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HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #2-56 Thread Size, Plain - Screw-Locking Tangless Helical Inserts
HELI-COILScrew-Locking Tangless Helical Inserts

HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #2-56 Thread Size, Plain

HELI-COIL Tangless Tang Style Helical Insert is a screw-locking, #2-56 thread size, plain finish insert in a 1,000-piece pack. It features 18-8 material grade, right-hand thread direction, STI tap size #2-56, drill…

SKU 3G-OTH-532488

Brand
HELI-COIL
Item
Helical Insert: Tangless Tang Style, Screw-Locking, #2-56 Thread Size, Plain
Category
Screw-Locking Tangless Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
T3585-02C129S
Type
Screw-Locking, #2-56 Thread Size, Plain, 1,000 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
#2-56
Drill Bit Size
3/32
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
System of Measurement
Inch
View Full Spec Sheet

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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

HELI-COIL Tangless Tang Style Helical Insert is a screw-locking, #2-56 thread size, plain finish insert in a 1,000-piece pack. It features 18-8 material grade, right-hand thread direction, STI tap size #2-56, drill bit size 3/32, and tensile strength of 200,000 to 250,000 psi, compatible with metal.

Frequently Asked Questions

What is a HELI-COIL Tangless Tang Style helical insert used for?

A HELI-COIL Tangless Tang Style helical insert is used to repair or reinforce internal threads in metal components. It provides a strong, screw-locking thread for #2-56 fasteners, ideal for aerospace, automotive, and industrial applications where vibration resistance is critical.

What are the specifications of the HELI-COIL T3585-02C129S insert?

The HELI-COIL T3585-02C129S is a screw-locking, tangless helical insert with #2-56 thread size, plain finish, and 18-8 material grade. It requires a 3/32 drill bit and #2-56 STI tap, offers 200,000 to 250,000 psi tensile strength, and comes in a 1,000-piece pack.

Where to buy HELI-COIL helical inserts in worldwide?

3G Electric supplies HELI-COIL helical inserts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine HELI-COIL parts like the T3585-02C129S to any location, ensuring compliance with international shipping requirements.

How to install a HELI-COIL tangless screw-locking insert?

To install a HELI-COIL tangless screw-locking insert, drill a hole to 3/32, tap it with a #2-56 STI tap, then use a tangless installation tool to insert the coil. The screw-locking feature grips the fastener, and no tang removal is needed, simplifying the process for metal repairs.

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 tangless 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: Tangless Tang Style, Screw-Locking, #10-32 Thread Size, 100 PK (MPN AT3591-3CW190). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #10-32; 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: Tangless Tang Style, Screw-Locking, #2-56 Thread Size, Plain, 100 PK (MPN AT3585-02C086). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #2-56; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
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HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #6-32 Thread Size, Plain, 100 PK (MPN AT3585-06C138). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #6-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
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HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #6-32 Thread Size, Plain, 100 PK (MPN AT3585-06C138). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #6-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #8-32 Thread Size, Plain, 1,000 PK (MPN T3585-2C246S). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #8-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
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