8 Inch 3-Jaw Lathe Chuck, Self-Centering Chuck, 4-200mm Clamping Range, with T-Key & Wrench, for Metalworking, Milling, Drilling, 3D Printer

8 Inch 3-Jaw Lathe Chuck, Self-Centering Chuck, 4-200mm Clamping Range, with T-Key & Wrench, for Metalworking, Milling, Drilling, 3D Printer

$151.43
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8 Inch 3-Jaw Lathe Chuck, Self-Centering Chuck, 4-200mm Clamping Range, with T-Key & Wrench, for Metalworking, Milling, Drilling, 3D Printer

8 Inch 3-Jaw Lathe Chuck, Self-Centering Chuck, 4-200mm Clamping Range, with T-Key & Wrench, for Metalworking, Milling, Drilling, 3D Printer

$151.43
  • 【Durable Construction】: Constructed from HT300 material with 20Cr steel jaws and 40Cr steel scroll; quenching hardened for superior hardness, rust resistance and reliable performance; designed for both small and large workpieces with a focus on longevity
  • 【Wide Clamping Range】: Offers a clamping range of 0.16-8 inches (4-200mm) accommodating diverse workpiece sizes; the jaws function as both internal and external jaws; capable of securing large-sized industrial components with precision and stability
  • 【Self-Centering Design】: Features a self-centering function with a bevel gear system for precise workpiece alignment; eliminates the need for repeated calibration; ensures accurate machining and reduces setup time for improved efficiency
  • 【High Precision Machining】: Engineered with a bearing tolerance of ≤0.05mm/0.002 inches; delivers exceptional structural stability and machining accuracy; three pinion gears enhance smooth and reliable operation; ideal for demanding applications
  • 【Complete Accessory Kit】: Includes a T-key and hexagon wrench for easy installation and operation; compatible with various lathes, milling machines, and drilling machines; simplifies the clamping process; suitable for metalworking, woodworking and 3D printing projects

Product details

Specifications

Brand

Unbranded

Has written warranty

No

Free Shipping

On all orders within the US

Premium Quality

Carefully selected office products

Secure Checkout

256-bit SSL encrypted payments

Frequently asked questions

What is your return policy?

We accept returns within 30 days of delivery for defective items, transit damage (report within 72 hours with photos), or wrong items received. We do not accept returns for change of mind. Email support@protoka.com with your order number and photos to initiate a return.

What payment methods do you accept?

We accept Visa, Mastercard, American Express, Discover, Diners Club, and Shop Pay. All payments are processed securely through Shopify Payments with 256-bit SSL encryption.

How long does shipping take?

Orders are processed within 0–1 business days (Monday–Saturday). Once shipped, standard delivery takes 2–3 business days. Total estimated delivery time is 2–4 business days from the date of purchase. You will receive a tracking number by email once your order ships.

Is my payment information secure?

Absolutely. Our store is powered by Shopify, which uses 256-bit SSL encryption and is Level 1 PCI DSS certified — the highest level of payment security available. We never store your full card details on our servers.

How do I contact you?

You can reach us by email at support@protoka.com or by phone at +1 (225) 667-4901, Monday–Saturday, 9:00 AM – 6:00 PM ET. We aim to respond to all inquiries within 1–2 business days.

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