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Dongguan Cangtian Hardware Machinery Co., LTD
KURATATools-Leading Manufacturer of High-Precision Clamping Systems

KURATATools-Leading Manufacturer of High-Precision Clamping Systems

KURATA Tools specializes in the R&D, production, and sales of high-precision clamping systems for CNC machine tools.

Home > Products > BT ER / GER Collet Tool Holders > BT Collet Holder
BT Collet Holder
  • BT Collet Holder

BT Collet Holder

The BT Collet Holder is a high-precision tool holding solution designed for secure and stable clamping of cutting tools in CNC machining operations. Also known as BT Tool Holder, BT Collet Chuck, BT CNC Tool Holder, and BT Shrink Fit Tool Holder, this versatile holder ensures accurate tool positioning, minimal runout, and consistent machining results.
  • Product Details

The BT Collet Holder is a high-precision tool holding solution designed for secure and stable clamping of cutting tools in CNC machining operations. Also known as BT Tool Holder, BT Collet Chuck, BT CNC Tool Holder, and BT Shrink Fit Tool Holder, this versatile holder ensures accurate tool positioning, minimal runout, and consistent machining results.

Our Precision BT Collet Holder is engineered for high-speed operations and is widely used in industries requiring tight tolerances and superior surface finishes, including aerospace, automotive, mold making, and general metalworking. Models such as BT40 ER32 Tool Holder, BT40 Collet, and BT40 Side Lock Holder provide flexible solutions for various tooling needs.

BT Collet Holder

Core Advantages

1. High Precision and Accuracy

The High-Precision BT Tool Holder is manufactured with tight tolerances to ensure minimal runout and concentricity, providing stable cutting even at high spindle speeds. This precision reduces tool vibration and improves machining efficiency.

2. Strong Clamping Force

Equipped with robust collet or side-lock mechanisms, the BT Collet Chuck provides secure tool retention. This ensures reliable clamping of tools, preventing slippage during heavy-duty or high-speed operations.

3. Superior Material Quality

Made from high-strength alloy steel and precision-hardened materials, the BT CNC Tool Holder is resistant to wear, corrosion, and deformation. Advanced surface treatments like precision grinding and coating improve durability and extend service life.

4. Versatile Compatibility

Compatible with a wide range of Collets including ER series, and models like BT40 ER32 Tool Holder and BT40 Side Lock Holder, this BT Collet Holder suits most CNC milling machines, machining centers, and tool setups.


Typical Applications

  • CNC Milling Machines – High-precision tool holding for automated machining.

  • CNC Lathes – Secure and stable tool retention for turning operations.

  • Mold & Die Manufacturing – Accurate positioning for mold components and dies.

  • Aerospace Component Machining – Reliable performance for critical aerospace parts.

  • Automotive Manufacturing – Precision machining of gears, shafts, and high-tolerance components.


Core Selling Points

  • Superior concentricity and minimal runout for high-speed CNC machining.

  • Robust clamping force with ER collets or side-lock mechanism.

  • Durable, hardened steel construction for long service life.

  • Wide compatibility with BT40 Collet, ER32 Tool Holder, and Side Lock Holder.

  • Precision-ground surfaces for stable, vibration-free operation.


Specifications

FeatureDescription
MaterialHigh-Strength Alloy Steel, Hardened & Ground
Collet CompatibilityER Series Collets (ER16, ER20, ER25, ER32, etc.)
BT TypeBT30 / BT40 / BT50
Mount TypeStandard BT Collet, Side Lock, Shrink Fit
Runout≤0.005mm (depending on model)
Max SpeedUp to 15,000 RPM (depending on collet size)
ApplicationsCNC Milling Machines, CNC Lathes, Precision Machining


Applications / Industries

  • CNC Machining & Tooling

  • Mold & Die Manufacturing

  • Aerospace Component Production

  • Automotive Industry

  • Industrial Metalworking

  • Precision Engineering


Comparison & Advantages

Compared with standard tool holders:

  • Higher precision and lower runout for improved machining quality.

  • Stronger clamping force ensures safer and more stable operation.

  • Durable material construction reduces downtime and maintenance.

  • Flexible compatibility with ER collets and side-lock systems for various BT tools.


Frequently Asked Questions (FAQ)

Q1: Which collets are compatible with this BT collet holder?
A1: It supports ER series collets, including ER16, ER20, ER25, and ER32.


Q2: Can the holder be used on both milling and turning machines?
A2: Yes, it is suitable for CNC milling machines, machining centers, and CNC lathes.


Q3: What materials are used in the BT tool holder?
A3: High-strength alloy steel, precision-hardened and ground for durability and stability.


Q4: What are the advantages of BT side lock holders?
A4: Side lock holders provide extra secure clamping for larger or heavy-duty tools, reducing slippage.


Q5: How do I ensure correct installation?
A5: Follow machine manufacturer guidelines, ensure proper collet seating, and check alignment to minimize runout.

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KURATA Tools specializes in the R&D, production, and sales of high-precision clamping systems for CNC machine tools.

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