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

E-Z LOK Heavy Wall Self-Locking Insert

The E-Z LOK Self Locking Thread Insert is a heavy-wall steel insert (5-pack) with a 3/4"-16 internal thread (UNF, 2B fit) and a 1"-8 external thread (UNC, 2A fit), compatible with a #1-8 tap. 3G Electric interprets…

SKU 3G-OTH-534123

Also listed as: 3291216PK5 · 329 1216 PK5

Brand
E-Z LOK
Item
Heavy Wall Self-Locking Insert
Category
Heavy Wall Self-Locking Inserts
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

E-Z LOK
Manufacturer Part Number
329-1216-PK5
Type
Steel, 5 PK
Wall Type
Heavy Wall
Ext Thrd Sz
1"-8
Int Thrd Sz
3/4"-16
Thread Type
UNF Internal/UNC External
Compatible Tap Size
#1-8
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 steel insert (5-pack) with a 3/4"-16 internal thread (UNF, 2B fit) and a 1"-8 external thread (UNC, 2A fit), compatible with a #1-8 tap. 3G Electric interprets this demand and sources the exact OEM part (MPN 329-1216-PK5) across 14 industrial departments, with specialist depth in fastening and assembly solutions.

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 internal threads in metal assemblies. The heavy-wall steel insert (3/4"-16 internal, 1"-8 external) provides a permanent, vibration-resistant thread for industrial machinery, automotive, and heavy equipment applications.

What are the specifications of E-Z LOK 329-1216-PK5?

This 5-pack heavy-wall steel insert has a 3/4"-16 UNF internal thread (2B fit) and a 1"-8 UNC external thread (2A fit). It requires a #1-8 tap and is inch-system. The E-Z LOK brand ensures reliable self-locking performance in demanding environments.

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

3G Electric supplies E-Z LOK thread inserts worldwide. We source the exact OEM part (MPN 329-1216-PK5) and handle logistics, customs, and delivery to your location. Contact us for availability and lead time on this heavy-wall steel insert.

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

Install E-Z LOK heavy wall inserts by tapping the hole to the specified size (#1-8), then driving the insert into the tapped hole using a standard installation tool. The self-locking feature engages upon insertion, providing a secure, permanent thread repair without adhesives.

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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Heavy wall self-locking threaded insert for repairing or reinforcing stripped threads in metal assemblies. Metric M12-1.75 internal thread (6H fit) with M16-2.00 external thread (6G fit). Requires 14 mm drill bit and M16-2.00 tap. Supplied in a 5-pack
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Heavy wall self-locking thread insert with M5-0.80 internal thread and M8-1.25 external thread. Features 6G external thread fit and 6H internal thread fit. Compatible with M8-1.25 tap. Supplied in a 10-pack. Used for repairing or reinforcing threads in metal or plastic components
Heavy wall self-locking thread insert with M6-1.00 internal thread and M10-1.50 external thread. External thread fit 6G, internal thread fit 6H. Compatible tap size M10-1.50. Supplied in a 5-pack. Used to repair or reinforce threads in metal assemblies
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Heavy wall self-locking thread insert with M6-1.00 internal thread and M10-1.50 external thread. External thread fit 6G, internal thread fit 6H. Compatible tap size M10-1.50. Supplied in a 5-pack. Used to repair or reinforce threads in metal assemblies
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 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
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 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
Heavy wall self-locking thread insert with 1 1/4"-7 external and 7/8"-9 internal coarse threads. External thread fit 2A, internal fit 2B. Compatible with 1-1/4"-7 tap. Supplied in a 5-pack. Used for repairing or reinforcing damaged threads in metal or plastic assemblies requiring a vibration-resistant connection
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Heavy wall self-locking thread insert with 1 1/4"-7 external and 7/8"-9 internal coarse threads. External thread fit 2A, internal fit 2B. Compatible with 1-1/4"-7 tap. Supplied in a 5-pack. Used for repairing or reinforcing damaged threads in metal or plastic assemblies requiring a vibration-resistant connection
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
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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