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OEM Heavy Wall Self-Locking Insert, 1"-8 Ext x 3/4"-10 Int, Plain - Heavy Wall Self-Locking Inserts
OEMHeavy Wall Self-Locking Inserts

OEM Heavy Wall Self-Locking Insert, 1"-8 Ext x 3/4"-10 Int, Plain

The APPROVED VENDOR Self Locking Thread Insert is a heavy wall, standard wall insert with a plain finish. It features a 1"-8 external thread size (2A fit) and a 3/4"-10 internal thread size (2B fit), requiring a 7/8…

SKU 3G-OTH-534144

Also listed as: 31612 · 316 12

Brand
OEM
Item
Heavy Wall Self-Locking Insert, 1"-8 Ext x 3/4"-10 Int, Plain
Part Number
316-12
Category
Heavy Wall Self-Locking Inserts
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OEM
Manufacturer Part Number
316-12
Type
Plain
Wall Type
Standard Wall
Ext Thrd Sz
1"-8
Int Thrd Sz
3/4"-10
Thread Type
Coarse
Drill Bit Size
7/8
Compatible Tap Size
1"-8
External Thread Fit
2A
Internal Thread Fit
2B
System of Measurement
Inch

Technical Documents

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

Product Description

The APPROVED VENDOR Self Locking Thread Insert is a heavy wall, standard wall insert with a plain finish. It features a 1"-8 external thread size (2A fit) and a 3/4"-10 internal thread size (2B fit), requiring a 7/8 drill bit and a 1"-8 compatible tap. This inch-system, coarse-thread insert is identified by manufacturer part number 316-12.

Frequently Asked Questions

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

This heavy wall thread insert repairs or reinforces tapped holes in metal assemblies. It provides a durable 3/4"-10 internal thread (2B fit) with a 1"-8 external thread (2A fit), commonly used in industrial machinery, automotive, and equipment maintenance applications.

What are the specifications of the APPROVED VENDOR 316-12 thread insert?

The APPROVED VENDOR 316-12 is a standard wall, plain finish insert with a 1"-8 external thread (2A fit) and a 3/4"-10 internal thread (2B fit). It requires a 7/8 drill bit and a 1"-8 tap. System of measurement is inch, thread type is coarse.

Where to buy APPROVED VENDOR thread inserts worldwide?

3G Electric supplies the APPROVED VENDOR 316-12 self locking thread insert to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time on this standard wall, coarse-thread insert.

How to install a heavy wall self locking thread insert?

Drill a 7/8 hole, tap it with a 1"-8 tap, then thread the insert into the tapped hole using a compatible installation tool. The self-locking feature secures the insert without adhesives. Follow standard thread insert installation practices for best results.

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OEM Products

3G Electric supplies OEM heavy 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This thin wall self-locking insert provides a thread repair or reinforcement solution for fine-thread applications. It features a 3/8"-24 internal thread with 2B fit and a 1/2" overall length. The insert requires a 29/64 drill bit and a 1/2"-20 tap. Sold in a 5-pack
This thin wall self-locking insert provides a thread repair or reinforcement solution for fine-thread applications. It features a 3/8"-24 internal thread with 2B fit and a 1/2" overall length. The insert requires a 29/64 drill bit and a 1/2"-20 tap. Sold in a 5-pack
This thin wall self-locking insert is designed for repairing or reinforcing internal threads in metal assemblies. It features a 1/2"-13 internal coarse thread and 5/8" overall length, requiring a 37/64 drill bit and 5/8"-18 tap. The insert provides a locking action to resist loosening under vibration. Supplied in a 5-pack
This thin wall self-locking insert is designed for repairing or reinforcing internal threads in metal assemblies. It features a 1/2"-13 internal coarse thread and 5/8" overall length, requiring a 37/64 drill bit and 5/8"-18 tap. The insert provides a locking action to resist loosening under vibration. Supplied in a 5-pack
Standard-wall self-locking thread insert with 9/16"-18 internal and 3/4"-10 external threads, fine thread type. External thread fit 2A, internal fit 2B. Requires 21/32 drill bit and 3/4"-10 tap. Used to repair or reinforce tapped holes in metal assemblies
Standard-wall self-locking thread insert with 9/16"-18 internal and 3/4"-10 external threads, fine thread type. External thread fit 2A, internal fit 2B. Requires 21/32 drill bit and 3/4"-10 tap. Used to repair or reinforce tapped holes in metal assemblies
Heavy-wall key locking insert with 4 keys, M4-0.70 internal thread and M8x1.25 external thread. Made from 18-8 stainless steel with plain finish. Meets Fed Std. H28/21 and MJ Form standards. External thread fit 2A, internal thread fit 3B. Compatible with M8x1.25 tap. Used to repair or reinforce tapped threads in metal assemblies
Heavy-wall key locking insert with 4 keys, M4-0.70 internal thread and M8x1.25 external thread. Made from 18-8 stainless steel with plain finish. Meets Fed Std. H28/21 and MJ Form standards. External thread fit 2A, internal thread fit 3B. Compatible with M8x1.25 tap. Used to repair or reinforce tapped threads in metal assemblies
This heavy-wall key locking insert features a #4-40 internal thread and #12-24 external thread, with 2 locking keys. Made from 303 stainless steel with a plain finish, it meets MIL-I-45914A (MS51831) standards. The insert has external thread fit 2A and internal thread fit 3B, compatible with #12-24 tap size. Supplied in a 10-pack, it is used to repair or reinforce tapped threads in metal assemblies
This heavy-wall key locking insert features a #4-40 internal thread and #12-24 external thread, with 2 locking keys. Made from 303 stainless steel with a plain finish, it meets MIL-I-45914A (MS51831) standards. The insert has external thread fit 2A and internal thread fit 3B, compatible with #12-24 tap size. Supplied in a 10-pack, it is used to repair or reinforce tapped threads in metal assemblies
Heavy-wall key-locking insert with 4 external keys for permanent thread repair in parent materials. Internal thread 9/16"-18 fine, external thread 3/4"-16 fine, both with 2A/2B fit. Made from C1215 material, plain finish. Supplied in a 10-pack. Compatible with 3/4"-16 tap
Heavy-wall key-locking insert with 4 external keys for permanent thread repair in parent materials. Internal thread 9/16"-18 fine, external thread 3/4"-16 fine, both with 2A/2B fit. Made from C1215 material, plain finish. Supplied in a 10-pack. Compatible with 3/4"-16 tap