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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M10-1.00 Thread Size, Plain - Free-Running Tanged Helical Inserts
HELI-COILFree-Running Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M10-1.00 Thread Size, Plain

The HELI-COIL Helical Insert (MPN R4255-10) is a free-running, tanged tang style insert with an M10-1.00 fine, right-hand thread. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and comes…

SKU 3G-OTH-599136

Also listed as: R425510 · R4255 10

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Free-Running, M10-1.00 Thread Size, Plain
Category
Free-Running Tanged Helical Inserts
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

HELI-COIL
Manufacturer Part Number
R4255-10
Type
Free-Running, M10-1.00 Thread Size, Plain, Plain, 12 PK

Technical Documents

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

Product Description

The HELI-COIL Helical Insert (MPN R4255-10) is a free-running, tanged tang style insert with an M10-1.00 fine, right-hand thread. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and comes in a 12-pack. 3G Electric interprets your demand for thread repair or reinforcement, sources this genuine HELI-COIL product, and supports your application with specialist expertise across 14 industrial departments.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a HELI-COIL helical insert used for?

A HELI-COIL helical insert repairs stripped or damaged threads in metal components or reinforces threads in softer materials. This M10-1.00 free-running tanged insert provides a strong, wear-resistant thread for applications requiring high tensile strength up to 250,000 psi.

What are the specifications of the HELI-COIL R4255-10 insert?

The HELI-COIL R4255-10 is a free-running tanged helical insert with M10-1.00 fine, right-hand threads. It is made from 18-8 metal, offers a tensile strength of 200,000 to 250,000 psi, and comes in a 12-pack. The insert is plain finish and metric.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies genuine HELI-COIL helical inserts like the R4255-10 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to source this product for your thread repair or reinforcement application.

How to install a HELI-COIL tanged helical insert?

To install a HELI-COIL tanged helical insert, drill out the damaged thread to the specified tap drill size, tap the hole with the correct HELI-COIL tap, then use the installation tool to wind the insert into the tapped hole. Break off the tang after installation for a permanent 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 free-running 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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