We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M14-1.25 Int Thrd Sz, 18 mm Overall Lg - Automotive Self-Locking Inserts
APPROVED VENDORAutomotive Self-Locking Inserts

APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M14-1.25 Int Thrd Sz, 18 mm Overall Lg

The APPROVED VENDOR Self Locking Thread Insert is a heavy-wall automotive insert with M14-1.25 internal thread size, 18 mm overall length, and a 5-pack quantity. It features coarse thread type, 2A external and 2B…

SKU 3G-OTH-535744

Brand
APPROVED VENDOR
Item
Self Locking Thread Insert: Heavy Wall, M14-1.25 Int Thrd Sz, 18 mm Overall Lg
Category
Automotive Self-Locking Inserts
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
329-1412-PK5
Type
M14-1.25 Int Thrd Sz, 5 PK
Overall Lg
18 mm
Wall Type
Heavy Wall
Thread Type
Coarse
Drill Bit Size
11/16
Compatible Tap Size
3/4"-16
External Thread Fit
2A
Internal Thread Fit
2B
System of Measurement
Inch/Metric
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 Self Locking Thread Insert is a heavy-wall automotive insert with M14-1.25 internal thread size, 18 mm overall length, and a 5-pack quantity. It features coarse thread type, 2A external and 2B internal thread fits, and requires an 11/16 drill bit with a 3/4"-16 compatible tap size, using inch/metric measurement.

Frequently Asked Questions

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

This heavy-wall thread insert is used to repair or reinforce tapped holes in automotive and industrial assemblies. It provides a durable M14-1.25 internal thread with 2B fit, preventing loosening under vibration. 3G Electric supplies this insert for applications requiring reliable thread restoration across 14 industrial departments.

What are the specifications of the APPROVED VENDOR Self Locking Thread Insert?

The insert has M14-1.25 internal thread size, 18 mm overall length, coarse thread type, heavy wall, 2A external and 2B internal thread fits. It requires an 11/16 drill bit and 3/4"-16 compatible tap size. System of measurement is inch/metric. Sold in a 5-pack with MPN 329-1412-PK5.

Where to buy APPROVED VENDOR Self Locking Thread Insert in worldwide?

3G Electric supplies the APPROVED VENDOR Self Locking Thread Insert worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the M14-1.25 heavy-wall insert in a 5-pack for reliable thread repair.

How to install the APPROVED VENDOR Self Locking Thread Insert?

Drill out the damaged thread using an 11/16 drill bit, then tap the hole with a 3/4"-16 tap. Install the insert using a compatible installation tool until it sits below the surface. The self-locking feature secures the insert without additional adhesives. 3G Electric can provide sourcing guidance for installation tools.

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 automotive self-locking inserts. 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 Self Locking Thread Insert: Heavy Wall, M18-1.50 Int Thrd Sz, 12 mm Overall Lg, 5 PK (MPN 329-1808-PK5). Key specifications — Compatible Tap Size: 1"-12; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 59/64; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M18-1.50 Int Thrd Sz, 12 mm Overall Lg, 5 PK (MPN 329-1808-PK5). Key specifications — Compatible Tap Size: 1"-12; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 59/64; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Std Wall, M14-1.25 Int Thrd Sz, 12 mm Overall Lg, 5 PK (MPN 750-14-PK5). Key specifications — Compatible Tap Size: M18-1.50; Internal Thread Fit: 6H; System of Measurement: Metric; Thread Type: Coarse; Wall Type: Standard Wall; Drill Bit Size: 16.5mm; External Thread Fit: 6G.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Std Wall, M14-1.25 Int Thrd Sz, 12 mm Overall Lg, 5 PK (MPN 750-14-PK5). Key specifications — Compatible Tap Size: M18-1.50; Internal Thread Fit: 6H; System of Measurement: Metric; Thread Type: Coarse; Wall Type: Standard Wall; Drill Bit Size: 16.5mm; External Thread Fit: 6G.
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M12-1.25 Int Thrd Sz, 12 mm Overall Lg, 5 PK (MPN 329-1208-PK5). Key specifications — Compatible Tap Size: 5/8"-18; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 37/64; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M12-1.25 Int Thrd Sz, 12 mm Overall Lg, 5 PK (MPN 329-1208-PK5). Key specifications — Compatible Tap Size: 5/8"-18; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 37/64; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M12-1.25 Int Thrd Sz, 18 mm Overall Lg, 5 PK (MPN 329-1212-PK5). Key specifications — Compatible Tap Size: 5/8"-18; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 37/64; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M12-1.25 Int Thrd Sz, 18 mm Overall Lg, 5 PK (MPN 329-1212-PK5). Key specifications — Compatible Tap Size: 5/8"-18; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 37/64; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M14-1.25 Int Thrd Sz, 12 mm Overall Lg, 5 PK (MPN 329-1408-PK5). Key specifications — Compatible Tap Size: 3/4"-16; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 11/16; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M14-1.25 Int Thrd Sz, 12 mm Overall Lg, 5 PK (MPN 329-1408-PK5). Key specifications — Compatible Tap Size: 3/4"-16; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 11/16; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M14-1.25 Int Thrd Sz, 8 mm Overall Lg, 5 PK (MPN 329-1406-PK5). Key specifications — Compatible Tap Size: 3/4"-16; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 11/16; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M14-1.25 Int Thrd Sz, 8 mm Overall Lg, 5 PK (MPN 329-1406-PK5). Key specifications — Compatible Tap Size: 3/4"-16; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 11/16; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M10-1.50 Int Thrd Sz, 25 mm Overall Lg, 5 PK (MPN 330-11-PK5). Key specifications — Compatible Tap Size: 9/16"-12; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 31/64; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M10-1.50 Int Thrd Sz, 25 mm Overall Lg, 5 PK (MPN 330-11-PK5). Key specifications — Compatible Tap Size: 9/16"-12; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 31/64; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M10-1.00 Int Thrd Sz, 12 mm Overall Lg, 5 PK (MPN 329-1008-PK5). Key specifications — Compatible Tap Size: 9/16"-18; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 33/64; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M10-1.00 Int Thrd Sz, 12 mm Overall Lg, 5 PK (MPN 329-1008-PK5). Key specifications — Compatible Tap Size: 9/16"-18; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Heavy Wall; Drill Bit Size: 33/64; External Thread Fit: 2A.