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E-Z LOK Self Locking Thread Insert: Heavy Wall, M8-1.25 Int Thrd Sz, 1/2"-13 Ext Thrd Sz - Heavy Wall Self-Locking Inserts
E-Z LOKHeavy Wall Self-Locking Inserts

E-Z LOK Self Locking Thread Insert: Heavy Wall, M8-1.25 Int Thrd Sz, 1/2"-13 Ext Thrd Sz

The E-Z LOK Self Locking Thread Insert (Heavy Wall, SKU 653-8-PK5) is a M8-1.25 internal thread size insert with a 1/2"-13 external thread size, supplied in a 5-pack. It features a metric internal/UNC external thread…

SKU 3G-OTH-534131

Also listed as: 6538PK5 · 653 8 PK5

Brand
E-Z LOK
Item
Self Locking Thread Insert: Heavy Wall, M8-1.25 Int Thrd Sz, 1/2"-13 Ext Thrd Sz
Category
Heavy Wall Self-Locking Inserts
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

E-Z LOK
Manufacturer Part Number
653-8-PK5
Type
M8-1.25 Int Thrd Sz, 5 PK
Wall Type
Heavy Wall
Ext Thrd Sz
1/2"-13
Thread Type
Metric Internal/UNC External
Compatible Tap Size
1/2"-13
External Thread Fit
2A
Internal Thread Fit
2B
System of Measurement
Inch/Metric

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E-Z LOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The E-Z LOK Self Locking Thread Insert (Heavy Wall, SKU 653-8-PK5) is a M8-1.25 internal thread size insert with a 1/2"-13 external thread size, supplied in a 5-pack. It features a metric internal/UNC external thread type, 2A external thread fit, and 2B internal thread fit, compatible with a 1/2"-13 tap. This heavy-wall insert provides a reliable thread repair or reinforcement solution for inch/metric applications.

Frequently Asked Questions

What is the E-Z LOK Self Locking Thread Insert used for?

The E-Z LOK Self Locking Thread Insert repairs or reinforces damaged threads in metal assemblies. Its heavy-wall design provides a durable, vibration-resistant thread for applications requiring a metric internal thread (M8-1.25) with a UNC external thread (1/2\"-13). It is commonly used in industrial machinery, automotive, and equipment maintenance.

What are the specifications of the E-Z LOK 653-8-PK5 thread insert?

This heavy-wall insert has an M8-1.25 internal thread size and a 1/2\"-13 external thread size. It features a metric internal/UNC external thread type, 2A external thread fit, and 2B internal thread fit. The compatible tap size is 1/2\"-13. It is supplied in a 5-pack with manufacturer part number 653-8-PK5.

Where to buy E-Z LOK thread inserts worldwide?

3G Electric supplies E-Z LOK thread inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine E-Z LOK products, including the 653-8-PK5 heavy-wall insert, to your facility. Contact us for a quote and delivery options.

How to install an E-Z LOK heavy-wall thread insert?

To install, drill out the damaged thread to the recommended tap size (1/2\"-13 for this insert), then tap the hole. Use the E-Z LOK installation tool to drive the insert into the tapped hole until it is slightly below the surface. The insert's self-locking feature secures it without adhesives. Follow standard thread-repair practices.

E-Z LOK Products

3G Electric supplies E-Z LOK heavy wall self-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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