Heavy Wall Self Locking Thread Insert, 5/16"-18 Int Thrd Sz, 18-8 Stainless Steel, 5 PK MPN:303-5-PK5
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In Stock
Free Shipping
In Stock
SKU
510-G1237187
Heavy Wall Self Locking Thread Insert, 5/16"-18 Int Thrd Sz, 18-8 Stainless Steel, 5 PK
E-Z LOK's Heavy Wall Self Locking Thread Insert is a reliable solution for metal applications requiring a secure thread. Compatible with 5/16in-18 internal threads, this insert provides a 2B internal thread fit and a 2A external thread fit, making it ideal for use in a variety of industries, including aerospace, automotive, and construction. The 18-8 stainless steel material ensures durability and resistance to corrosion. With a maximum hole diameter of 0.422 in and a minimum installation depth of 9/16 in, this insert provides a secure thread lock, reducing the risk of thread stripping and loosening.
Top product features:
- Self-locking thread insert provides a secure fit in metal materials.
- Compatible with metal materials for use in a variety of applications.
- Coarse thread type allows for high torque applications.
Top product applications:
- Heavy duty machinery components
- Automotive parts manufacturing
- Aerospace industry hardware
Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size 1/2 In.-13, Drill Bit Size 27/64 in, External Thread Fit 2A, External Thread Size 1/2 In.-13, Finish Plain, Insert Diameter 1/2 in, Internal Thread Fit 2B, Internal Thread Size 5/16 In.-18, Material Stainless Steel, Material Grade/Class 18-8, Maximum Hole Diameter 0.422 in, Minimum Installation Depth 9/16 in, Overall Length 31/64 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: 0.04
Product info last updated on January 18, 2026 2:43am UTC
Category: Threaded Inserts