BT-Series-Morse-Taper-Adapter-Tool-Holder-MTA-Type-Hoshing

BT Series Morse Taper Adapter Tool Holder (MTA Type) - BT30/BT40/BT50/BT60

High-precision Morse taper adapters for BT spindles, compatible with MTA1-MTA6 taper shank tools (drills, reamers, taps), available in multiple lengths for drilling, reaming and tapping operations on CNC machining centers.
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Description

BT series Morse taper adapters are manufactured from high-strength alloy steel with overall vacuum quenching and precision grinding, the essential connecting accessories for mounting Morse taper shank tools on BT spindle CNC machining centers.
  1. High-precision machining ensures ≤0.005mm runout accuracy, delivering excellent concentricity between the tool and spindle.
  2. Standard Morse taper design provides reliable and firm clamping, preventing tool slippage during machining operations.
  3. Complete size range covers BT30, BT40, BT50 and BT60 spindle standards, compatible with MTA1 to MTA6 Morse taper shank tools.
  4. Multiple length options are available to meet different machining depth requirements and workpiece geometries.
  5. Standard 7/24 taper design is 100% compatible with all mainstream BT spindle CNC machine tools.
  6. Black oxide surface treatment provides excellent corrosion resistance and long-term durability in industrial environments.

Complete Specification Table (Unit: mm)

BT30 Series Morse Taper Adapters

Model L L1 L2 L3 D d1 d2 Clamping Range FIG Weight Price
BT30-MTA1-45 93.4 45 23 22 46 25 12.065 2-14 1 0.55KG
BT30-MTA1-120 168.4 120 98 22 46 25 12.065 2-14 2 0.85KG
BT30-MTA2-60 108.4 60 38 22 46 32 17.18 14-23 1 0.6KG
BT30-MTA2-120 168.4 120 98 22 46 32 17.18 14-23 2 0.9KG
BT30-MTA3-90 138.4 90 68 22 46 40 23.825 23-32 1 0.8KG
BT30-MTA3-135 183.4 135 113 22 46 40 23.825 23-32 2 1.0KG

BT40 Series Morse Taper Adapters

Model L L1 L2 L3 D d1 d2 Clamping Range FIG Weight Price
BT40-MTA1-45 110.4 45 18 27 63 25 12.065 2-14 1 1.05KG
BT40-MTA1-120 185.4 120 93 27 63 25 12.065 2-14 2 1.5KG
BT40-MTA2-45 110.4 45 18 27 63 32 17.18 14-23 1 1.1KG
BT40-MTA2-120 185.4 120 93 27 63 32 17.18 14-23 2 1.85KG
BT40-MTA2-180 245.4 180 153 27 63 32 17.18 14-23 2 2.0KG
BT40-MTA3-75 140.4 75 48 27 63 40 23.825 23-32 1 1.2KG
BT40-MTA3-135 200.4 135 108 27 63 40 23.825 23-32 2 1.9KG
BT40-MTA3-180 245.4 180 153 27 63 40 23.825 23-32 2 2.25KG
BT40-MTA4-90 155.4 90 63 27 63 48 31.267 32-50 1 1.4KG
BT40-MTA4-165 230.4 165 138 27 63 48 31.267 32-50 2 2.5KG

