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: Thin Wall, M8-1.25 Int Thrd Sz, 7/16 in Overall Lg - Thin Wall Self-Locking Inserts
APPROVED VENDORThin Wall Self-Locking Inserts

APPROVED VENDOR Self Locking Thread Insert: Thin Wall, M8-1.25 Int Thrd Sz, 7/16 in Overall Lg

The APPROVED VENDOR Self Locking Thread Insert is a thin-wall, coarse-thread insert with M8-1.25 internal thread size, 7/16 in overall length, and a 5-pack quantity. It requires a 25/64 drill bit and is compatible…

SKU 3G-OTH-528425

Brand
APPROVED VENDOR
Item
Self Locking Thread Insert: Thin Wall, M8-1.25 Int Thrd Sz, 7/16 in Overall Lg
Category
Thin Wall 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
313-M8-PK5
Type
M8-1.25 Int Thrd Sz, 5 PK
Overall Lg
7/16 in
Wall Type
Thin Wall
Thread Type
Coarse
Drill Bit Size
25/64
Compatible Tap Size
7/16"-20
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 thin-wall, coarse-thread insert with M8-1.25 internal thread size, 7/16 in overall length, and a 5-pack quantity. It requires a 25/64 drill bit and is compatible with a 7/16"-20 tap, featuring 2A external and 2B internal thread fits in an inch/metric system.

Frequently Asked Questions

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

This thin-wall thread insert repairs or reinforces tapped holes in metal or plastic assemblies. It provides a durable M8-1.25 internal thread with a 2B fit, preventing loosening under vibration. Common in industrial machinery, automotive, and equipment maintenance where coarse threads and inch/metric compatibility are required.

What are the specifications of the APPROVED VENDOR 313-M8-PK5 thread insert?

The insert has an M8-1.25 internal thread size, 7/16 in overall length, and a thin-wall design. It requires a 25/64 drill bit and a 7/16"-20 tap. External thread fit is 2A, internal is 2B. System of measurement is inch/metric. Supplied as a 5-pack by APPROVED VENDOR.

Where to buy APPROVED VENDOR Self Locking Thread Inserts worldwide?

3G Electric supplies APPROVED VENDOR Self Locking Thread Inserts to global customers. As a sourcing specialist across 14 industrial departments, we handle logistics, customs clearance, and delivery worldwide. Contact us for availability and lead time on the 313-M8-PK5 5-pack or other thin-wall inserts.

How to install an APPROVED VENDOR thin-wall thread insert?

Drill a hole using a 25/64 bit, then tap it with a 7/16"-20 tap to create external threads. Clean the hole, then insert the self-locking insert using a compatible installation tool until it sits flush. The 2A/2B thread fit ensures secure engagement. Follow standard insert installation practices for best results.

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.

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: Thin Wall, 5/8"-11 Int Thrd Sz, 3/4 in Insert Dia, 5 PK (MPN 313-10-PK5). Key specifications — Compatible Tap Size: 3/4"-16; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Thin Wall; Drill Bit Size: 11/16; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 5/8"-11 Int Thrd Sz, 3/4 in Insert Dia, 5 PK (MPN 313-10-PK5). Key specifications — Compatible Tap Size: 3/4"-16; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Thin Wall; Drill Bit Size: 11/16; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 1/4"-20 Int Thrd Sz, 3/8 in Overall Lg, 5 PK (MPN 313-4-PK5). Key specifications — Compatible Tap Size: 3/8"-24; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Thin Wall; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 1/4"-20 Int Thrd Sz, 3/8 in Overall Lg, 5 PK (MPN 313-4-PK5). Key specifications — Compatible Tap Size: 3/8"-24; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Thin Wall; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, M6-1.00 Int Thrd Sz, 3/8 in Overall Lg, 5 PK (MPN 313-M6-PK5). Key specifications — Compatible Tap Size: 3/8"-24; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Thin Wall; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, M6-1.00 Int Thrd Sz, 3/8 in Overall Lg, 5 PK (MPN 313-M6-PK5). Key specifications — Compatible Tap Size: 3/8"-24; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Thin Wall; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, M10-1.50 Int Thrd Sz, 13 mm Overall Lg, 5 PK (MPN 319-M10-PK5). Key specifications — Compatible Tap Size: 1/2"-13; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Thin Wall; Drill Bit Size: 29/64; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, M10-1.50 Int Thrd Sz, 13 mm Overall Lg, 5 PK (MPN 319-M10-PK5). Key specifications — Compatible Tap Size: 1/2"-13; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Thin Wall; Drill Bit Size: 29/64; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 7/16"-20 Int Thrd Sz, Stainless Steel, 5 PK (MPN 313-720-PK5). Key specifications — Compatible Tap Size: 9/16"-18; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Fine; Wall Type: Thin Wall; Drill Bit Size: 33/64; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 7/16"-20 Int Thrd Sz, Stainless Steel, 5 PK (MPN 313-720-PK5). Key specifications — Compatible Tap Size: 9/16"-18; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Fine; Wall Type: Thin Wall; Drill Bit Size: 33/64; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, M6-1.00 Int Thrd Sz, 10 mm Overall Lg, 5 PK (MPN 319-M6-PK5). Key specifications — Compatible Tap Size: 3/8"-16; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Thin Wall; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, M6-1.00 Int Thrd Sz, 10 mm Overall Lg, 5 PK (MPN 319-M6-PK5). Key specifications — Compatible Tap Size: 3/8"-16; Internal Thread Fit: 2B; System of Measurement: Inch/Metric; Thread Type: Coarse; Wall Type: Thin Wall; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, M12-1.75 Int Thrd Sz, 16 mm Overall Lg, 5 PK (MPN 319-M12-PK5). Key specifications — Compatible Tap Size: 5/8"-11; 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.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, M12-1.75 Int Thrd Sz, 16 mm Overall Lg, 5 PK (MPN 319-M12-PK5). Key specifications — Compatible Tap Size: 5/8"-11; 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.
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, #6-32 Int Thrd Sz, #12-28 Ext Thrd Sz, 5 PK (MPN 313-006-PK5). Key specifications — Compatible Tap Size: #12-28; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Thin Wall; External Thread Fit: 2A.
APPROVED VENDOR
APPROVED VENDOR Self Locking Thread Insert: Thin Wall, #6-32 Int Thrd Sz, #12-28 Ext Thrd Sz, 5 PK (MPN 313-006-PK5). Key specifications — Compatible Tap Size: #12-28; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Thin Wall; External Thread Fit: 2A.