125-10B-32 12 125 32 70 43 10 45 26.5 SPMT060204 M022W050 Q06R 1.70
    CDC-125-11B-32 12 125 32 70 43 11 45 26.5 SPMT07T308 M025W060 Q08B 1.70
    CDC-125-12B-32 12 125 32 70 43 12 45 26.5 SPMT07T308 M025W060 Q08B 1.70
    CDC-125-14B-32 12 125 32 70 43 14 45 26.5 SPMT090408 M035W090 Q15B 1.75
    CDC-125-16B-32 12 125 32 70 43 16 45 26.5 SPMT090408 M035W090 Q15B 1.80
    CDC-125-18B-32 10 125 32 70 43 18 45 26.5 SPMT110408 M040W090 Q15B 1.85
    CDC-125-20B-32 10 125 32 70 43 20 45 26.5 SPMT110408 M040W090 Q15B 2.00
    CDC-125-25B-32 10 125 32 70 43 25 45 26.5 SPMT140512 M050Y110-1 Q20B 2.50
    CDC-160-11B-40 16 160 40 80 52 11 50 39 SPMT07T308 M025W060 Q08B 2.60
    CDC-160-12B-40 16 160 40 80 52 12 50 39 SPMT07T308 M025W060 Q08B 2.70
    CDC-160-14B-40 16 160 40 80 52 14 50 39 SPMT090408 M035W090 Q15B 2.80
    CDC-160-16B-40 16 160 40 80 52 16 50 39 SPMT090408 M035W090 Q15B 2.90
    CDC-160-18B-40 12 160 40 80 52 18 50 39 SPMT110408 M040W090 Q15B 2.90
    CDC-160-20B-40 12 160 40 80 52 20 50 39 SPMT110408 M040W090 Q15B 3.20
    CDC-160-25B-40 12 160 40 80 52 25 50 39 SPMT140512 M050Y110-1 Q20B 3.50
    CDC-200-14B-40 18 200 40 52 14 50 54 SPMT090408 M035W090 Q15B 4.20
    CDC-200-16B-40 18 200 40 90 52 16 50 54 SPMT090408 M035W090 Q15B 4.50
    CDC-200-18B-40 14 200 40 90 52 18 50 54 SPMT110408 M040W090 Q15B 4.90
    CDC-200-20B-40 14 200 40 90 52 20 50 54 SPMT110408 M040W090 Q15B 5.20
    CDC-200-25B-40 14 200 40 90 52 25 50 54 SPMT140512 M050Y110-1 Q20B 5.50
    Suitable: DEREK Insert

