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APPROVED VENDOR Self Locking Thread Insert: Std Wall, 1/4"-28 Int Thrd Sz - Self-Locking Insert & Installation Tool Kits
APPROVED VENDORSelf-Locking Insert & Installation Tool Kits

APPROVED VENDOR Self Locking Thread Insert: Std Wall, 1/4"-28 Int Thrd Sz

The APPROVED VENDOR Self Locking Thread Insert is a standard-wall, inch-system insert with a 1/4"-28 internal thread size and a 7/16"-14 external thread size. It features a coarse thread type, external thread fit of…

SKU 3G-OTH-533996

Brand
APPROVED VENDOR
Item
Self Locking Thread Insert: Std Wall, 1/4"-28 Int Thrd Sz
Category
Self-Locking Insert & Installation Tool Kits
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
EZ-329-428
Wall Type
Standard Wall
Ext Thrd Sz
7/16"-14
Int Thrd Sz
1/4"-28
Thread Type
Coarse
Compatible Tap Size
7/16"-14
External Thread Fit
2A
Internal Thread Fit
2B
System of Measurement
Inch
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Self Locking Thread Insert is a standard-wall, inch-system insert with a 1/4"-28 internal thread size and a 7/16"-14 external thread size. It features a coarse thread type, external thread fit of 2A, internal thread fit of 2B, and is compatible with a 7/16"-14 tap (MPN EZ-329-428).

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 an APPROVED VENDOR self-locking thread insert used for?

This standard-wall, inch-system insert repairs or reinforces tapped holes in metal assemblies. Its 1/4"-28 internal thread and 7/16"-14 external thread suit coarse-thread applications where vibration resistance is needed. 3G Electric supplies this insert across 14 industrial departments, including machining and power transmission.

What are the specifications of the APPROVED VENDOR EZ-329-428 thread insert?

The insert has a 1/4"-28 internal thread size, 7/16"-14 external thread size, coarse thread type, 2B internal thread fit, and 2A external thread fit. It is compatible with a 7/16"-14 tap and uses inch-system measurement. 3G Electric sources this part (MPN EZ-329-428) for global supply.

Where to buy APPROVED VENDOR thread inserts worldwide?

3G Electric supplies the APPROVED VENDOR self-locking thread insert (MPN EZ-329-428) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this standard-wall, inch-system insert.

How to install a self-locking thread insert?

Drill out the damaged thread to the recommended tap size (7/16"-14 for this insert), tap the hole, then use a compatible installation tool to wind the insert into place. The self-locking feature secures the insert against loosening. 3G Electric can provide sourcing guidance for installation tool kits.

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APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR self-locking insert & installation tool kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 3/8"-16 Int Thrd Sz, 1/2"-13 Ext Thrd Sz (MPN EZ-310-6). Key specifications — Compatible Tap Size: 1/2"-13; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Thin Wall; Drill Bit Size: 29/64; External Thread Fit: 2A.
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APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 3/8"-16 Int Thrd Sz, 1/2"-13 Ext Thrd Sz (MPN EZ-310-6). Key specifications — Compatible Tap Size: 1/2"-13; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Thin Wall; Drill Bit Size: 29/64; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, #10-32 Int Thrd Sz, 3/8"-16 Ext Thrd Sz (MPN EZ-329-332IC). Key specifications — Compatible Tap Size: 3/8"-16; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 5/16; External Thread Fit: 2A.
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APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, #10-32 Int Thrd Sz, 3/8"-16 Ext Thrd Sz (MPN EZ-329-332IC). Key specifications — Compatible Tap Size: 3/8"-16; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 5/16; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, M4-0.70 Int Thrd Sz, 5/16"-18 Ext Thrd Sz (MPN EZ-310-M4). Key specifications — Compatible Tap Size: 5/16"-18; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Thin Wall; External Thread Fit: 2A.
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APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 5/16"-24 Int Thrd Sz, 7/16"-20 Ext Thrd Sz (MPN EZ-313-524). Key specifications — Compatible Tap Size: 7/16"-20; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Fine; Wall Type: Thin Wall; Drill Bit Size: 25/64; External Thread Fit: 2A.
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APPROVED VENDOR Self Locking Thread Insert: Std Wall, M6-1.00 Int Thrd Sz, M10-1.50 Ext Thrd Sz (MPN EZ-453-6). Key specifications — Compatible Tap Size: M10-1.50; Internal Thread Fit: 6H; System of Measurement: Metric; Thread Type: Coarse; Wall Type: Standard Wall; Drill Bit Size: 8.6mm; External Thread Fit: 6G.
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