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E-Z LOK Heavy Wall Self-Locking Thread Insert - Heavy Wall Self-Locking Inserts
E-Z LOKHeavy Wall Self-Locking Inserts

E-Z LOK Heavy Wall Self-Locking Thread Insert

The E-Z LOK Self Locking Thread Insert is a heavy-wall, inch-system insert with a #8-32 internal thread size and a 5/16"-18 external thread size, supplied in a 5-pack. It features a coarse thread type, 2A external…

SKU 3G-OTH-534099

Also listed as: 303008PK5 · 303 008 PK5

Brand
E-Z LOK
Item
Heavy Wall Self-Locking Thread Insert
Part Number
303-008-PK5
Category
Heavy Wall Self-Locking Inserts
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

E-Z LOK
Manufacturer Part Number
303-008-PK5
Type
#8-32 Int Thrd Sz, Plain, 5 PK
Wall Type
Heavy Wall
Ext Thrd Sz
5/16"-18
Thread Type
Coarse
Compatible Tap Size
5/16"-18
External Thread Fit
2A
Internal Thread Fit
2B
System of Measurement
Inch

Technical Documents

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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 #8-32 internal thread size and a 5/16"-18 external thread size, supplied in a 5-pack. It features a coarse thread type, 2A external thread fit, 2B internal thread fit, and is compatible with a 5/16"-18 tap. 3G Electric sources this genuine OEM part (MPN 303-008-PK5) across 14 industrial departments, with specialist expertise in fastening and assembly solutions.

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 threads in metal assemblies. The heavy-wall design provides strong, permanent threads for demanding industrial applications. 3G Electric supplies this genuine OEM part (MPN 303-008-PK5) across 14 industrial departments.

What are the specifications of E-Z LOK 303-008-PK5 thread insert?

This heavy-wall insert has a #8-32 internal thread size and a 5/16"-18 external thread size, with coarse thread type. It features 2A external thread fit and 2B internal thread fit, compatible with a 5/16"-18 tap. The system of measurement is inch, and it comes in a 5-pack.

Where to buy E-Z LOK thread inserts in worldwide?

3G Electric supplies E-Z LOK Self Locking Thread Inserts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OEM parts like MPN 303-008-PK5 across 14 departments. Contact us for availability and delivery to your location.

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

Install E-Z LOK heavy wall inserts by tapping a hole to the specified external thread size (5/16"-18), then driving the insert into the tapped hole using a standard installation tool. The self-locking feature secures the insert without adhesives. Always follow the manufacturer's instructions for torque and depth.