    WDC Indexable Side Cutter For Slotting DEREK

    WDC Indexable Side Cutter For Slotting-1WDC Indexable Side Cutter For Slotting-2
    Specification Teeth D d d1 b L Tmax Insert Insert screw Wrench Weight
    WDC-80-06B-22 8 80 22 34 6 12 19 SPMT050204 M020W050 Q06R 0.29
    WDC-80-07B-22 8 80 22 34 7 12 19 SPMT050204 M020W050 Q06R 0.30
    WDC-80-08B-22 8 80 22 34 8 12 19 SPMT060204 M022W050 Q06R 0.32
    WDC-80-09B-22 8 80 22 34 9 12 19 SPMT060204 M022W050 Q06R 0.35
    WDC-80-10B-22 8 80 22 34 10 12 19 SPMT060204 M022W050 Q06R 0.38
    WDC-80-11B-22 8 80 22 34 11 12 19 SPMT07T308 M025W060 Q08B 0.39
    WDC-80-12B-22 8 80 22 34 12 12 19 SPMT07T308 M025W060 Q08B 0.42
    WDC-100-06B-27 10 100 27 41 6 12 25 SPMT050204 M020W050 Q06R 0.50
    WDC-100-07B-27 10 100 27 41 7 12 25 SPMT050204 M020W050 Q06R 0.52
    WDC-100-08B-27 10 100 27 41 8 12 25 SPMT060204 M022W050 Q06R 0.54
    WDC-100-09B-27 10 100 27 41 9 12 25 SPMT060204 M022W050 Q06R 0.60
    WDC-100-10B-27 10 100 27 41 10 12 25 SPMT060204 M022W050 Q08B 0.65
    WDC-100-11B-27 10 100 27 41 11 12 25 SPMT07T308 M025W060 Q08B 0.70
    WDC-100-12B-27 10 100 27 41 12 12 25 SPMT07T308 M025W060 Q08B 0.75
    WDC-100-14B-27 10 100 27 41 14 16 25 SPMT090408 M035W090 Q15B 0.85
    WDC-100-16B-27 10 100 27 41 16 16 25 SPMT090408 M035W090 Q15B 0.88
    WDC-125-06B-32 12 125 32 47 6 12 35 SPMT050204 M020W050 Q06R 0.70
    WDC-125-07B-32 12 125 32 47 7 12 35 SPMT050204 M020W050 Q06R 0.75
    WDC-125-08B-32 12 125 32 47 8 12 35 SPMT060204 M022W050 Q06R 0.80
    WDC-125-10B-32 12 125 32 47 10 12 35 SPMT060204 M022W050 Q06R 0.88
    WDC-125-11B-32 12 125 32 47 11 12 35 SPMT07T308 M025W060 Q08B 0.93
    WDC-125-12B-32 12 125 32 47 12 12 35 SPMT07T308 M025W060 Q08B 0.98
    WDC-125-14B-32 12 125 32 47 14 16 35 SPMT090408 M035W090 Q15B 1.00
    WDC-125-16B-32 12 125 32 47 16 16 35 SPMT090408 M035W090 Q15B 1.18
    WDC-125-18B-32 10 125 32 47 18 20 35 SPMT110408 M040W090 Q15B 1.30
    WDC-125-20B-32 10 125 32 47 20 20 35 SPMT110408 M040W090 Q15B 1.45
    WDC-125-25B-32 10 125 32 47 25 25 35 SPMT140512 M050Y110-1 Q20B 1.70
    WDC-160-11B-40 16 160 40 55 11 12 49 SPMT07T308 M025W060 Q08B 1.65
    WDC-160-12B-40 16 160 40 55 12 12 49 SPMT07T308 M025W060 Q08B 1.70
    WDC-160-14B-40 16 160 40 55 14 16 49 SPMT090408 M035W090 Q15B 1.85
    WDC-160-16B-40 16 160 40 55 16 16 49 SPMT090408 M035W090 Q15B 2.10
    WDC-160-18B-40 12 160 40 55 18 20 49 SPMT110408 M040W090 Q15B 2.50
    WDC-160-20B-40 12 160 40 55 20 20 49 SPMT110408 M040W090 Q15B 2.80
    WDC-160-25B-40 12 160 40 55 25 25 49 SPMT140512 M050Y110-1 Q20B 3.00
    WDC-200-14B-40 18 200 40 55 14 16 69 SPMT090408 M035W090 Q15B 3.00
    WDC-200-16B-40 18 200 40 55 16 16 69 SPMT090408 M035W090 Q15B 3.20
    WDC-200-18B-40 14 200 40 55 18 20 69 SPMT110408 M040W090 Q15B 3.60
    WDC-200-20B-40 14 200 40 55 20 20 69 SPMT110408 M040W090 Q15B 4.10
    WDC-200-25B-40 14 200 40 55 25 25 69 SPMT140512 M050Y110-1 Q20B 4.60
    Suitable: DEREK Insert

    Frequently Asked Questions

    Q What is the difference between TDC and TDCW slot milling cutters?
    The TDC is a shank-type slot milling cutter designed for use with arbor shanks (C25, C32), making it suitable for deep-reach slotting applications. The TDCW is a disc-type (wheel-style) slot milling cutter with a bore hole mounting, available in larger diameters (50mm–80mm) and higher tooth counts, making it ideal for wider slotting operations on milling machines. Both series use the same TD16 insert and accessories.
    Q What insert grade is recommended for the TDC / TDCW slot milling cutters?
    The TDC and TDCW slot milling cutters are designed to use DEREK TD16 series inserts with grade CP5220. This grade is suitable for machining steel (P), stainless steel (M), and cast iron (K). All TD16 inserts listed are marked as "Excellent (In Stock)" (▲), ensuring fast delivery and reliable availability.
    Q What materials can the GDC, SDC, CDC, and WDC indexable side cutters process?
    All DEREK indexable side cutters in the GDC, SDC, CDC, and WDC series are compatible with DEREK SNFH and SPMT series inserts, which are designed to machine a wide range of materials including carbon steel, alloy steel, stainless steel, and cast iron. Please refer to the insert selection chart to match the correct insert to your workpiece material.
    Q How do I select the correct side cutter model for my slotting application?
    To select the correct model, consider the following parameters: outer diameter (D), bore diameter (d), slot width (b), maximum cutting depth (Tmax), and the number of teeth. For example, if you need to cut a 10mm-wide slot on a 100mm-diameter workpiece, you would look for a model with b=10 and D=100, such as GDC-100-10B-27 or SDC-100-10B-27, depending on your machine setup and required cutting depth.
    Q What is the difference between GDC, SDC, CDC, and WDC side cutters?
    GDC and SDC series use SNFH-type inserts and are optimized for standard slotting tasks with a wide range of slot widths (4mm–14mm). CDC and WDC series use SPMT-type inserts and offer broader slot width coverage (6mm–25mm), making them suitable for heavier-duty slotting operations. The CDC features a larger d2 (hub diameter) compared to WDC, providing greater rigidity for larger diameter cutters (up to Ø200mm).
    Q Are replacement inserts and screws readily available for DEREK slot milling cutters?
    Yes. All insert screws and wrenches listed in the specification tables (such as M030D035-90, M040D050-90, M020W050, etc.) are standard DEREK accessories and are available as separate spare parts. DEREK maintains stock of all TD16 series inserts (grade CP5220) and SNFH/SPMT series inserts to ensure minimal downtime for your machining operations.

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