What is the V-COIL rapid kit UNC 5/16 x 18 – 1.5D used for?

It is designed for fast, precise, and durable repair of damaged or worn UNC threads, and for strengthening materials with low shear strength.

What does 1.5D mean for the inserts?

The insert length equals 1.5 times the nominal thread diameter – the standard for most repair applications.

Can I use the kit with a cordless drill?

Yes, all tools have a 1/4'' hex drive and can be used manually or with a power tool.

Can replacement inserts be ordered separately?

Yes, all V-COIL components such as inserts, drills, and tools are available separately.

What does UNC 5/16 x 18 mean?

UNC stands for Unified National Coarse – an inch-based coarse thread with a diameter of 5/16 inch and 18 threads per inch.

What is the V-COIL rapid kit UNC 5/16 x 18 – 1.5D used for?

It is designed for fast, precise, and durable repair of damaged or worn UNC threads, and for strengthening materials with low shear strength.

What does 1.5D mean for the inserts?

The insert length equals 1.5 times the nominal thread diameter – the standard for most repair applications.

Can I use the kit with a cordless drill?

Yes, all tools have a 1/4'' hex drive and can be used manually or with a power tool.

Can replacement inserts be ordered separately?

Yes, all V-COIL components such as inserts, drills, and tools are available separately.

What does UNC 5/16 x 18 mean?

UNC stands for Unified National Coarse – an inch-based coarse thread with a diameter of 5/16 inch and 18 threads per inch.

V-COIL rapid

V-COIL rapid Thread Repair Kits, UNC 5/16 x 18 - 1,5D

Name: V-COIL rapid Thread Repair Kit UNC 5/16 x 18 - 1.5D
Brand: V-COIL
SKU: 04408
Price: 34.70 EUR
Availability: InStock

Item no. 04408

€34.70

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 Rapid Thread Repair Kit UNC 5/16 x 18 – 1.5D

V-COIL rapid Thread Repair Kit UNC 5/16 x 18 – 1.5D

The V-COIL rapid Thread Repair Kit provides a quick, precise, and durable solution for restoring damaged internal UNC threads. The set combines stainless-steel inserts (Type S, 1.5D) with a rapid installation tool, an STI tap, and an STI twist drill – ideal for maintenance, assembly, and small-scale production.

Application

Repair of damaged or worn threads
Thread reinforcement in materials with low shear strength
Recovery of rejected parts
Creation of new, strong, and long-lasting threads
Ideal for maintenance, assembly, and small series
Thread inserts according to DIN 8140, ISO 2 (6H), Type S, stainless steel

Advantages

All tools with 1/4″ hex drive
Usable by hand or with a cordless drill
No manual adjustment needed during installation
Compact and easy to handle, even in tight spaces
Smaller and lighter than conventional repair systems
Corrosion and temperature resistant
Same price as the standard system
Functional and durable storage case

1× V-COIL rapid STI twist drill, 8.3 mm – VÖLKEL 03085
1× V-COIL rapid STI tap, Form D, HSS-G, 5/16 × 18 – VÖLKEL 03421
1× Tang break tool M 8 × 1.25, No. 11 – VÖLKEL 07095
10× Thread inserts Type S, free running UNC 5/16 × 18 – 08307
1× V-COIL rapid installation tool, 5/16 UNC – VÖLKEL 08196

Step-by-Step Instructions

1. Preparation: Drill out the damaged thread, deburr and clean the hole.
2. Tapping: Cut the new receiving thread using the STI tap.
3. Inserting: Install the insert using the rapid tool and align flush.
4. Tang removal: Break off the driving tang if present.
5. Checking: Verify the fit using a screw or thread gauge.

FAQ

What does UNC 5/16 × 18 mean?
UNC stands for Unified National Coarse, an inch-based coarse thread with 5/16 inch diameter and 18 threads per inch.

Can the kit be used with a cordless drill?
Yes, the 1/4″ hex drive allows both manual and powered use.

Are the inserts corrosion resistant?
Yes, they are made of high-quality stainless steel and are temperature- and corrosion-resistant.

Do I need to adjust the insert manually?
No, the rapid system requires no manual alignment during assembly.

Can I purchase replacement components?
Yes, inserts, drills, and tools are all available separately.

Questions about use or compatibility? Our team will be happy to help – use the contact form.

Additional information

Material	Wire Thread Inserts frostainless steel
Size	Diameter 6 x 1.0
Drive connector	Hexagon 1/4" inch
Packing	in plastic case
EAN	4022835043102
Item number	04408

V-COIL Rapid Thread Repair Kit UNC 5/16 x 18 – 1.5D

V-COIL rapid Thread Repair Kit UNC 5/16 x 18 – 1.5D

Application

Repair of damaged or worn threads
Thread reinforcement in materials with low shear strength
Recovery of rejected parts
Creation of new, strong, and long-lasting threads
Ideal for maintenance, assembly, and small series
Thread inserts according to DIN 8140, ISO 2 (6H), Type S, stainless steel

Advantages

All tools with 1/4″ hex drive
Usable by hand or with a cordless drill
No manual adjustment needed during installation
Compact and easy to handle, even in tight spaces
Smaller and lighter than conventional repair systems
Corrosion and temperature resistant
Same price as the standard system
Functional and durable storage case

1× V-COIL rapid STI twist drill, 8.3 mm – VÖLKEL 03085
1× V-COIL rapid STI tap, Form D, HSS-G, 5/16 × 18 – VÖLKEL 03421
1× Tang break tool M 8 × 1.25, No. 11 – VÖLKEL 07095
10× Thread inserts Type S, free running UNC 5/16 × 18 – 08307
1× V-COIL rapid installation tool, 5/16 UNC – VÖLKEL 08196

Step-by-Step Instructions

1. Preparation: Drill out the damaged thread, deburr and clean the hole.
2. Tapping: Cut the new receiving thread using the STI tap.
3. Inserting: Install the insert using the rapid tool and align flush.
4. Tang removal: Break off the driving tang if present.
5. Checking: Verify the fit using a screw or thread gauge.

FAQ

What does UNC 5/16 × 18 mean?
UNC stands for Unified National Coarse, an inch-based coarse thread with 5/16 inch diameter and 18 threads per inch.

Can the kit be used with a cordless drill?
Yes, the 1/4″ hex drive allows both manual and powered use.

Are the inserts corrosion resistant?
Yes, they are made of high-quality stainless steel and are temperature- and corrosion-resistant.

Do I need to adjust the insert manually?
No, the rapid system requires no manual alignment during assembly.

Can I purchase replacement components?
Yes, inserts, drills, and tools are all available separately.

Questions about use or compatibility? Our team will be happy to help – use the contact form.