BT50 Series Morse Taper Adapters

Model L L1 L2 L3 D d1 d2 Clamping Range FIG Weight Price
BT50-MTA1-45 146.8 45 7 38 100 25 12.065 2-14 1 3.8KG
BT50-MTA1-120 221.8 120 82 38 100 25 12.065 2-14 2 4.3KG
BT50-MTA1-180 281.8 180 142 38 100 25 12.065 2-14 2 5.0KG
BT50-MTA1-200 301.8 200 162 38 100 25 12.065 2-14 2 5.2KG
BT50-MTA2-60 161.8 60 22 38 100 32 17.825 14-23 1 4.0KG
BT50-MTA2-135 236.8 135 97 38 100 32 17.825 14-23 2 4.7KG
BT50-MTA2-180 281.8 180 142 38 100 32 17.825 14-23 2 5.0KG
BT50-MTA2-200 301.8 200 162 38 100 32 17.825 14-23 2 5.2KG
BT50-MTA3-65 166.8 65 27 38 100 40 23.825 23-32 1 3.7KG
BT50-MTA3-75 176.8 75 37 38 100 40 23.825 23-32 1 3.8KG
BT50-MTA3-95 196.8 95 57 38 100 40 23.825 23-32 1 3.85KG
BT50-MTA3-150 251.8 150 112 38 100 40 23.825 23-32 2 5.0KG
BT50-MTA3-180 281.8 180 142 38 100 40 23.825 23-32 2 5.5KG
BT50-MTA3-200 301.8 200 162 38 100 40 23.825 23-32 2 6.0KG
BT50-MTA3-250 351.8 250 212 38 100 40 23.825 23-32 2 6.4KG
BT50-MTA3-300 401.8 300 262 38 100 40 23.825 23-32 2 6.8KG
BT50-MTA4-75 176.8 75 37 38 100 48 31.267 32-50 1 4.2KG
BT50-MTA4-95 196.8 95 57 38 100 48 31.267 32-50 1 4.4KG
BT50-MTA4-150 251.8 150 112 38 100 48 31.267 32-50 2 5.0KG
BT50-MTA4-180 281.8 180 142 38 100 48 31.267 32-50 2 5.5KG
BT50-MTA4-200 301.8 200 162 38 100 48 31.267 32-50 2 5.7KG
BT50-MTA4-250 351.8 250 212 38 100 48 31.267 32-50 2 6.55KG
BT50-MTA4-300 401.8 300 262 38 100 48 31.267 32-50 2 6.95KG
BT50-MTA5-105 206.8 105 67 38 100 65 44.399 50-75 1 4.0KG
BT50-MTA5-210 311.8 210 172 38 100 65 44.399 50-75 2 7.2KG
BT50-MTA5-300 401.8 300 262 38 100 65 44.399 50-75 2 10.5KG
BT50-MTA5-350 451.8 350 312 38 100 65 44.399 50-75 2 12.2KG
BT50-MTA6-200 301.8 200 162 38 100 85 63.348 75-100 1 5.2KG
BT50-MTA6-280 381.8 280 242 38 100 85 63.348 75-100 2 10.0KG

BT60 Series Morse Taper Adapters

Model L L1 L2 L3 D d1 d2 Clamping Range FIG Weight Price
BT60-MTA3-100 261.8 100 52 48 155 40 23.825 23-32 1
BT60-MTA3-190 351.8 190 142 48 155 40 23.825 23-32 2
BT60-MTA4-110 271.8 110 62 48 155 48 31.267 32-50 1
BT60-MTA4-210 371.8 210 162 48 155 48 31.267 32-50 2
BT60-MTA5-135 296.8 135 87 48 155 65 44.399 50-75 1
BT60-MTA5-240 401.8 240 192 48 155 65 44.399 50-75 2
BT60-MTA6-170 331.8 170 122 48 155 90 63.348 75-100 1
BT60-MTA6-310 471.8 310 262 48 155 90 63.348 75-100 2

Parameter Explanation

  • L/L1/L2/L3/D/d1/d2 : Overall and mounting dimensions (unit: mm), corresponding to the engineering drawings
  • Clamping Range : Maximum tool shank diameter range that the adapter can hold
  • FIG : Structural type identifier (1=standard short type, 2=extended long type)
  • Weight : Net weight per unit (unit: KG)
  • Model Naming :
    • BTXX: 7/24 taper spindle interface standard (BT30/BT40/BT50/BT60)
    • MTAY: Morse taper adapter type, Y indicates the Morse taper number (MTA1-MTA6)
    • ZZ: Total length of the tool holder (e.g., 120 = 120mm length)

Applications

CNC Machining

Ideal for CNC lathe, milling and machining center operations, ensuring high-precision dimensional control and reliable tool holding for mass production.

Quality Control Labs

Suitable for quality inspection departments and calibration labs, providing accurate measurement data to verify product compliance with ISO and industry standards.

Mold & Die Making

Perfect for mold and die workshops, where micron-level precision tools and gauges are essential for complex cavity machining and final inspection.

OEM/ODM Projects

Customizable solutions for OEM and ODM manufacturing partners, offering tailored measuring tools and CNC accessories to meet unique production requirements.

Automotive Manufacturing

Designed for automotive component production lines, ensuring consistent precision and durability in engine parts, transmission components and assembly processes.

Aerospace & Precision Engineering

Ideal for aerospace and defense manufacturing, where ultra-high precision instruments and reliable tool holders meet strict quality and safety requirements.

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