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Precision V-COIL rapid STI HexTap thread tap for metric threads and repair applications
V-COIL rapid

STI HexTap V-COIL rapid machine tap Form D HSS-G - STI - M 12 x 1.5

Item no. 03402

€13.40

in stock - more than 100 pieces available
Application
STI HexTap V-COIL rapid Machine Tap Form D HSS-G – M 12 x 1.5

STI HexTap V-COIL rapid Machine Tap Form D HSS-G – M 12 x 1.5

The STI HexTap V-COIL rapid machine tap is the ideal tool when you need to cut an STI thread for thread inserts according to ISO 2 (6H). Thanks to the 1/4'' hex drive, you can use it by hand or with a cordless drill.

Applications
  • For thread inserts according to ISO 2 (6H)
  • For free-cutting materials up to 900 N/mm²
  • For unalloyed and low-alloy steels
  • For manual or cordless drill use
  • For through and blind holes
  • For all 1/4'' hex drive tools

Benefits & Features
  • Precise production of STI threads
  • Suitable for through and blind holes
  • Clean guidance thanks to Form D
  • Durable due to robust HSS-G
  • No additional adapter needed – 1/4'' hex drive
  • Ideal for workshop, assembly and maintenance

Step-by-step Instructions
  1. 1. Preparation: Drill the damaged thread to STI core size, chamfer the edges and clean everything.
  2. 2. Alignment: Position the tap exactly perpendicular.
  3. 3. Tapping: Cut steadily – by hand or at low speed.
  4. 4. Inspection: Check the thread and insert the thread insert.

Technical Data
  • Form: D
  • Material: HSS-G
  • Tolerance: ISO 1 (4H)
  • For thread inserts according to: ISO 2 (6H)
  • Nominal size: M12 × 1.5
  • Overall length (L1): 50 mm
  • Thread length (L2): 30 mm
  • Diameter (B): 14 mm
  • Drive: 1/4'' hex
  • Article number: 03402
  • EAN: 4022835034025

Scope of Delivery
  • 1 × STI HexTap V-COIL rapid Machine Tap M12 x 1.5 (03402)

Frequently Asked Questions (FAQ)

What is an STI thread?
A special pre-thread for thread inserts used to repair or reinforce damaged internal threads permanently.

What does Form D mean?
A cutting geometry offering good chip evacuation, suitable for both through and blind holes.

How is the tap driven?
Via a 1/4'' hex drive – perfect for hand tools or cordless screwdrivers.

Which materials is it suitable for?
For free-cutting materials up to 900 N/mm², unalloyed and low-alloy steels.

What tolerances apply?
The tap has ISO 1 (4H), the finished STI thread corresponds to ISO 2 (6H) once the insert is installed.

Do you have questions regarding selection or usage? Our team is happy to help – simply use the contact form.

Additional information
Type of thread metric ISO-thread
Standard Works Standard
Form Form D
Material HSS-G
Tolerance ISO1 (4H)
Size M 12 x 1.5
Overall length (L1) 50 mm
Thread length (L2) 30 mm
Diameter (B) 14 mm
Drive connector Sechskant 1/4" Zoll
Width across flat (SW1) 1/4 mm
EAN 4022835034025
Item number 03402
Type of flute straight fluted
Application for through and blind holes
Thread standard DIN 13
STI HexTap V-COIL rapid Machine Tap Form D HSS-G – M 12 x 1.5

STI HexTap V-COIL rapid Machine Tap Form D HSS-G – M 12 x 1.5

The STI HexTap V-COIL rapid machine tap is the ideal tool when you need to cut an STI thread for thread inserts according to ISO 2 (6H). Thanks to the 1/4'' hex drive, you can use it by hand or with a cordless drill.

Applications
  • For thread inserts according to ISO 2 (6H)
  • For free-cutting materials up to 900 N/mm²
  • For unalloyed and low-alloy steels
  • For manual or cordless drill use
  • For through and blind holes
  • For all 1/4'' hex drive tools

Benefits & Features
  • Precise production of STI threads
  • Suitable for through and blind holes
  • Clean guidance thanks to Form D
  • Durable due to robust HSS-G
  • No additional adapter needed – 1/4'' hex drive
  • Ideal for workshop, assembly and maintenance

Step-by-step Instructions
  1. 1. Preparation: Drill the damaged thread to STI core size, chamfer the edges and clean everything.
  2. 2. Alignment: Position the tap exactly perpendicular.
  3. 3. Tapping: Cut steadily – by hand or at low speed.
  4. 4. Inspection: Check the thread and insert the thread insert.

Technical Data
  • Form: D
  • Material: HSS-G
  • Tolerance: ISO 1 (4H)
  • For thread inserts according to: ISO 2 (6H)
  • Nominal size: M12 × 1.5
  • Overall length (L1): 50 mm
  • Thread length (L2): 30 mm
  • Diameter (B): 14 mm
  • Drive: 1/4'' hex
  • Article number: 03402
  • EAN: 4022835034025

Scope of Delivery
  • 1 × STI HexTap V-COIL rapid Machine Tap M12 x 1.5 (03402)

Frequently Asked Questions (FAQ)

What is an STI thread?
A special pre-thread for thread inserts used to repair or reinforce damaged internal threads permanently.

What does Form D mean?
A cutting geometry offering good chip evacuation, suitable for both through and blind holes.

How is the tap driven?
Via a 1/4'' hex drive – perfect for hand tools or cordless screwdrivers.

Which materials is it suitable for?
For free-cutting materials up to 900 N/mm², unalloyed and low-alloy steels.

What tolerances apply?
The tap has ISO 1 (4H), the finished STI thread corresponds to ISO 2 (6H) once the insert is installed.

Do you have questions regarding selection or usage? Our team is happy to help – simply use the contact form.

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