Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

APPROVED VENDOR Helical Inserts Non-Lock: Free-Running, 3"-8 Thread Size, 4 1/2 in Overall Lg - Insert & Tool Kits
APPROVED VENDORInsert & Tool Kits

APPROVED VENDOR Helical Inserts Non-Lock: Free-Running, 3"-8 Thread Size, 4 1/2 in Overall Lg

The APPROVED VENDOR Helical Inserts Non-Lock: Free-Running is a plain-finish insert and tool kit with a 3"-8 thread size, 8 UN thread type, and 4 1/2 in overall length. Designed for metal compatibility in inch-system…

SKU 3G-OTH-528154

Brand
APPROVED VENDOR
Item
Helical Inserts Non-Lock: Free-Running, 3"-8 Thread Size, 4 1/2 in Overall Lg
Category
Insert & Tool Kits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
83316-1.5
Type
Plain
Overall Lg
4 1/2 in
Finish Type
Plain
Thread Size
3"-8
Thread Type
8 UN
Compatible Material
Metal
System of Measurement
Inch
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Helical Inserts Non-Lock: Free-Running is a plain-finish insert and tool kit with a 3"-8 thread size, 8 UN thread type, and 4 1/2 in overall length. Designed for metal compatibility in inch-system applications, this free-running insert (MPN 83316-1.5) provides a straightforward solution for thread repair or reinforcement.

Frequently Asked Questions

What is APPROVED VENDOR helical insert used for?

This free-running helical insert repairs or reinforces internal threads in metal components. It is ideal for industrial maintenance, machining, and assembly applications where a 3"-8 thread size and 8 UN thread type are required. 3G Electric supplies this plain-finish insert for worldwide delivery.

What are the specifications of APPROVED VENDOR helical insert 83316-1.5?

The APPROVED VENDOR helical insert has a 3"-8 thread size, 8 UN thread type, 4 1/2 in overall length, and plain finish. It is compatible with metal materials and uses inch-system measurement. The manufacturer part number is 83316-1.5.

Where to buy APPROVED VENDOR helical inserts in worldwide?

3G Electric sources and delivers APPROVED VENDOR helical inserts worldwide. We handle logistics, customs clearance, and delivery to your facility. Contact us to order the 83316-1.5 free-running insert for thread repair or reinforcement in metal components.

How to install a free-running helical insert?

Drill the hole to the specified tap drill size, tap threads using the correct 8 UN tap, then insert the helical coil using a tang break-off tool. Ensure the insert sits below the surface. 3G Electric supplies the insert and can advise on tooling for proper installation.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from APPROVED VENDOR

View all APPROVED VENDOR parts
APPROVED VENDOR Thread Repair Kit: Tanged Tang Style, Free-Running, 5/8"-11 Thread Size, Plain (MPN 3532-5/8K). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 5/8"-11; Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Drill Bit Size: 16.5 mm.
APPROVED VENDOR
APPROVED VENDOR Thread Repair Kit: Tanged Tang Style, Free-Running, 5/8"-11 Thread Size, Plain (MPN 3532-5/8K). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 5/8"-11; Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Drill Bit Size: 16.5 mm.
APPROVED VENDOR Thread Repair Kit: Free-Running, M27 Thread Size, 1 19/32 in Overall Lg, Plain (MPN 82189). Key specifications — Insert Types Included: Helical Inserts; Compatible Material: Metal; System of Measurement: Metric; Brand: APPROVED VENDOR; Finish Type: Plain.
APPROVED VENDOR
APPROVED VENDOR Thread Repair Kit: Free-Running, M27 Thread Size, 1 19/32 in Overall Lg, Plain (MPN 82189). Key specifications — Insert Types Included: Helical Inserts; Compatible Material: Metal; System of Measurement: Metric; Brand: APPROVED VENDOR; Finish Type: Plain.
APPROVED VENDOR Thread Repair Kit: Free-Running, 3/8"-24 Thread Size, 1 1/2 in Overall Lg, Plain (MPN 88317). Key specifications — Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Thread Type: BSP; Finish Type: Plain.
APPROVED VENDOR
APPROVED VENDOR Thread Repair Kit: Free-Running, 3/8"-24 Thread Size, 1 1/2 in Overall Lg, Plain (MPN 88317). Key specifications — Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Thread Type: BSP; Finish Type: Plain.
APPROVED VENDOR Thread Repair Kit: Free-Running, M30 Thread Size, 1 49/64 in Overall Lg, Plain (MPN 82192). Key specifications — Insert Types Included: Helical Inserts; Compatible Material: Metal; System of Measurement: Metric; Brand: APPROVED VENDOR; Finish Type: Plain.
APPROVED VENDOR
APPROVED VENDOR Thread Repair Kit: Free-Running, M30 Thread Size, 1 49/64 in Overall Lg, Plain (MPN 82192). Key specifications — Insert Types Included: Helical Inserts; Compatible Material: Metal; System of Measurement: Metric; Brand: APPROVED VENDOR; Finish Type: Plain.
APPROVED VENDOR Thread Repair Kit: Tanged Tang Style, Free-Running, 3/8 in Overall Lg, Plain, Plain (MPN 3534-WK1). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 1/2"-20; Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Drill Bit Size: 9.8 mm.
APPROVED VENDOR
APPROVED VENDOR Thread Repair Kit: Tanged Tang Style, Free-Running, 3/8 in Overall Lg, Plain, Plain (MPN 3534-WK1). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 1/2"-20; Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Drill Bit Size: 9.8 mm.
APPROVED VENDOR Thread Repair Kit: Free-Running, 3/8"-24 Thread Size, 1 1/2 in Overall Lg, 4 PK (MPN 88337). Key specifications — Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Thread Type: BSP; Finish Type: Plain.
APPROVED VENDOR
APPROVED VENDOR Thread Repair Kit: Free-Running, 3/8"-24 Thread Size, 1 1/2 in Overall Lg, 4 PK (MPN 88337). Key specifications — Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Thread Type: BSP; Finish Type: Plain.
APPROVED VENDOR Helical Inserts Non-Lock: Free-Running, 2 7/8"-8 Thread Size, 4 5/16 in Overall Lg (MPN 83315-1.5). Key specifications — Thread Size: 2-7/8"-8; Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Thread Type: 8 UN; Finish Type: Plain.
APPROVED VENDOR
APPROVED VENDOR Helical Inserts Non-Lock: Free-Running, 2 7/8"-8 Thread Size, 4 5/16 in Overall Lg (MPN 83315-1.5). Key specifications — Thread Size: 2-7/8"-8; Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Thread Type: 8 UN; Finish Type: Plain.
APPROVED VENDOR Left Hand Insert: Free-Running, Left Hand, 5/8"-11 Thread Size, Plain, Plain, 2 PK (MPN 83129LH). Key specifications — Thread Direction: Left Hand; Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Thread Type: Coarse; Finish Type: Plain.
APPROVED VENDOR
APPROVED VENDOR Left Hand Insert: Free-Running, Left Hand, 5/8"-11 Thread Size, Plain, Plain, 2 PK (MPN 83129LH). Key specifications — Thread Direction: Left Hand; Compatible Material: Metal; System of Measurement: Inch; Brand: APPROVED VENDOR; Thread Type: Coarse; Finish Type: Plain.