HURON Lathe Chuck Jaw Nut: 1.5 mm X 60° Serrated
The HURON SB21A2JN is a lathe chuck jaw nut designed for 21 to 24 inch chuck diameters. It features a 1.5 mm X 60° serrated grip and an M20 thread size. This component is manufactured by HURON under part number SB21A2JN.
SKU 3G-OTH-187204
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Product Description
The HURON SB21A2JN is a lathe chuck jaw nut designed for 21 to 24 inch chuck diameters. It features a 1.5 mm X 60° serrated grip and an M20 thread size. This component is manufactured by HURON under part number SB21A2JN.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the HURON SB21A2JN lathe chuck jaw nut used for?
The HURON SB21A2JN is a replacement jaw nut for lathe chucks with 21 to 24 inch diameters. It secures the top jaws to the chuck body, enabling precise gripping of workpieces during turning operations. The 1.5 mm X 60° serrated grip ensures positive engagement with matching jaw serrations.
What are the specifications of the HURON SB21A2JN jaw nut?
The HURON SB21A2JN has an M20 thread size and a 1.5 mm X 60° serrated grip pattern. It is designed for use with 21 to 24 inch diameter lathe chucks. The manufacturer part number is SB21A2JN, and it is produced by HURON.
Where to buy HURON SB21A2JN jaw nuts worldwide?
3G Electric supplies the HURON SB21A2JN jaw nut worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time; we source and deliver this HURON component to any international destination.
How to select the correct HURON jaw nut for a lathe chuck?
To select the correct HURON jaw nut, match the thread size (M20 for SB21A2JN) and serration pitch (1.5 mm X 60°) to your chuck's jaw specifications. Also verify the chuck diameter range (21 to 24 inches). Using the wrong nut can cause poor grip or damage. Consult your chuck manual or contact 3G Electric for guidance.
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3G Electric supplies HURON lathe chuck jaw nuts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













