SFT Ball Screw

SFT Series Ball Screw with Flange Nut

The SFT Series Ball Screw is a compact linear motion drive component engineered to convert rotary motion into precise, highly efficient linear travel. Featuring a single flanged nut with an internal end-plug ball recirculation structure, the SFT Series delivers smooth ball return within a streamlined outer envelope. This design is well-suited for industrial automation, precision feeding mechanisms, rotary indexing systems, CNC machinery, and automated assembly equipment.

Custom OEM & Industrial Manufacturing
Yongrun Precision Machinery offers comprehensive custom ball screw manufacturing tailored for OEM and industrial clients. Assemblies can be produced in accordance with customer blueprints, physical samples, or technical specifications, with options for custom screw diameters, lead pitches, overall shaft lengths, and specialized end-journal machining (e.g., standard BK/BF or custom support interfaces).

Key Specifications

Product Series: SFT Series precision ball screw with flanged nut
Recirculation System: End-plug internal ball recirculation for smooth, compact motion
Shaft Diameter Range: 8 mm to 100 mm
Custom Lengths: Single-piece lengths customizable up to 4,000 mm
Manufacturing Processes: Precision-rolled and precision-ground options available
Accuracy Classes: Graded to application requirements (e.g., standard C7, precision C5, C3)
Shaft-End Machining: Tailored end-machining per customer drawings (BK/BF, EK/EF, FK/FF compatible)
OEM / ODM Services: Full custom production based on technical blueprints, CAD files, or samples
Order Flexibility: Supports prototyping, small-batch trials, and high-volume production runs

Why Source SFT Ball Screws from Yongrun?
Factory-Direct Supply: Source directly from a dedicated ball screw manufacturer, ensuring direct technical communication, stable supply schedules, and competitive factory-level pricing for OEM requirements.
Custom-Engineered Manufacturing: We produce ball screws tailored precisely to your application, utilizing customer-supplied CAD blueprints, physical samples, or custom technical specifications.
Comprehensive Specification Range: We evaluate and configure varied shaft diameters, specialized leads, tailored overall lengths, and precision end-machining profiles to match your machine design.
Pre-Production Engineering Review: Our technical team assists with drawing verification, load/speed evaluations, and tolerance confirmations prior to quotation and manufacturing.
Dedicated OEM/ODM Services: We provide flexible OEM and ODM manufacturing partnerships for machine tool builders, automation system integrators, equipment distributors, and industrial OEMs.
Scalable Volume Capacity: Our production lines accommodate both specialized small-batch custom projects and high-volume recurring industrial orders.

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