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    Morse Taper Adapters and Holders - HSK, BT, SK Models by China Suppliers & Factory
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    Morse Taper Adapters and Holders - HSK, BT, SK Models by China Suppliers & Factory

    Discover our premium HSK-A-MTA Morse Taper Adapter, designed for precision and versatility in machining applications. Our BT-MTA and BT-MTB Morse Taper Holders provide exceptional stability and reliability, making them essential tools for any workshop. Additionally, the SK-MTA and SK-MTB Morse Taper Holders are crafted for superior performance while ensuring optimal fit and function. Each product is engineered with a focus on durability and efficiency. Don't forget to check out the MTB Tension Screw, an essential component for securing your taper holders. As a trusted supplier and manufacturer in China, our factory is dedicated to providing high-quality products that meet the demands of modern machining. Upgrade your tool collection today with our expertly designed Morse taper solutions!

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      Product Detail

      HSK-A-MTA Morse Taper Adapter

      HSK-A-MTA Morse Taper Adapter1HSK-A-MTA Morse Taper Adapter2
      Specification D d1 d2 L Weight
      HSK50A-MTA1-100 50 25 12.065 100 1.50
      HSK50A-MTA2-120 50 32 17.780 120 1.80
      HSK50A-MTA3-140 50 40 23.825 140 1.90
      HSK63A-MTA1-100 63 25 12.065 100 1.90
      HSK63A-MTA2-120 63 32 17.780 120 2.00
      HSK63A-MTA3-140 63 40 23.825 140 2.20
      HSK63A-MTA4-160 63 48 31.267 160 2.50
      HSK100A-MTA1-110 100 25 12.065 110 3.40
      HSK100A-MTA2-120 100 32 17.780 120 3.80
      HSK100A-MTA3-150 100 40 23.825 150 4.00
      HSK100A-MTA4-170 100 48 31.267 170 4.60
      HSK100A-MTA5-200 100 63 44.299 200 5.20

      BT-MTA Morse Taper Holder

      BT-MTA Morse Taper Holder-1BT-MTA Morse Taper Holder-2
      Specification MT.NO Figure D d1 d2 L Weight
      BT30-MTA1-45 1 A 46 25 12.065 45 0.55
      BT30-MTA1-105 1 B 46 25 12.065 105 0.80
      BT30-MTA2-60 2 A 46 32 17.780 60 0.60
      BT30-MTA2-120 2 B 46 32 17.780 120 0.90
      BT30-MTA3-80 3 A 46 40 23.825 80 0.80
      BT40-MTA1-45 1 A 63 25 12.065 45 1.05
      BT40-MTA1-120 1 B 63 25 12.065 120 1.28
      BT40-MTA2-50 2 A 63 32 17.780 50 1.00
      BT40-MTA2-120 2 B 63 32 17.780 120 1.41
      BT40-MTA3-70 3 A 63 40 23.825 70 1.13
      BT40-MTA3-135 3 B 63 40 23.825 135 1.75
      BT40-MTA4-95 4 A 63 48 31.267 95 1.35
      BT40-MTA4-165 4 B 63 48 31.267 165 2.30
      BT50-MTA1-45 1 A 100 25 12.065 45 3.59
      BT50-MTA1-120 1 B 100 25 12.065 120 3.88
      BT50-MTA1-180 1 B 100 25 12.065 180 4.12
      BT50-MTA2-60 2 A 100 32 17.780 60 3.64
      BT50-MTA2-135 2 B 100 32 17.780 135 4.17
      BT50-MTA2-180 2 B 100 32 17.780 180 4.39
      BT50-MTA3-65 3 A 100 40 23.825 65 3.60
      BT50-MTA3-150 3 B 100 40 23.825 150 4.40
      BT50-MTA3-180 3 B 100 40 23.825 180 4.73
      BT50-MTA4-95 4 A 100 48 31.267 95 3.88
      BT50-MTA4-180 4 B 100 48 31.267 180 5.00
      BT50-MTA5-105 5 A 100 63 44.399 105 3.74

      BT-MTB Morse Taper Holder

      BT-MTB Morse Taper Holder-1BT-MTB Morse Taper Holder-2
      Specification MT.NO Figure D d1 d2 L Tension Screw Range Weight
      BT30-MTB1-45 1 A 46 25 12.065 45 E060U160 Φ10-Φ14 0.55
      BT30-MTB2-60 2 B 46 32 17.780 60 BT30-45-MT2 Φ16-Φ22 0.60
      BT40-MTB1-45 1 A 63 25 12.065 45 E060U160 Φ10-Φ14 1.00
      BT40-MTB2-50 2 A 63 32 17.780 50 E100U300-MTB Φ16-Φ22 1.02
      BT40-MTB3-75 3 B 63 40 23.825 75 BT40-45-MT3 Φ24-Φ32 1.19
      BT40-MTB4-90 4 B 63 48 31.267 90 BT40-45-MT4 Φ32-Φ50 1.33
      BT50-MTB1-45 1 A 100 25 12.065 45 E060U250 Φ10-Φ14 3.30
      BT50-MTB2-45 2 A 100 32 17.780 45 E100U350 Φ16-Φ22 3.57
      BT50-MTB3-60 3 A 100 40 23.825 60 E120U400 Φ24-Φ32 3.61
      BT50-MTB4-75 4 A 100 50 31.267 75 E160U400-MTB Φ32-Φ50 3.68
      BT50-MTB5-120 5 B 100 70 44.399 120 BT50-45-MT5 Φ55-Φ60 4.10
      Notice: Long pull stud is included.

