Thread Repair Kits, BSF 7/16 - 1,5D

Applications:

• Repair of stripped or damaged BSF 7/16 × 18 internal threads
• Reinforcement of threads in soft materials (aluminium, brass, plastics)
• Recovery of rejected or worn-out components
• Creation of strong and long-lasting internal threads
• Perfect for maintenance, repair and small-scale production
• Wire thread inserts according to DIN 8140, ISO 2 (6H), Type S – free running, stainless steel

Advantages:

• Improved load-bearing capacity after repair
• High resistance to corrosion and temperature
• Precision cutting with ground HSS-G STI tap
• Easy manual operation without additional machines
• Compact and durable plastic case for safe storage

1. Drill: Use the STI twist drill (Ø 11.5 mm) to prepare the hole.
2. Tap: Cut the new STI thread using the included HSS-G tap.
3. Insert: Screw in the stainless insert with the hand tool until flush.
4. Break tang: Remove the driving tang with the tang break tool.
5. Check: Test the repaired thread with a matching BSF screw.

• Brand: V-COIL
• Nominal size: BSF 7/16" × 18
• Repair length: 1.5D
• Material: Stainless steel
• Packaging: Plastic case
• EAN: 4022835041672
• Article number: 04167

• 1× STI Short Machine Tap, Form D, HSS-G, BSF 7/16 × 18 (03257)
• 1× Tang Break Tool, No. 14 (07014)
• 1× Insertion Tool with Locking Ring, No. 14 (08014)
• 10× Wire Thread Inserts – Type S – Free Running BSF 7/16 × 18 – 1.5 D (08367)
• 1× STI Twist Drill 11.5 mm (00115)

Can I use it on aluminium?
Yes, the stainless steel inserts are ideal for soft materials like aluminium or brass.

What does 1.5D mean?
The insert length equals 1.5 times the nominal diameter, ensuring better holding strength.

Is the drill included?
Yes, the correct STI twist drill (Ø 11.5 mm) is included.

Is it suitable for hand use?
Yes, all tools are designed for manual use.

How durable is the repair?
Properly installed, the repaired thread is stronger than the original.

Are other sizes available?
Yes, V-COIL kits are available in BSF, BSW, UNC, and UNF sizes.

Need help or spare parts?
Contact us via the contact form.