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CT-MT variable diameter sleeve pull back type 1 2 3 4 5

Overview

CAT-MS high-power tool holders comply with ANSI/ASME B5.50 American standard (CAT taper). Adopting high-rigidity elastic clamping structure and precision balanced nut, this holder delivers 360° uniform clamping force, ultra-low runout and excellent vibration resistance. It is a reliable solution for heavy roughing and high-speed precision machining for American CNC machines.

Key Features

Strong & Stable Clamping: Full-slit elastic structure provides 360° uniform gripping force, no tool loosening under heavy cutting load.
High Precision: Strict manufacturing control ensures ultra-low runout, guaranteeing consistent machining accuracy and smooth surface finish.
High Rigidity & Durability: High-strength alloy steel with professional heat treatment ensures high hardness, wear resistance and long service life.
High-speed Friendly: Optimized balanced structure minimizes vibration, supporting stable long-term high-speed machining.

Technical Parameters

Runout Accuracy: ≤0.005mm
Dynamic Balance: G6.3 standard / G2.5 optional
Standard: ANSI/ASME B5.50 (CAT)

Applications

Widely applied in mold processing, alloy steel/stainless steel heavy milling, high-speed precision machining and long-overhang cutting, suitable for mass production and high-precision workshops.

Basic Specifications

Taper Shank: CAT30 / CAT40 / CAT50
Clamping Range: 3mm–20mm
Standard Length: 70L–150L (custom extended length available)
Applicable Machines: Haas, Fadal and other American standard CNC centers

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CT-MT variable diameter sleeve pull back type 1 2 3 4 5

型号Model	L(mm)	d1(mm)	d2(mm)
CAT40-MTA1-45	45	25	12.065
CAT40-MTA2-60	60	32	17.78
CAT40-MTA3-75	75	40	23.825
CAT40-MTA4-95	95	48	31.267
CAT50-MTA1-45	45	25	12.065
CAT50-MTA2-50	50	32	17.78
CAT50-MTA2-135	135	32	17.78
CAT50-MTA3-63	63	40	23.825
CAT50-MTA3-150	150	40	23.825
CAT50-MTA4-90	90	48	31.267
CAT50-MTA5-105	105	63	44.399