      SK-MTA Morse Taper Holder

      SK-MTA Morse Taper Holder-1SK-MTA Morse Taper Holder-2
      Specification MT.NO D d1 L Weight
      SK30-MTA1-50 1 50 25 50 0.42
      SK30-MTA2-50 2 50 32 50 0.50
      SK30-MTA3-80 3 50 40 80 0.60
      SK40-MTA1-50 1 63.55 25 50 0.95
      SK40-MTA2-50 2 63.55 32 50 1.00
      SK40-MTA3-70 3 63.55 40 70 1.13
      SK40-MTA4-95 4 63.55 48 95 1.35
      SK50-MTA1-45 1 97.5 25 45 3.59
      SK50-MTA2-60 2 97.5 32 60 3.63
      SK50-MTA3-65 3 97.5 40 65 3.65
      SK50-MTA4-95 4 97.5 48 95 3.88
      SK50-MTA5-105 5 97.5 63 105 3.74

      SK-MTB Morse Taper Holder

      SK-MTB Morse Taper Holder-1SK-MTB Morse Taper Holder-2
      Specification MT.NO D d1 d2 L Tension Screw Range Weight
      SK30-MTB1-50 1 50 25 12.065 50 E060U160 Φ10-Φ14 0.50
      SK30-MTB2-60 2 50 32 17.780 60 SK30-45-MT2 Φ16-Φ22 0.55
      SK30-MTB3-75 3 50 40 23.825 75 SK30-45-MT3 Φ24-Φ32 0.65
      SK40-MTB1-50 1 63.55 25 12.065 50 E060U160 Φ10-Φ14 0.95
      SK40-MTB2-50 2 63.55 32 17.780 50 E100U300-MTB Φ16-Φ22 1.00
      SK40-MTB3-70 3 63.55 40 23.825 75 SK40-45-MT3 Φ24-Φ32 1.13
      SK40-MTB4-95 4 63.55 48 31.267 90 SK40-45-MT4 Φ32-Φ50 1.35
      SK50-MTB1-45 1 97.5 25 12.065 45 E060U250 Φ10-Φ14 3.59
      SK50-MTB2-60 2 97.5 32 17.780 60 E100U350 Φ16-Φ22 3.64
      SK50-MTB3-65 3 97.5 40 23.825 65 E120U400 Φ24-Φ32 3.60
      SK50-MTB4-95 4 97.5 48 31.267 95 E160U400-MTB Φ32-Φ50 3.88
      SK50-MTB5-105 5 97.5 63 44.399 105 SK50-45-MT5 Φ55-Φ60 3.74
      Notice: Tension screw is included.

      MTB Tension Screw

      MTB Tension Screw1MTB Tension Screw2
      Specification Figure D d1 d2 d3 L1 L2 L θ G SW Weight
      BT30-45-MT2 A 16.5 11 7 12 23 18 105 45° M10 13 0.07
      BT40-45-MT3 A 23 15 10 17 35 28 110 45° M12 19 0.10
      BT40-45-MT4 A 23 15 10 17 35 28 110 45° M16 19 0.10
      BT50-45-MT5 A 38 23 17 25 45 35 165 45° M20 30 0.65
      SK30-15-MT2 B 17 13 9 13 24 19 105 15° M10 14 0.07
      SK40-15-MT3 B 23 19 14 17 26 20 100 15° M12 19 0.10
      SK40-15-MT4 B 23 16 14 17 26 20 100 15° M16 19 0.10
      SK50-15-MT5 B 36 28 21 25 34 25 145 15° M20 30 0.65

      Frequently Asked Questions

      Q What is the difference between MTA and MTB Morse Taper Holders?
      MTA (Morse Taper Adapter Type A) holders are designed for direct taper-to-taper connections without a tension screw, relying on the self-locking taper for retention. MTB (Morse Taper Holder Type B) holders include a tension screw mechanism that provides additional axial clamping force, improving rigidity and pull-out resistance during heavy-duty machining operations.
      Q What spindle interfaces are available for Morse Taper Holders?
      The Morse Taper Holders are available with multiple spindle interface types including HSK-A (HSK50A, HSK63A, HSK100A), BT (BT30, BT40, BT50), and SK (SK30, SK40, SK50) interfaces, covering a wide range of CNC machining center spindle standards to suit different machine tool requirements.
      Q What Morse Taper numbers (MT.NO) are supported?
      The product range supports Morse Taper numbers MT1 through MT5, accommodating tool shank diameters (d2) from 12.065 mm (MT1) up to 44.399 mm (MT5). This covers the most commonly used Morse Taper sizes for drills, reamers, and other taper-shank tooling in industrial machining applications.
      Q Is the tension screw included with MTB holders?
      Yes. All SK-MTB Morse Taper Holders are supplied with the corresponding tension screw included. For BT-MTB holders, a long pull stud is included with the product. The MTB Tension Screw product line also offers individual tension screws for replacement or customization needs, available in both 45° (Figure A, for BT spindles) and 15° (Figure B, for SK spindles) configurations.
      Q How do I select the correct Morse Taper Holder for my application?
      Selection should be based on three key parameters: (1) the spindle interface type and size of your machine tool (e.g., BT40, SK40, HSK63A); (2) the Morse Taper number of your cutting tool shank (MT1–MT5); and (3) the required gauge length (L) to achieve the correct tool projection for your workpiece. Refer to the specification tables above for matching d1, d2, and L values to your tooling requirements.
      Q What is the Figure A and Figure B designation in the BT-MTA specification table?
      Figure A and Figure B refer to different holder length configurations for the same Morse Taper number and spindle interface. Figure A typically denotes a shorter gauge length (compact design for standard reach applications), while Figure B denotes an extended gauge length for deeper bore or longer reach machining requirements. Both figures share the same taper interface and tool shank compatibility.

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