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APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 1/4"-28 Int Thrd Sz, 3/8 in Overall Lg - Thin Wall Self-Locking Inserts
APPROVED VENDORThin Wall Self-Locking Inserts

APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 1/4"-28 Int Thrd Sz, 3/8 in Overall Lg

The APPROVED VENDOR Self Locking Thread Insert is a thin-wall, inch-system insert with a 1/4"-28 fine internal thread and 3/8 in overall length. Supplied in a 5-pack (MPN 313-428-PK5), it features a 2B internal…

SKU 3G-OTH-528423

Brand
APPROVED VENDOR
Item
Self Locking Thread Insert: Thin Wall, 1/4"-28 Int Thrd Sz, 3/8 in Overall Lg
Category
Thin Wall Self-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
313-428-PK5
Type
5 PK
Overall Lg
3/8 in
Wall Type
Thin Wall
Int Thrd Sz
1/4"-28
Thread Type
Fine
Compatible Tap Size
3/8"-24
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 thin-wall, inch-system insert with a 1/4"-28 fine internal thread and 3/8 in overall length. Supplied in a 5-pack (MPN 313-428-PK5), it features a 2B internal thread fit, 2A external thread fit, and is compatible with a 3/8"-24 tap. 3G Electric sources this genuine industrial fastener across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.

Frequently Asked Questions

What is an APPROVED VENDOR Self Locking Thread Insert used for?

This thin-wall insert repairs or reinforces internal threads in metal assemblies. It is used across industrial machinery, automotive, and equipment maintenance where a 1/4"-28 fine thread is required. 3G Electric supplies this genuine fastener globally, backed by specialist expertise in combustion, pumps, and controls.

What are the specifications of the APPROVED VENDOR 313-428-PK5 thread insert?

This 5-pack insert has a 1/4"-28 fine internal thread, 3/8 in overall length, thin wall design, 2B internal thread fit, and 2A external thread fit. It is compatible with a 3/8"-24 tap and uses inch system measurement. The manufacturer part number is 313-428-PK5.

Where to buy APPROVED VENDOR thread inserts worldwide?

3G Electric supplies the APPROVED VENDOR Self Locking Thread Insert 313-428-PK5 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 5-pack thin-wall insert.

How to install a thin wall self-locking thread insert?

Installation requires tapping the hole to 3/8"-24, then using a compatible installation tool to drive the insert flush. The self-locking feature holds the insert in place without adhesives. Always follow the manufacturer's instructions for torque and depth to ensure a secure fit.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR thin 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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APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 7/16"-14 Int Thrd Sz, Stainless Steel, 5 PK (MPN 313-7-PK5). Key specifications — Compatible Tap Size: 9/16"-18; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Thin Wall; Drill Bit Size: 33/64; External Thread Fit: 2A.
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APPROVED VENDOR Self Locking Thread Insert: Thin Wall, M12-1.75 Int Thrd Sz, 5/8 in Overall Lg, 5 PK (MPN 313-M12-PK5). Key specifications — Compatible Tap Size: 5/8"-18; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Thin Wall; Drill Bit Size: 37/64; External Thread Fit: 2A.
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APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 1/2"-13 Int Thrd Sz, 5/8 in Overall Lg, 5 PK (MPN 313-8-PK5). Key specifications — Compatible Tap Size: 5/8"-18; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Thin Wall; Drill Bit Size: 37/64; External Thread Fit: 2A.
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