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E-Z LOK Self Locking Thread Insert: Heavy Wall, 7/16"-20 Int Thrd Sz, 5/8"-11 Ext Thrd Sz - Heavy Wall Self-Locking Inserts
E-Z LOKHeavy Wall Self-Locking Inserts

E-Z LOK Self Locking Thread Insert: Heavy Wall, 7/16"-20 Int Thrd Sz, 5/8"-11 Ext Thrd Sz

The E-Z LOK Self Locking Thread Insert is a heavy-wall, inch-system insert with a 7/16"-20 UNF internal thread and a 5/8"-11 UNC external thread, supplied in a 5-pack (MPN 303-720-PK5). It features a 2A external…

SKU 3G-OTH-534199

Brand
E-Z LOK
Item
Self Locking Thread Insert: Heavy Wall, 7/16"-20 Int Thrd Sz, 5/8"-11 Ext Thrd Sz
Category
Heavy Wall Self-Locking Inserts
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Technical Specifications

E-Z LOK
Manufacturer Part Number
303-720-PK5
Type
5 PK
Wall Type
Heavy Wall
Ext Thrd Sz
5/8"-11
Int Thrd Sz
7/16"-20
Thread Type
UNF Internal/UNC External
Compatible Tap Size
5/8"-11
External Thread Fit
2A
Internal Thread Fit
2B
System of Measurement
Inch
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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, inch-system insert with a 7/16"-20 UNF internal thread and a 5/8"-11 UNC external thread, supplied in a 5-pack (MPN 303-720-PK5). It features a 2A external thread fit and a 2B internal thread fit, and is compatible with a 5/8"-11 tap. 3G Electric interprets customer demand and delivers this genuine industrial insert across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

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 threads in metal or plastic. The heavy-wall design provides extra strength for demanding applications. 3G Electric supplies this genuine insert across 14 industrial departments, with specialist depth in combustion, pumps and controls.

What are the specifications of E-Z LOK 303-720-PK5?

The E-Z LOK 303-720-PK5 is a 5-pack of heavy-wall thread inserts with a 7/16"-20 UNF internal thread and a 5/8"-11 UNC external thread. It requires a 5/8"-11 tap, has a 2A external fit and 2B internal fit, and is inch-system. 3G Electric sources this genuine insert worldwide.

Where to buy E-Z LOK thread inserts worldwide?

3G Electric supplies E-Z LOK thread inserts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we interpret your demand and deliver genuine parts across 14 departments. Contact us for availability and lead time on this 303-720-PK5 5-pack.

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

Install E-Z LOK heavy wall inserts by tapping a hole to 5/8"-11 UNC, then driving the insert into the tapped hole using the appropriate installation tool. The self-locking feature secures the insert without adhesives. 3G Electric can advise on tooling and best practices for your application.

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, 5/16"-24 Int Thrd Sz, 1/2"-13 Ext Thrd Sz, 10 PK (MPN 329-524-PK10). Key specifications — Compatible Tap Size: 1/2"-13; 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, 5/16"-24 Int Thrd Sz, 1/2"-13 Ext Thrd Sz, 10 PK (MPN 329-524-PK10). Key specifications — Compatible Tap Size: 1/2"-13; 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, 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"-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.
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
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, 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.
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, 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.
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.
E-Z LOK
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.
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.