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E-Z LOK Self Locking Thread Insert: Heavy Wall, M4-0.70 Int Thrd Sz, M8-1.25 Ext Thrd Sz - Heavy Wall Self-Locking Inserts
E-Z LOKHeavy Wall Self-Locking Inserts

E-Z LOK Self Locking Thread Insert: Heavy Wall, M4-0.70 Int Thrd Sz, M8-1.25 Ext Thrd Sz

The E-Z LOK Self Locking Thread Insert is a heavy-wall metric insert (M4-0.70 internal thread size, M8-1.25 external thread size) supplied in a 10-pack (MPN 450-4-PK10). It features a 6G external thread fit and 6H…

SKU 3G-OTH-534127

Brand
E-Z LOK
Item
Self Locking Thread Insert: Heavy Wall, M4-0.70 Int Thrd Sz, M8-1.25 Ext Thrd Sz
Category
Heavy Wall Self-Locking Inserts
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Technical Specifications

E-Z LOK
Manufacturer Part Number
450-4-PK10
Type
M4-0.70 Int Thrd Sz, M8-1.25 Ext Thrd Sz, 10 PK
Wall Type
Heavy Wall
Thread Type
Metric
Compatible Tap Size
M8-1.25
External Thread Fit
6G
Internal Thread Fit
6H
System of Measurement
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 is a heavy-wall metric insert (M4-0.70 internal thread size, M8-1.25 external thread size) supplied in a 10-pack (MPN 450-4-PK10). It features a 6G external thread fit and 6H internal thread fit, with a compatible tap size of M8-1.25.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

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

E-Z LOK Self Locking Thread Inserts repair or reinforce stripped or worn internal threads in metal, plastic, or wood. The heavy-wall M4-0.70 insert provides a durable, vibration-resistant thread for industrial applications across machining, power transmission, and material handling.

What are the specifications of E-Z LOK 450-4-PK10?

The E-Z LOK 450-4-PK10 is a heavy-wall metric thread insert with M4-0.70 internal thread size and M8-1.25 external thread size. It has a 6H internal thread fit, 6G external thread fit, and requires an M8-1.25 tap. Supplied in a 10-pack.

Where to buy E-Z LOK thread inserts in 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 to your facility. Contact us for pricing and lead time on the 450-4-PK10 10-pack.

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

To install an E-Z LOK heavy wall insert, drill out the damaged thread to the recommended tap size (M8-1.25 for this insert), tap the hole, then use a standard installation tool to drive the insert until it is flush or slightly below the surface. No special adhesives are required.

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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E-Z LOK Self Locking Thread Insert: Heavy Wall, 1/2"-13 Int Thrd Sz, 3/4"-10 Ext Thrd Sz, 5 PK (MPN 329-8-PK5). Key specifications — Compatible Tap Size: 3/4"-10; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Heavy Wall; External Thread Fit: 2A.
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E-Z LOK Self Locking Thread Insert: Heavy Wall, 1/2"-20 Int Thrd Sz, 3/4"-10 Ext Thrd Sz, 5 PK (MPN 329-820-PK5). Key specifications — Compatible Tap Size: 3/4"-10; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: UNF Internal/UNC External; Wall Type: Heavy Wall; External Thread Fit: 2A.
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E-Z LOK Self Locking Thread Insert: Heavy Wall, 1/2"-20 Int Thrd Sz, 3/4"-10 Ext Thrd Sz, 5 PK (MPN 329-820-PK5). Key specifications — Compatible Tap Size: 3/4"-10; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: UNF Internal/UNC External; Wall Type: Heavy Wall; External Thread Fit: 2A.
E-Z LOK Self Locking Thread Insert: Heavy Wall, #10-32 Int Thrd Sz, M8-1.25 Ext Thrd Sz, Steel, 5 PK (MPN 550-1032 -PK5). Key specifications — Compatible Tap Size: M8-1.25; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: UNF Internal/Metric External; Wall Type: Heavy Wall; External Thread Fit: 2A.
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E-Z LOK Self Locking Thread Insert: Heavy Wall, #10-32 Int Thrd Sz, M8-1.25 Ext Thrd Sz, Steel, 5 PK (MPN 550-1032 -PK5). Key specifications — Compatible Tap Size: M8-1.25; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: UNF Internal/Metric External; Wall Type: Heavy Wall; External Thread Fit: 2A.
E-Z LOK Self Locking Thread Insert: Heavy Wall, M6-1.00 Int Thrd Sz, 3/8"-16 Ext Thrd Sz, 5 PK (MPN 653-6-PK5). Key specifications — Compatible Tap Size: 3/8"-16; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Metric Internal/UNC External; Wall Type: Heavy Wall; External Thread Fit: 2A.
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E-Z LOK Self Locking Thread Insert: Heavy Wall, 5/16"-18 Int Thrd Sz, 1/2"-13 Ext Thrd Sz, 5 PK (MPN 303-5-PK5). Key specifications — Compatible Tap Size: 1/2"-13; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Heavy Wall; External Thread Fit: 2A.
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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, 5 PK (MPN 653-8-PK5). Key specifications — Compatible Tap Size: 1/2"-13; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Metric Internal/UNC External; Wall Type: Heavy Wall; External Thread Fit: 2A.
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E-Z LOK Self Locking Thread Insert: Heavy Wall, M10-1.25 Int Thrd Sz, 9/16"-12 Ext Thrd Sz, 5 PK (MPN 653-10F-PK5). Key specifications — Compatible Tap Size: 9/16"-12; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Metric Internal/UNC External; Wall Type: Heavy Wall; External Thread Fit: 2A.
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E-Z LOK Self Locking Thread Insert: Heavy Wall, M10-1.25 Int Thrd Sz, 9/16"-12 Ext Thrd Sz, 5 PK (MPN 653-10F-PK5). Key specifications — Compatible Tap Size: 9/16"-12; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Metric Internal/UNC External; Wall Type: Heavy Wall; External Thread Fit: 2A.