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HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #10-32 Thread Size, Plain - Screw-Locking Tanged Helical Inserts
HELI-COILScrew-Locking Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #10-32 Thread Size, Plain

The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert with a #10-32 fine thread, right-hand direction, and a tensile strength of 200,000 psi. Made from Nitronic 60 material, it is compatible with…

SKU 3G-OTH-529047

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Screw-Locking, #10-32 Thread Size, Plain
Category
Screw-Locking Tanged Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
A3591-3EN475
Type
Screw-Locking, #10-32 Thread Size, Plain, Plain, 100 PK
Tensile Strength
200,000 psi
Finish Type
Plain
Thread Type
Fine
STI Tap Size
#10-32
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
Nitronic 60
System of Measurement
Inch
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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert with a #10-32 fine thread, right-hand direction, and a tensile strength of 200,000 psi. Made from Nitronic 60 material, it is compatible with metal and comes in a 100-piece pack (MPN A3591-3EN475).

Frequently Asked Questions

What is a HELI-COIL helical insert used for?

A HELI-COIL helical insert repairs or reinforces threads in metal. This screw-locking, tanged tang-style insert with #10-32 fine thread and 200,000 psi tensile strength provides strong, wear-resistant threads in applications like automotive, aerospace, and industrial machinery.

What are the specifications of the HELI-COIL A3591-3EN475 insert?

This HELI-COIL insert has a #10-32 fine thread, right-hand direction, and a tensile strength of 200,000 psi. It is made from Nitronic 60 material, has a plain finish, and is compatible with metal. The pack contains 100 pieces (MPN A3591-3EN475).

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this #10-32 screw-locking insert (A3591-3EN475) to your facility. Contact us for availability and lead time.

How to install a HELI-COIL tanged helical insert?

To install a HELI-COIL tanged insert, drill the hole to the specified STI tap size (#10-32), tap threads with the corresponding STI tap, then use a tang-break tool to insert the coil. After installation, break off the tang at the notch for a secure, screw-locking thread.

Used in

Common applications for HELI-COIL
Aerospace engine repair — HELI-COIL STI taps for M12x1.75 metric threads in aluminum alloy components
Automotive transmission rebuild — HELI-COIL STI taps for 7/16-14 UNC threads in cast iron housings
Industrial pump maintenance — HELI-COIL STI taps for #10-32 UNF threads in stainless steel pump bodies
Hydraulic cylinder repair — HELI-COIL STI taps for M6x1 metric threads in steel cylinder heads
General manufacturing — HELI-COIL STI taps for 9/16-18 UNF threads in machinery base plates

HELI-COIL Products

3G Electric supplies HELI-COIL screw-locking tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-28 Thread Size, Plain, 100 PK (MPN A3591-4CN500). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: 1/4"-28; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Fine.
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HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-28 Thread Size, Plain, 100 PK (MPN A3591-4CN500). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: 1/4"-28; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Fine.
HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 3/4"-16 Thread Size, 1 1/8 in Overall Lg (MPN 3591-12CN1125). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: 3/4"-16; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Fine.
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HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 3/4"-16 Thread Size, 1 1/8 in Overall Lg (MPN 3591-12CN1125). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: 3/4"-16; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Fine.
HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-28 Thread Size, 500 PK (MPN 3591-4CNW500S). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: 1/4"-28; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Fine.
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HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M3-0.50 Thread Size, Plain, 100 PK (MPN A4184-3CN030). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: M3-0.50; Compatible Material: Metal; System of Measurement: Metric; Brand: HELI-COIL; Drill Bit Size: 3.15mm; Tensile Strength: 200,000 to 250,000 psi.
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HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M10-1.50 Thread Size, Plain, 100 PK (MPN A4184-10CN250). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: M10-1.50; Compatible Material: Metal; System of Measurement: Metric; Brand: HELI-COIL; Drill Bit Size: 10.5mm; Tensile Strength: 200,000 to 250,000 psi.
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