Refill pack with 5 V-COIL free-running thread inserts UNF 3/8 x 24 – 2.0 D, two inserts shown outside the package.

Two cylindrical wire thread inserts for thread repair, one lying down and one standing upright.

Metric - metric fine

V-COIL Wire thread inserts, Refill pack Free running type S M 3 x 0.5 - 1.5 D (10 pcs.)

Item no. 40305

€4.40

in stock - more than 100 pieces available

VÖLKEL delivers exclusively to specialized dealers. Online you can buy VÖLKEL products here.

The prices are in Euro plus VAT and shipping, insurance and packaging costs.

Application

V-COIL M3 Thread Inserts Refill Pack: The Quick Solution for Perfect Threads

A damaged thread can bring a project to a halt. With the V-COIL Thread Inserts Refill Pack, you have a quick and reliable solution at your fingertips. This practical set contains 10 free-running thread inserts made of stainless steel, specifically developed for the repair or reinforcement of M3 metric threads. Rely on V-COIL to restore your threads permanently and securely.

The Advantages of V-COIL Thread Inserts

V-COIL thread inserts are not just a repair tool but also an intelligent solution for adding value to your projects. The refill pack is designed to make your work as efficient and convenient as possible.

Service-oriented and Practical: The refill pack allows you to buy only the sizes you need without having to invest in a complete kit.
Versatile Application: Ideal for thread repair of damaged or worn threads. Also perfect for thread reinforcement in materials with low shear strength, such as aluminum, brass, or plastics, to significantly increase load-bearing capacity.
Scrap Recovery: With V-COIL, incorrectly drilled or damaged parts can be saved easily and cost-effectively.

Details on the M 3 x 0.5 - 1.5 D Thread Insert

This "free-running" and "Type S" thread insert is made of high-quality stainless steel according to DIN 8140.

Thread: M3 metric ISO thread
Pitch: 0.5 mm
Length: 1.5 D. This means the length of the insert is 1.5 times the nominal diameter (3 mm), which is 4.5 mm.
Tolerance: 2B, which ensures a high-quality, play-free fit.
Contents: 10 pieces per pack.

Want to Know More? Visit Our Blog!

We have compiled detailed information and valuable tips on the topic of thread inserts in our blog. Take a look to deepen your knowledge:

Frequently Asked Questions (FAQ)

What does "free-running" mean?

"Free-running" means that the thread inserts have a spiral shape without a locking function. The installed threads are free to move for standard screws and bolts, and they provide a low-friction and strong connection.

What is the difference between a refill pack and a repair kit?

A refill pack contains only the thread inserts in a specific size. A repair kit (or set) also includes the matching tools: a special drill bit, a tap, an installation tool, and a tang breaker.

Why is the length specified as "1.5 D"?

The length designation "1.5 D" is a standardized abbreviation. The "D" stands for the nominal diameter of the thread (in this case, 3 mm). The length of the insert is therefore 1.5 times the diameter, which is 1.5 x 3 mm = 4.5 mm.

Additional information

Type of thread	metric ISO-thread
Standard	DIN 8140
Material	from stainless steel
Tolerance	ISO2 (6H)
Size	M 3 x 0.5
Length	1.5 x D
Packaging unit (piece)	10
EAN	4022835403050
Item number	40305
Thread standard	DIN 13
Packing unit (pcs.)	10