Tanged Helical Insert, Screw-Locking, 1/4"-28 Thrd Sz, 18-8 Stainless Steel, 500 PK MPN:3591-4CNW500S
Tanged Helical Insert, Screw-Locking, 1/4"-28 Thrd Sz, 18-8 Stainless Steel, 500 PK
Elevate your fastening game with Stanley's 1/4in-28 Tanged Helical Insert, perfect for metal applications where reliability and strength are paramount. This screw-locking insert provides a secure hold in metal surfaces, ensuring your projects stay together under heavy loads. The 18-8 stainless steel construction withstands corrosion and wear, making it ideal for use in harsh environments. Use in aerospace, automotive, and industrial manufacturing to take advantage of its high tensile strength, fine thread, and right-hand thread direction. With a lead time of 56 days and a minimum order quantity of 1, you can stock up on these essential fasteners and keep your projects on track.
Top product features:
- Tanged design for easy installation and removal
- Screw-locking mechanism for secure fastening
- Made of 18-8 stainless steel for corrosion resistance and durability
Top product applications:
- Machine building and manufacturing
- Automotive repair and maintenance
- Aerospace engineering and fabrication
Helical Insert, Helical Insert Type Screw-Locking, System of Measurement Inch, Overall Length 1/2 in, Thread Size 1/4 In.-28, Thread Direction Right Hand, Thread Type Fine, Material Stainless Steel, Material Grade/Class 18-8, Finish Dry Film Lubricant, Tang Style Tanged, Compatible Material Metal, Compatible Tap Size 1/4 In.-28, Drill Bit Size G, Maximum Hole Diameter Not Applicable, Tensile Strength 200,000 to 250,000 psi, Outside Diameter 0.33 in, Manufacturer Location Made in USA
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 56 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 15.50
- Package Width: 15.50
- Package Height: 0.80
- Package Weight: 2.10
Product info last updated on February 22, 2026 5:50pm UTC
Category: Threaded Inserts