M5–M12 Thread Repair Kit DIN 8140 1.5xD Stainless Steel HSS Taps & Twist Drills, 25 Inserts - TECWERK

Benefit from corrosion-resistant stainless-steel inserts and a complete M5–M12 repair set that complies with DIN 8140; the assortment enables secure, standardised thread restoration and reinforcement with minimal machine downtime. Order the TECWERK thread repair kit directly via Metav Werkzeuge or consult the technical team for compatibility advice.

Thread repair assortment DIN 8140 M5–M12 – stainless steel, 1.5×D (TECWERK)

The Thread Repair Kit DIN 8140 M5–M12 is a workshop-grade set designed for repairing, restoring and reinforcing internal threads in stainless-steel components across common metric sizes

• Complete M5–M12 kit for thread repair
• Stainless-steel, free-running thread inserts
• Includes HSS-G taps and twist drills
• DIN 8140 compliant, 1.5×D insert length

Reliable, standard-compliant thread restoration for production use

The kit provides a standardised approach to thread repair based on DIN 8140, ensuring reproducible results when restoring damaged threads in metal assemblies. The inclusion of stainless-steel thread inserts that run freely makes reworked threads compatible with the original component function while offering corrosion resistance. For production environments, this consistency reduces rework cycles and supports quality assurance processes by maintaining thread strength close to the original specification.

Ready-to-use tooling for precise hole preparation and insert fitting

Supplied components cover hole preparation and fitting: HSS-G taps for accurate internal thread cutting and dedicated twist drills for correct pilot hole sizes prevent dimensional drift. A manual insertion tool and a tang breaker enable secure installation and controlled tang removal without specialised machinery. Together, these items permit safe on-bench repairs and predictable fitment of inserts, so maintenance teams can complete service tasks with professional results and limited auxiliary tooling.

Minimise downtime and extend component life with engineered inserts

The use of 1.5×D length inserts increases the engaged thread length, improving load distribution and fatigue resistance compared with short repairs. Because the inserts are free-running and made from stainless steel, they deliver both functional continuity and corrosion protection where required. Specifying this kit supports a pragmatic cost–benefit approach: damaged parts can be salvaged rather than scrapped, leading to lower material loss and faster return to service for assemblies.

Suitable applications and practical recommendations for workshop use

Engineered for general maintenance, the set is particularly well suited to threaded holes in stainless-steel assemblies and similar metallic parts that require secure, corrosion-resistant repairs. For best results, follow the recommended drill diameter and tap sequence for each thread size and ensure chips are cleared during tapping. If application specifics are uncertain, Metav Werkzeuge can supply guidance on correct preparation and fitting practices to match the component material and operational load case.

For rapid, standard-compliant thread repairs with TECWERK components, contact Metav Werkzeuge for procurement and technical guidance — eMail info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: 2000867715NW
• Manufacturer: TECWERK
• SKU/UID: 2000867715NW
• Standard: DIN 8140
• Material: stainless steel

Facts

• Thread sizes covered: M5–M12
• Insert length: 1.5×D
• Pack unit: 1

Special features

• HSS-G taps for M5, M6, M8, M10, M12
• Twist drills Ø 5.2 mm, 6.3 mm, 8.3 mm, 10.4 mm, 12.4 mm
• Thread inserts for M5–M12, free-running, stainless steel
• Hand insertion tool and tang breaker, sizes 8, 9, 11, 13, 15
• Conforms to DIN 8140

FAQ

Which thread sizes are covered by the kit?
The Thread Repair Kit DIN 8140 M5–M12 covers metric threads from M5 through M12 and is supplied with matching taps and drill sizes for correct preparation.

Are the inserts suitable for corrosive environments?
Yes, the thread inserts in this TECWERK kit are made of stainless steel, providing corrosion resistance suitable for many wet or exposed applications.

What does 1.5×D insert length mean in practice?
An insert length of 1.5×D indicates the insert engages one and a half times the nominal thread diameter, offering improved load distribution compared with shorter inserts.

Can the set be used without power tools?
The kit includes a manual insertion tool and tang breaker to allow bench fitting of inserts; taps and twist drills are compatible with standard hand or machine tooling depending on workshop preference.

Is the kit compliant with a recognised standard?
Yes, the assortment is manufactured to meet DIN 8140, ensuring standard-compliant dimensions and fitment.

Manufacturer/Responsible: NORDWEST Handel AG, Robert-Schuman-Straße 17, 44263 Dortmund