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APPROVED VENDOR Helical Inserts Non-Lock: Free-Running, 3 1/2"-8 Thread Size - Insert & Tool Kits
APPROVED VENDORInsert & Tool Kits

APPROVED VENDOR Helical Inserts Non-Lock: Free-Running, 3 1/2"-8 Thread Size

APPROVED VENDOR Helical Inserts Non-Lock: Free-Running are inch-system, plain-finish inserts with a 3 1/2"-8 thread size and 8 UN thread type, measuring 4 21/64 in overall length. Designed for metal-compatible…

SKU 3G-OTH-528088

Brand
APPROVED VENDOR
Item
Helical Inserts Non-Lock: Free-Running, 3 1/2"-8 Thread Size
Category
Insert & Tool Kits
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
83320-1.5
Overall Lg
4 21/64 in
Finish Type
Plain
Thread Size
3 1/2"-8
Thread Type
8 UN
Compatible Material
Metal
System of Measurement
Inch
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

APPROVED VENDOR Helical Inserts Non-Lock: Free-Running are inch-system, plain-finish inserts with a 3 1/2"-8 thread size and 8 UN thread type, measuring 4 21/64 in overall length. Designed for metal-compatible applications, these inserts are supplied as part of Insert & Tool Kits (MPN 83320-1.5).

Frequently Asked Questions

What is an APPROVED VENDOR helical insert used for?

An APPROVED VENDOR helical insert is used to repair or reinforce threaded holes in metal components. It provides a durable, free-running internal thread for inch-system fasteners, commonly applied in industrial machinery, automotive assemblies, and heavy equipment where thread integrity is critical.

What are the specifications of the APPROVED VENDOR helical insert 83320-1.5?

The APPROVED VENDOR helical insert has a 3 1/2"-8 thread size with 8 UN thread type, 4 21/64 in overall length, plain finish, and is compatible with metal substrates. It is an inch-system, non-lock free-running insert supplied as part of Insert & Tool Kits.

Where to buy APPROVED VENDOR helical inserts worldwide?

3G Electric supplies APPROVED VENDOR helical inserts worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source the 83320-1.5 or other thread repair inserts for your application.

How to install an APPROVED VENDOR helical insert?

To install an APPROVED VENDOR helical insert, drill the hole to the specified tap drill size, tap threads using the correct 8 UN tap, then insert the coil using a compatible installation tool. Ensure the insert is fully seated below the surface for proper thread engagement in metal.

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 insert & 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 Thread Repair Kit: Free-Running, M26 Thread Size, 1 17/32 in Overall Lg, Plain (MPN 82187X). Key specifications — Insert Types Included: Helical Inserts; Compatible Material: Metal; System of Measurement: Metric; Brand: APPROVED VENDOR; Finish Type: Plain.
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APPROVED VENDOR Helical Inserts Non-Lock: Free-Running, 2 1/8"-8 Thread Size, 3 3/16 in Overall Lg (MPN 83309-1.5). Key specifications — Thread Size: 2-1/8"-8; Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Thread Type: 8 UN; Finish Type: Plain.
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