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Thread repair kit with durable tools for professional thread restoration.
Thread repair kit in V-COIL case with blue latch and high-quality tools.
Cutting tap by V-COIL for creating internal threads for repair inserts.
Stainless V-COIL inserts for precise repairs in metalworking.
V-COIL NO 50014 with ergonomic grip for workshop thread repairs
Thread repair kit with durable tools for professional thread restoration.
Thread repair kit in V-COIL case with blue latch and high-quality tools.
Cutting tap by V-COIL for creating internal threads for repair inserts.
Stainless V-COIL inserts for precise repairs in metalworking.
V-COIL NO 50014 with ergonomic grip for workshop thread repairs
Thread Repair Kits

Thread Repair Kits, BSF 3/4 - 1,5D

Item no. 04172

€70.40

in stock - more than 10 pieces available
Application
V-COIL Thread Repair Kit BSF 3/4" × 12

V-COIL Thread Repair Kit BSF 3/4" × 12 – 1.5D

The V-COIL Thread Repair Kit BSF 3/4" × 12 – 1.5D provides a reliable solution for rebuilding worn or stripped threads in mechanical parts. Designed for professional use in maintenance, repair and small-batch production, this high-quality kit ensures strong, long-lasting thread restoration. The stainless-steel wire inserts create internal threads that are corrosion-resistant and stronger than the original.

Applications & Benefits

Applications:

  • Repair of stripped or damaged BSF 3/4 × 12 threads
  • Reinforcement of soft materials such as aluminium, copper or plastic
  • Restoration of rejected or worn-out components
  • Creation of high-strength, wear-resistant internal threads
  • Perfect for workshop use, installations, and machine maintenance
  • Wire inserts DIN 8140, tolerance ISO 2 (6H), type S – free running, stainless steel

Advantages:

  • Durable repair with higher thread load capacity
  • Resistant to corrosion, heat and mechanical stress
  • Simple hand operation – no special tools needed
  • Robust, organized plastic case for easy handling
  • Excellent quality and precision from V-COIL
  • Ideal for mechanical workshops, maintenance and assembly work

Step-by-Step Instructions
  1. Drilling: Prepare the damaged thread hole using the appropriate STI twist drill.
  2. Tapping: Cut the new STI thread with the HSS-G tap using cutting oil.
  3. Inserting: Screw in the stainless-steel insert with the inserting tool until flush.
  4. Breaking the tang: Remove the tang using the tang break tool.
  5. Inspection: Check the repaired thread with a matching BSF screw.

Technical Data
  • Brand: V-COIL
  • Nominal size: BSF 3/4" × 12
  • Repair length: 1.5D
  • Material: Stainless steel
  • Packaging: Plastic case
  • EAN: 4022835041726
  • Article No.: 04172

Kit Contents
  • 1× STI short machine tap, form D, HSS-G, BSF 3/4 × 12 (03262)
  • 1× Inserting tool with locking ring, No. 20 (08020)
  • 5× Wire thread inserts – type S – free running – BSF 3/4 × 12 – 1.5 D (08372)

FAQ – Frequently Asked Questions

Is this kit suitable for aluminium?
Yes, the stainless inserts work perfectly with aluminium or other soft materials.

What does 1.5D mean?
The insert length is 1.5 times the nominal thread diameter for increased load strength.

Is the drill included?
The corresponding drill for this BSF size is available separately.

Can I use this kit manually?
Yes, all tools are designed for easy hand use without additional machines.

How durable is the repair?
If installed correctly, the repaired thread is stronger and longer-lasting than the original.

Are other BSF sizes available?
Yes, V-COIL offers complete BSF, BSW, UNC and UNF thread repair kits.

Need assistance or spare inserts?
Contact us via the contact form.

Questions or special requirements? Contact our team directly via the contact form.

Additional information
Material Wire Thread Inserts frostainless steel
Size Diameter BSF 3/4 x 12
Packing in plastic case
EAN 4022835041726
Item number 04172
V-COIL Thread Repair Kit BSF 3/4" × 12

V-COIL Thread Repair Kit BSF 3/4" × 12 – 1.5D

The V-COIL Thread Repair Kit BSF 3/4" × 12 – 1.5D provides a reliable solution for rebuilding worn or stripped threads in mechanical parts. Designed for professional use in maintenance, repair and small-batch production, this high-quality kit ensures strong, long-lasting thread restoration. The stainless-steel wire inserts create internal threads that are corrosion-resistant and stronger than the original.

Applications & Benefits

Applications:

  • Repair of stripped or damaged BSF 3/4 × 12 threads
  • Reinforcement of soft materials such as aluminium, copper or plastic
  • Restoration of rejected or worn-out components
  • Creation of high-strength, wear-resistant internal threads
  • Perfect for workshop use, installations, and machine maintenance
  • Wire inserts DIN 8140, tolerance ISO 2 (6H), type S – free running, stainless steel

Advantages:

  • Durable repair with higher thread load capacity
  • Resistant to corrosion, heat and mechanical stress
  • Simple hand operation – no special tools needed
  • Robust, organized plastic case for easy handling
  • Excellent quality and precision from V-COIL
  • Ideal for mechanical workshops, maintenance and assembly work

Step-by-Step Instructions
  1. Drilling: Prepare the damaged thread hole using the appropriate STI twist drill.
  2. Tapping: Cut the new STI thread with the HSS-G tap using cutting oil.
  3. Inserting: Screw in the stainless-steel insert with the inserting tool until flush.
  4. Breaking the tang: Remove the tang using the tang break tool.
  5. Inspection: Check the repaired thread with a matching BSF screw.

Technical Data
  • Brand: V-COIL
  • Nominal size: BSF 3/4" × 12
  • Repair length: 1.5D
  • Material: Stainless steel
  • Packaging: Plastic case
  • EAN: 4022835041726
  • Article No.: 04172

Kit Contents
  • 1× STI short machine tap, form D, HSS-G, BSF 3/4 × 12 (03262)
  • 1× Inserting tool with locking ring, No. 20 (08020)
  • 5× Wire thread inserts – type S – free running – BSF 3/4 × 12 – 1.5 D (08372)

FAQ – Frequently Asked Questions

Is this kit suitable for aluminium?
Yes, the stainless inserts work perfectly with aluminium or other soft materials.

What does 1.5D mean?
The insert length is 1.5 times the nominal thread diameter for increased load strength.

Is the drill included?
The corresponding drill for this BSF size is available separately.

Can I use this kit manually?
Yes, all tools are designed for easy hand use without additional machines.

How durable is the repair?
If installed correctly, the repaired thread is stronger and longer-lasting than the original.

Are other BSF sizes available?
Yes, V-COIL offers complete BSF, BSW, UNC and UNF thread repair kits.

Need assistance or spare inserts?
Contact us via the contact form.

Questions or special requirements? Contact our team directly via the contact form.

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