Designed for precision and durability, the Oneway 4" 4-Jaw Lever Chuck Kit is an essential tool for woodturners seeking reliability and smooth performance. Known globally for their exceptional craftsmanship, Oneway chucks offer a secure, self-centering grip ideal for both square and round stock. This chuck features a rugged nickel-plated body, manganese phosphate coated scroll, and hardened base jaws, making it a long-lasting addition to any woodturning setup. 

Key Features

• 4-jaw self-centering chuck ideal for woodturning applications

• Nickel-plated body provides corrosion resistance and durability

• Hardened base jaws ensure long-lasting performance

• Manganese phosphate coated scroll for smooth operation and wear resistance

• Securely clamps both round and square stock with minimal setup

• Lever-operated for fast jaw movement and easy adjustment

• Compatible with 1" x 8 TPI threaded spindles

Specifications

• Chuck Diameter: 4 inches

• Thread Size: 1" x 8 TPI (1-8 UNC)

• Cutting Diameter: 4 inches

• Product Dimensions: 5 x 4 x 5 inches

• Weight: 3 pounds

• Material Finish: Nickel-plated body, manganese phosphate coated scroll

• Operation: Lever-style for manual jaw adjustment

• Made in Canada

Comes With

• Oneway 4-Jaw Chuck Body

• #2 Top Jaws (installed)

• 1½" Right-Hand Jumbo Screw

• 4mm Hex Key

Extra Jaws 
Model Holding Dimensions Minimum Maximum
# 1 Jaws B1821J1 (optional)

# 3 Jaw B1821J3 (optional)

Jumbo Jaws B1821JJ (optional)