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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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Heavy wall self-locking insert with #6-32 internal thread and 1/4"-20 external coarse thread. Features 2A external and 2B internal thread fits, compatible with 1/4"-20 tap. Plain finish, inch system. Supplied in a 5-pack. Used for thread repair or reinforcement in metal or plastic applications requiring increased strength
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Heavy wall self-locking insert with #6-32 internal thread and 1/4"-20 external coarse thread. Features 2A external and 2B internal thread fits, compatible with 1/4"-20 tap. Plain finish, inch system. Supplied in a 5-pack. Used for thread repair or reinforcement in metal or plastic applications requiring increased strength
Heavy wall self-locking thread insert with 3/4"-10 internal thread (2B fit) and 1"-8 external thread (2A fit). Coarse inch threads. Compatible with #1-8 tap. Plain finish. Supplied in a 5-pack. Used for thread repair or reinforcement in heavy-duty industrial applications requiring extra strength
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Heavy wall self-locking thread insert with 3/4"-10 internal thread (2B fit) and 1"-8 external thread (2A fit). Coarse inch threads. Compatible with #1-8 tap. Plain finish. Supplied in a 5-pack. Used for thread repair or reinforcement in heavy-duty industrial applications requiring extra strength
Steel heavy wall self-locking insert with #6-32 internal thread and 1/4"-20 external coarse thread. External thread fit 2A, internal thread fit 2B. Compatible with 1/4"-20 tap. Used to repair or reinforce stripped or worn internal threads in metal assemblies, providing vibration-resistant threads for #6-32 fasteners
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Steel heavy wall self-locking insert with #6-32 internal thread and 1/4"-20 external coarse thread. External thread fit 2A, internal thread fit 2B. Compatible with 1/4"-20 tap. Used to repair or reinforce stripped or worn internal threads in metal assemblies, providing vibration-resistant threads for #6-32 fasteners
Heavy wall self-locking thread insert for repairing or reinforcing stripped threads in metal or plastic. Features #4-40 internal thread size and #10-32 external thread size with coarse thread type. Compatible with #10-32 tap, external thread fit 2A, internal thread fit 2B. Supplied in a 10-pack
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Heavy wall self-locking thread insert for repairing or reinforcing stripped threads in metal or plastic. Features #4-40 internal thread size and #10-32 external thread size with coarse thread type. Compatible with #10-32 tap, external thread fit 2A, internal thread fit 2B. Supplied in a 10-pack
Steel extra-heavy wall self-locking thread inserts for repairing or reinforcing damaged internal threads. Internal thread size 5/16"-18 coarse (2B fit), compatible tap size 9/16"-12. External thread fit 2A. Sold in a 10-pack. Suitable for industrial, machinery, and automotive applications requiring a vibration-resistant threaded connection
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Steel extra-heavy wall self-locking thread inserts for repairing or reinforcing damaged internal threads. Internal thread size 5/16"-18 coarse (2B fit), compatible tap size 9/16"-12. External thread fit 2A. Sold in a 10-pack. Suitable for industrial, machinery, and automotive applications requiring a vibration-resistant threaded connection
Heavy wall self-locking thread insert with 1/4"-20 internal thread (2B fit) and 7/16"-14 external thread (2A fit). Compatible with 7/16"-14 tap. Coarse thread. Used to repair or reinforce tapped holes in metal, plastic, or wood, providing vibration resistance and load distribution. Supplied in a 5-pack
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Heavy wall self-locking thread insert with 1/4"-20 internal thread (2B fit) and 7/16"-14 external thread (2A fit). Compatible with 7/16"-14 tap. Coarse thread. Used to repair or reinforce tapped holes in metal, plastic, or wood, providing vibration resistance and load distribution. Supplied in a 5-pack

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Heavy wall self-locking insert with M16-2.00 internal thread and M24-3.00 external thread. Supplied in a 5-pack. Requires 21 mm drill bit and M24-3.00 tap. External thread fit 6G, internal thread fit 6H. Used to repair or reinforce threads in metal assemblies where vibration resistance is needed
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Heavy wall self-locking insert with M16-2.00 internal thread and M24-3.00 external thread. Supplied in a 5-pack. Requires 21 mm drill bit and M24-3.00 tap. External thread fit 6G, internal thread fit 6H. Used to repair or reinforce threads in metal assemblies where vibration resistance is needed
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Heavy wall self-locking thread insert for repairing or reinforcing tapped holes in metal, plastic, or wood. Internal thread 3/8"-24 UNF (2B fit), external thread 9/16"-12 UNC (2A fit), compatible with 9/16"-12 tap. Supplied as a 5-pack
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Heavy wall self-locking thread insert with M10-1.50 internal thread and 9/16"-12 UNC external thread. Designed for repairing or reinforcing stripped threads in metal or plastic. External thread fit 2A, internal thread fit 2B. Compatible tap size 9/16"-12. Supplied in a 5-pack
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Heavy wall self-locking threaded insert with M10-1.50 metric external thread and 1/4"-20 UNC internal thread. External thread fit 2A, internal thread fit 2B. Compatible with M10-1.50 tap. Used to repair or reinforce tapped holes in metal, plastic, or wood. Supplied in a 5-pack