S-2221N12 Threadless Lead Screw Nuts

Key Features & Benefits at a Glance

• Smooth, low-friction operation with 6 ball bearings ensuring consistent linear motion and extended component life
• Precise 0.1" travel per turn for accurate positioning and repeatable control in automation and machinery
• Lightweight yet durable aluminum construction providing excellent strength-to-weight ratio and corrosion resistance
• High 30 lbs thrust capacity before slip, delivering reliable performance under significant axial loads
• Integrated thrust adjustment bolts for fine-tuning preload and eliminating backlash in your assembly
• Wide operating temperature range from -10° to 180° F, ensuring stable performance in varied industrial environments
• Easy integration with standard 10-32 UNF threaded mounting holes for straightforward installation

Professional Applications & Engineering Value

This threadless lead screw nut is engineered for demanding linear motion systems where precision and reliability are critical. The two-piece construction with ball bearing design minimizes friction and wear, solving common issues of backlash and inconsistent movement in CNC equipment, 3D printers, and automated positioning tables. The aluminum body provides a lightweight solution that reduces inertia while maintaining structural integrity. Thrust adjustment bolts allow engineers to fine-tune the assembly, ensuring zero play and optimal force distribution. This component is ideal for applications requiring smooth, controlled travel on a 3/8" shaft, even in environments with temperature fluctuations.

Specification Summary & Compliance

This nut features precision 10-32 UNF mounting holes with standard inch system measurements. The two-piece construction and lubricated design ensure consistent performance. Manufactured to industry standards for linear motion components, it complies with relevant material and safety specifications for industrial use.