SFI Ball Screw

SFI Ball Screw

Product descriptions

Custom Ball Screw Manufacturer

OEM Ball Screws Manufactured to Your Drawings or Samples

Rolled & Ground Ball Screws
C0–C7 Accuracy
8–100 mm Diameter
Custom Length up to 4000 mm
OEM / ODM Production
Bulk Orders Welcome
Factory Direct · CE /ISO 9001 · 100% Pre-Shipment Inspection

The SFI Series Linear Screw is the most common and standardized configuration of a ball screw assembly, characterized by its Single-Nut with Flange design. Classified under Linear Actuation Systems/Standard Drive Components, it is engineered as the general-purpose solution for industrial applications that require high efficiency and reliable, accurate linear motion.

The SFI Series Linear Screw (often designated as SFI Ball Screw or SFI Flange Nut) is a widely available model that is structurally focused on achieving zero backlash and high rigidity within a single, compact nut body.

SFI Series Product Highlights

Comprehensive Sizing Portfolio: Available in nominal shaft diameters ranging from compact 16 mm models up to heavy-duty 80 mm assemblies, providing load capacities and dimensional profiles suited for diverse industrial machinery.

Symmetrical Round Flange Geometry: Features a full-circle circular flange that distributes bolt clamping force evenly across the mounting face, facilitating straightforward integration and serving as a direct replacement in standard industrial machinery.

Bi-Directional Thread Availability: Standard assemblies are supplied in right-hand thread configurations, with left-hand (reverse-thread) options available for synchronized opposing-drive mechanisms, dual-axis actuators, and clamping systems.

Reliable Fulfillment & Packaging: Typical dispatch is completed within 5–7 business days, supported by export-grade protective packaging to ensure components arrive ready for immediate assembly.

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