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APPROVED VENDOR Self Locking Thread Insert: Std Wall, 5/16"-18 Int Thrd Sz - Heavy Wall Self-Locking Inserts
APPROVED VENDORHeavy Wall Self-Locking Inserts

APPROVED VENDOR Self Locking Thread Insert: Std Wall, 5/16"-18 Int Thrd Sz

The APPROVED VENDOR Self Locking Thread Insert is a heavy wall, standard wall insert with a 5/16"-18 internal thread size and a 1/2"-13 external thread size (MPN 316-5). It features coarse threads, a 27/64 drill bit…

SKU 3G-OTH-534154

Brand
APPROVED VENDOR
Item
Self Locking Thread Insert: Std Wall, 5/16"-18 Int Thrd Sz
Category
Heavy Wall Self-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
316-5
Wall Type
Standard Wall
Ext Thrd Sz
1/2"-13
Int Thrd Sz
5/16"-18
Thread Type
Coarse
Drill Bit Size
27/64
Compatible Tap Size
1/2"-13
External Thread Fit
2A
Internal Thread Fit
2B
System of Measurement
Inch
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APPROVED VENDOR 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 5/16"-18 internal thread size and a 1/2"-13 external thread size (MPN 316-5). It features coarse threads, a 27/64 drill bit size, and is compatible with a 1/2"-13 tap, with external thread fit 2A and internal thread fit 2B in the inch system.

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, providing a durable 5/16"-18 internal thread. It is commonly used in industrial maintenance, automotive, and machinery applications where vibration resistance is critical.

What are the specifications of the APPROVED VENDOR 316-5 thread insert?

The insert has a 5/16"-18 internal thread size and a 1/2"-13 external thread size, with coarse threads. It requires a 27/64 drill bit and a 1/2"-13 tap. External thread fit is 2A, internal fit is 2B, in the inch system.

Where to buy APPROVED VENDOR thread inserts worldwide?

3G Electric supplies the APPROVED VENDOR 316-5 self locking thread insert to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct heavy wall insert for your repair or assembly needs.

How to install an APPROVED VENDOR self locking thread insert?

Drill out the damaged thread using a 27/64 bit, then tap the hole with a 1/2"-13 tap. Install the insert using a standard installation tool until it is slightly below the surface. The self-locking feature secures the insert without additional adhesives.

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 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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APPROVED VENDOR Self Locking Thread Insert: Std Wall, #8-32 Int Thrd Sz, 5/16"-18 Ext Thrd Sz, Plain (MPN 316-008). Key specifications — Compatible Tap Size: 5/16"-18; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Standard Wall; External Thread Fit: 2A.
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APPROVED VENDOR Self Locking Thread Insert: Std Wall, #8-32 Int Thrd Sz, 5/16"-18 Ext Thrd Sz, Plain (MPN 316-008). Key specifications — Compatible Tap Size: 5/16"-18; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Standard Wall; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Std Wall, 1/2"-13 Int Thrd Sz, 3/4"-10 Ext Thrd Sz (MPN 316-8). Key specifications — Compatible Tap Size: 3/4"-10; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Standard Wall; Drill Bit Size: 21/32; External Thread Fit: 2A.
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APPROVED VENDOR Self Locking Thread Insert: Std Wall, 1/2"-13 Int Thrd Sz, 3/4"-10 Ext Thrd Sz (MPN 316-8). Key specifications — Compatible Tap Size: 3/4"-10; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Standard Wall; Drill Bit Size: 21/32; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Std Wall, M3-0.50 Int Thrd Sz, M6-1.00 Ext Thrd Sz (MPN 416-3). Key specifications — Compatible Tap Size: M6-1.00; Internal Thread Fit: 6H; System of Measurement: Metric; Thread Type: Coarse; Wall Type: Standard Wall; Drill Bit Size: 5.1mm; External Thread Fit: 6G.
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APPROVED VENDOR Self Locking Thread Insert: Std Wall, M3-0.50 Int Thrd Sz, M6-1.00 Ext Thrd Sz (MPN 416-3). Key specifications — Compatible Tap Size: M6-1.00; Internal Thread Fit: 6H; System of Measurement: Metric; Thread Type: Coarse; Wall Type: Standard Wall; Drill Bit Size: 5.1mm; External Thread Fit: 6G.
APPROVED VENDOR Self Locking Thread Insert: Std Wall, #10-24 Int Thrd Sz, 3/8"-16 Ext Thrd Sz, Plain (MPN 316-3). Key specifications — Compatible Tap Size: 3/8"-16; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Standard Wall; Drill Bit Size: 5/16; External Thread Fit: 2A.
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APPROVED VENDOR Self Locking Thread Insert: Std Wall, #10-24 Int Thrd Sz, 3/8"-16 Ext Thrd Sz, Plain (MPN 316-3). Key specifications — Compatible Tap Size: 3/8"-16; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Standard Wall; Drill Bit Size: 5/16; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Std Wall, M6-1.00 Int Thrd Sz, M10-1.50 Ext Thrd Sz (MPN 416-6). Key specifications — Compatible Tap Size: M10-1.50; Internal Thread Fit: 6H; System of Measurement: Metric; Thread Type: Coarse; Wall Type: Standard Wall; Drill Bit Size: 8.6mm; External Thread Fit: 6G.
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APPROVED VENDOR Self Locking Thread Insert: Std Wall, M6-1.00 Int Thrd Sz, M10-1.50 Ext Thrd Sz (MPN 416-6). Key specifications — Compatible Tap Size: M10-1.50; Internal Thread Fit: 6H; System of Measurement: Metric; Thread Type: Coarse; Wall Type: Standard Wall; Drill Bit Size: 8.6mm; External Thread Fit: 6G.
APPROVED VENDOR Self Locking Thread Insert: Std Wall, #4-40 Int Thrd Sz, #10-32 Ext Thrd Sz, Plain (MPN 316-004). Key specifications — Compatible Tap Size: #10-32; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Fine; Wall Type: Standard Wall; Drill Bit Size: 5/32; External Thread Fit: 2A.
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APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, 1/4"-20 Int Thrd Sz, 1 in Overall Lg, 5 PK (MPN 329-401-PK5). Key specifications — Compatible Tap Size: 7/16"-14; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Heavy Wall; External Thread Fit: 2A.
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APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, 1/4"-20 Int Thrd Sz, 1 in Overall Lg, 5 PK (MPN 329-401-PK5). Key specifications — Compatible Tap Size: 7/16"-14; Internal Thread Fit: 2B; System of Measurement: Inch; Thread Type: Coarse; Wall Type: Heavy Wall; External Thread Fit: 2A.
APPROVED VENDOR Self Locking Thread Insert: Std Wall, M5-0.80 Int Thrd Sz, M8-1.25 Ext Thrd Sz (MPN 416-5). Key specifications — Compatible Tap Size: M8-1.25; Internal Thread Fit: 6H; System of Measurement: Metric; Thread Type: Coarse; Wall Type: Standard Wall; Drill Bit Size: 6.9mm; External Thread Fit: 6G.
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