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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 with M4-0.70 internal thread size and M8-1.25 external thread size, supplied in a 5-pack (MPN 453-4-PK5). It features a compatible tap size of…

SKU 3G-OTH-534126

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
453-4-PK5
Type
M4-0.70 Int Thrd Sz, M8-1.25 Ext Thrd Sz, 5 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 with M4-0.70 internal thread size and M8-1.25 external thread size, supplied in a 5-pack (MPN 453-4-PK5). It features a compatible tap size of M8-1.25, internal thread fit of 6H, and external thread fit of 6G.

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 assemblies. The heavy-wall M4-0.70 internal thread insert provides a permanent, vibration-resistant thread for demanding industrial applications across machining, power transmission, and material handling equipment.

What are the specifications of E-Z LOK 453-4-PK5 thread insert?

The E-Z LOK 453-4-PK5 is a heavy-wall metric thread insert with M4-0.70 internal thread size and M8-1.25 external thread size. It has a compatible tap size of M8-1.25, internal thread fit of 6H, and external thread fit of 6G. Supplied in a 5-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, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 453-4-PK5 heavy-wall insert pack.

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

Install E-Z LOK heavy wall inserts by drilling to the recommended tap size (M8-1.25 for this insert), tapping the hole, then driving the insert using a standard installation tool. Ensure the insert is flush or slightly below the surface. Use thread locker for added security in high-vibration environments.

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, M12-1.75 Int Thrd Sz, M16-2.00 Ext Thrd Sz, 5 PK (MPN 453-12-PK5). Key specifications — Compatible Tap Size: M16-2.00; Internal Thread Fit: 6H; System of Measurement: Metric; Thread Type: Metric; Wall Type: Heavy Wall; Drill Bit Size: 14 mm; External Thread Fit: 6G.
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E-Z LOK Self Locking Thread Insert: Heavy Wall, M12-1.75 Int Thrd Sz, M16-2.00 Ext Thrd Sz, 5 PK (MPN 453-12-PK5). Key specifications — Compatible Tap Size: M16-2.00; Internal Thread Fit: 6H; System of Measurement: Metric; Thread Type: Metric; Wall Type: Heavy Wall; Drill Bit Size: 14 mm; External Thread Fit: 6G.
E-Z LOK Self Locking Thread Insert: Heavy Wall, 5/16"-18 Int Thrd Sz, M12-1.75 Ext Thrd Sz, 5 PK (MPN 550-5-PK5). Key specifications — Compatible Tap Size: M12-1.75; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: UNC Internal/Metric 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, M12-1.75 Ext Thrd Sz, 5 PK (MPN 550-5-PK5). Key specifications — Compatible Tap Size: M12-1.75; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: UNC Internal/Metric External; Wall Type: Heavy Wall; External Thread Fit: 2A.
E-Z LOK Self Locking Thread Insert: Heavy Wall, 5/8"-18 Int Thrd Sz, 7/8"-9 Ext Thrd Sz, Steel, 5 PK (MPN 329-10F-PK5). Key specifications — Compatible Tap Size: 7/8"-9; 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, 5/8"-18 Int Thrd Sz, 7/8"-9 Ext Thrd Sz, Steel, 5 PK (MPN 329-10F-PK5). Key specifications — Compatible Tap Size: 7/8"-9; 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, #8-32 Int Thrd Sz, M8-1.25 Ext Thrd Sz, Steel, 5 PK (MPN 550-008-PK5). Key specifications — Compatible Tap Size: M8-1.25; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: UNC Internal/Metric External; Wall Type: Heavy Wall; External Thread Fit: 2A.
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E-Z LOK Self Locking Thread Insert: Heavy Wall, #8-32 Int Thrd Sz, M8-1.25 Ext Thrd Sz, Steel, 5 PK (MPN 550-008-PK5). Key specifications — Compatible Tap Size: M8-1.25; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: UNC Internal/Metric External; Wall Type: Heavy Wall; External Thread Fit: 2A.
E-Z LOK Self Locking Thread Insert: Heavy Wall, M10-1.50 Int Thrd Sz, M16-2.00 Ext Thrd Sz, 5 PK (MPN 453-10-PK5). Key specifications — Compatible Tap Size: M16-2.00; Internal Thread Fit: 6H; System of Measurement: Metric; Thread Type: Metric; Wall Type: Heavy Wall; Drill Bit Size: 14 mm; External Thread Fit: 6G.
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E-Z LOK Self Locking Thread Insert: Heavy Wall, M10-1.50 Int Thrd Sz, M16-2.00 Ext Thrd Sz, 5 PK (MPN 453-10-PK5). Key specifications — Compatible Tap Size: M16-2.00; Internal Thread Fit: 6H; System of Measurement: Metric; Thread Type: Metric; Wall Type: Heavy Wall; Drill Bit Size: 14 mm; External Thread Fit: 6G.
E-Z LOK Self Locking Thread Insert: Heavy Wall, #10-24 Int Thrd Sz, 3/8"-16 Ext Thrd Sz, Plain, 5 PK (MPN 303-3-PK5). Key specifications — Compatible Tap Size: 3/8"-16; 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 303-820-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, M16-2.00 Int Thrd Sz, 1"-8 Ext Thrd Sz, Steel, 5 PK (MPN 650-16-PK5). Key specifications — Compatible Tap Size: #1-8; 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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