Thread Repair Kits, BSF 5/8 - 1,5D

Application:

• Repair of damaged or worn BSF 5/8 × 14 internal threads
• Reinforcement of threads in materials with low shear strength (aluminium, brass, plastics)
• Recovery of high-value parts and assemblies
• Creation of new, durable and accurate internal threads
• Perfect for maintenance, installation and small-series production
• Wire thread inserts to DIN 8140, ISO 2 (6H), Type S – free running, stainless steel

Advantages:

• Higher tensile and shear capacity after repair
• Heat and corrosion resistance for demanding environments
• Clean, repeatable results with ground HSS-G tooling
• Hand operation possible — no special machinery required
• Compact, functional case for organized storage

1. Prepare: Clean the damaged thread and check hole size for STI tapping.
2. Tap: Cut the STI thread with the included HSS-G tap (BSF 5/8 × 14).
3. Install: Drive the stainless steel insert using the hand installer until it sits flush.
4. Finish: Break the tang with the installer tool if required for your application.
5. Verify: Check fit using a matching BSF screw/plug gauge.

• Brand: V-COIL
• Nominal size: BSF 5/8" × 14
• Repair length: 1.5D
• Material: Stainless steel inserts
• Packaging: Plastic cassette
• EAN: 4022835041702
• SKU: 04170

• 1× STI short machine tap, Form D, HSS-G, BSF 5/8 × 14 (03260)
• 1× Hand inserting tool with locking ring No. 18 (08018)
• 10× Wire thread inserts – Type S – free running – BSF 5/8 × 14 – 1.5 D (08370)

Can I use this kit on aluminium?
Yes. Stainless steel inserts are ideal for soft materials like aluminium, brass or plastics.

What does 1.5D mean?
The insert length is 1.5× the nominal diameter, increasing load-bearing capability.

Is a drill included?
No separate drill is required for this configuration; follow the STI tapping steps and verify the hole size.

Is hand use possible?
Yes, the set is designed for reliable hand operation.

How durable is the repair?
Correctly installed, the new thread is often stronger than the original parent material.

Need other sizes?
V-COIL covers BSF, BSW, UNC and UNF ranges with matching kits and spare inserts.