Tanged Helical Insert, Free-Running, 1/4"-28 Thrd Sz, 18-8 Stainless Steel, 100 PK MPN:A1191-4CN375
Tanged Helical Insert, Free-Running, 1/4"-28 Thrd Sz, 18-8 Stainless Steel, 100 PK
This 1/4in-28 Tanged Helical Insert from Stanley is a reliable solution for applications requiring high-strength fastening in metal. Made from 18-8 stainless steel, it offers excellent corrosion resistance and a Rockwell hardness of C43-C50. The free-running design allows for easy installation, while the tanged style provides a secure fit. With a tensile strength of 200,000 to 250,000 psi, it's ideal for use in a variety of industries, including aerospace, automotive, and manufacturing. This insert is perfect for applications where high torque and vibration resistance are required, such as in engine mounts, gearboxes, and other heavy-duty machinery.
Top product features:
- Tanged design allows for easy installation and removal of the insert
- Helical shape provides a strong and secure thread engagement
- 18-8 stainless steel construction offers high tensile strength and resistance to corrosion
Top product applications:
- Machine parts and components
- Automotive parts and accessories
- Aerospace components
Helical Insert, Helical Insert Type Free-Running, System of Measurement Inch, Overall Length 3/8 in, Thread Size 1/4 In.-28, Thread Direction Right Hand, Thread Type Fine, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, 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 0.32 in, Manufacturer Location Made in USA, Rockwell Hardness C43-C50
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 4.00
- Package Width: 3.70
- Package Height: 2.00
- Package Weight: 0.23
Product info last updated on February 23, 2026 4:08pm UTC
Category: Threaded Inserts