Heavy Wall Self Locking Thread Insert, 1/4"-20 Int Thrd Sz, 18-8 Stainless Steel, 5 PK MPN:303-4-PK5
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In Stock
Free Shipping
In Stock
SKU
510-G1462334
Heavy Wall Self Locking Thread Insert, 1/4"-20 Int Thrd Sz, 18-8 Stainless Steel, 5 PK
E-Z LOK's Heavy Wall Self Locking Thread Insert is a reliable solution for threaded connections in metal applications. This 18-8 stainless steel insert provides a secure and durable fit in 1/4in-20 internal threads, with a maximum hole diameter of 0.368 inches. The self-locking design ensures a tight seal, even in high-vibration environments. Suitable for use in industries such as aerospace, automotive, and industrial manufacturing, this insert is ideal for applications where threaded connections are subject to heavy loads or stress. Its corrosion-resistant properties and easy installation make it a valuable addition to any metalworking project.
Top product features:
- Self-locking thread insert provides a secure fit in metal materials
- Compatible with 7/16 In.-14 tap size
- Internal thread size is 1/4 In.-20 for a precise fit
Top product applications:
- Machine parts assembly
- Automotive engine components
- Aerospace hardware assembly
Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size 7/16 In.-14, Drill Bit Size U, External Thread Fit 2A, External Thread Size 7/16 In.-14, Finish Plain, Insert Diameter 7/16 in, Internal Thread Fit 2B, Internal Thread Size 1/4 In.-20, Material Stainless Steel, Material Grade/Class 18-8, Maximum Hole Diameter 0.368 in, Minimum Installation Depth 1/2 in, Overall Length 7/16 in, System of Measurement Inch, Thread Direction Right Hand, Thread Type Coarse
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: 0.50
- Package Height: 0.50
- Package Weight: 0.05
Product info last updated on February 27, 2026 10:42am UTC
Category: Threaded Inserts