V-COIL rapid Bộ sửa ren, UNC 5/16 x 18 - 1,5D

• 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 thép

• 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 Mũi khoan xoắn, 8.3 mm – VÖLKEL 03085
• 1× V-COIL rapid STI tap, Form D, HSS-G, 5/16 × 18 – VÖLKEL 03421
• 1× Dụng cụ bẻ chân ren cấy M 8 × 1.25, số 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

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

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 thép 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.