Product Description
Industrial‑grade triple‑grip drill chuck with MT3–JT3 taper, 3/16"–3/4" clamping range, and 0.005" accuracy. Ideal for drill presses, CNC machines, and lathes.
Overview
This super heavy‑duty drill chuck is engineered for precision machining, metalworking, and industrial drilling applications. Built from hardened 40Cr steel and treated for high tooth hardness, it delivers long service life, stable clamping, and reliable performance under high‑strength workloads.
Key Features
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Clamping Range: 3/16" – 3/4"
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Accuracy: 0.005"
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Material: Hardened 40Cr steel
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Triple‑grip claw design for secure holding
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High tooth hardness for heavy‑duty operations
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MT3–JT3 taper compatibility
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Includes chuck key for smooth gear rotation
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Suitable for drill presses, CNC machines, and lathes
Use Cases
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Precision drilling on CNC machines
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Lathe spindle operations
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Drill press upgrades
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Metal fabrication workshops
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Industrial machining and tooling setups
Compatibility
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Fits MT3 spindle and JT3 taper arbor
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Works with standard drill presses, lathes, and CNC machines
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Compatible with keyed chuck systems
Benefits / Why Choose This Model
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High‑strength 40Cr steel for long service life
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Triple‑grip claws ensure stable, slip‑free clamping
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Precision‑machined for 0.005" accuracy
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Ideal for heavy‑duty, high‑torque drilling
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Smooth operation with included chuck key
FAQ
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What is the clamping range? → 3/16" to 3/4"
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Does it include a chuck key? → Yes
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Is it suitable for CNC machines? → Yes, with MT3–JT3 compatibility
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What is the accuracy? → 0.005"
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What material is it made of? → Hardened 40Cr steel
Technical Specs
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Clamping Range: 3/16" – 3/4"
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Accuracy: 0.005"
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Material: 40Cr hardened steel
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Taper: MT3 (input) to JT3 (output)
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Chuck Type: Keyed triple‑grip
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Surface Treatment: Anti‑wear hardening
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Net Weight: ~4.2 lbs (1.9 kg)
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Model Number: MT3–JT3 Heavy‑Duty Chuck
Warranty Information
6‑month warranty covering manufacturing defects.
Shipping Information
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Box Dimensions: 8" × 4" × 4"
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Package Weight: ~4.2 lbs (1.9 kg)
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Includes: Drill chuck + chuck key
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Shipping Class: Machine tool accessory
Who This Is For
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CNC machinists
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Metalworkers
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Lathe operators
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Fabrication shops
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Industrial tool users
End‑of‑Page Summary
Heavy‑duty MT3–JT3 drill chuck with triple‑grip claws, hardened steel construction, and 0.005" precision. Perfect for CNC machines, lathes, and drill presses.
