6061 Aluminum Slotted Step Threaded Insert CNC Machined Locking Thread Bushing

Our CNC-machined slotted aluminum threaded insert is engineered for high-precision thread reinforcement and locking applications, solving common challenges like thread stripping, loose fasteners, and inconsistent fit. Made from high-strength 6061-T6 aluminum, this step-style threaded insert features precision-machined internal threads, an internal locking slot, and a stepped outer profile for secure alignment and installation. The natural anodized surface provides excellent corrosion resistance, while tight tolerance machining ensures accurate thread pitch, dimensional stability, and reliable performance in demanding environments. Designed to distribute load evenly and prevent thread damage, this aluminum thread bushing is suitable for permanent or semi-permanent installations in various assemblies. As a professional manufacturer, we offer this standard insert or fully customized versions tailored to your specifications, with OEM and custom services available to meet unique application requirements.

• Thread reinforcement in soft materials (aluminum, plastic, wood)
• Assembly locking and anti-loosening applications
• Automotive and industrial equipment fastener reinforcement
• Electronics and appliance component assembly
• Aerospace and precision machinery assemblies
• Furniture and cabinetry hardware reinforcement
• Custom OEM machinery and equipment components

As a professional manufacturer of CNC precision machined threaded inserts and bushings, we offer comprehensive custom solutions to meet your unique requirements:

• Custom Dimensions: Modify length, outer diameter, inner thread size, and step profile to match your application.
• Custom Thread Specifications: Choose from metric, unified, pipe, or custom thread profiles, including fine pitch or special locking threads.
• Custom Slot Designs: Adjust slot size, position, or quantity for specialized locking or installation needs.
• Custom Materials & Finishes: Select alternative aluminum alloys, brass, or stainless steel, with options for colored anodizing, plating, or passivation.
• OEM & ODM Services: Support full custom design from your drawings or samples, including prototyping, small batch, and high-volume production runs.

• High-Precision Thread Fit: CNC-machined internal threads ensure accurate pitch and alignment, eliminating cross-threading and ensuring secure fastener engagement.
• Anti-Loosening Performance: The internal locking slot creates controlled interference, preventing fasteners from vibrating loose in high-vibration environments.
• Thread Reinforcement: Distributes load evenly across soft or damaged base materials, preventing thread stripping and extending the life of assemblies.
• Corrosion & Wear Resistance: Natural anodized aluminum surface provides excellent protection against rust, oxidation, and wear, ideal for long-term use in industrial environments.
• Secure Step Installation: The stepped outer profile ensures proper alignment and seating during installation, eliminating misalignment and uneven load distribution.
• Customizable to Your Exact Needs: Our custom service lets you modify dimensions, thread types, and features to solve unique assembly challenges not met by standard inserts.

We maintain strict quality standards at every stage of production to ensure consistent, reliable performance:

• Raw Material Inspection: Verify 6061-T6 aluminum material composition and quality before processing.
• CNC Machining Checks: In-process dimensional inspections using precision measuring tools to ensure compliance with tolerance requirements.
• Thread & Slot Verification: Inspect internal thread pitch, fit, and slot dimensions to ensure proper locking and fastener compatibility.
• Surface Treatment Quality: Confirm uniform anodized finish, free of defects, scratches, or contamination.
• Final Inspection: Full visual and dimensional inspection, including thread fit testing, dimensional accuracy checks, and surface finish verification.
• Packaging & Documentation: Secure packaging to prevent damage during shipping, with quality control documentation available for bulk orders.