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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 - 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 designed for producing STI threads for use with thread inserts according to ISO 2 (6H). With its Form D geometry and 1/4'' hex drive, it can be used both manually and with a cordless powertool – ideal for thread repair, maintenance, and production tasks.

Application
  • For thread inserts according to ISO 2 (6H)
  • Non-abrasive materials up to 900 N/mm²
  • Unalloyed and low alloyed steels
  • For through and blind holes
  • To be used by hand or cordless powertool
  • All tools with 1/4” hexagon drive

Advantages
  • Precise STI thread cutting for inserts
  • Usable for through and blind holes
  • Form D for easy start and chip control
  • Robust HSS-G construction for long tool life
  • Quick tool change with 1/4'' hex shank
  • Suitable for maintenance, repair, and assembly

Step-by-Step Guide
  1. 1. Preparation: Drill the old thread hole to the correct STI diameter, deburr edges, and clean the bore.
  2. 2. Alignment: Align the tap precisely perpendicular to the surface.
  3. 3. Thread Cutting: Tap evenly by hand or with a low-speed cordless drill.
  4. 4. Reverse: Rotate counterclockwise to remove chips.
  5. 5. Inspection: Check the finished STI thread and install the insert.

Technical Data
  • Form: D
  • Material: HSS-G
  • Tolerance: ISO 1 (4H)
  • For thread inserts: ISO 2 (6H)
  • Nominal size: M 12 × 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

FAQ

What is an STI thread?
An STI (Screw Thread Insert) thread is a special oversized internal thread designed to hold a thread insert for repair or reinforcement.

What does Form D mean?
Form D provides an optimized chamfer for both through and blind holes.

Can it be used by hand?
Yes, thanks to the 1/4'' hex drive, it fits manual tap wrenches or cordless powertools.

Which materials are recommended?
Non-abrasive materials up to 900 N/mm², unalloyed and low alloyed steels.

What thread fit will the insert create?
The insert produces a final ISO 2 (6H) thread fit after installation.

Questions about use or selection? Our team will be happy to help – 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 1/4"
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 designed for producing STI threads for use with thread inserts according to ISO 2 (6H). With its Form D geometry and 1/4'' hex drive, it can be used both manually and with a cordless powertool – ideal for thread repair, maintenance, and production tasks.

Application
  • For thread inserts according to ISO 2 (6H)
  • Non-abrasive materials up to 900 N/mm²
  • Unalloyed and low alloyed steels
  • For through and blind holes
  • To be used by hand or cordless powertool
  • All tools with 1/4” hexagon drive

Advantages
  • Precise STI thread cutting for inserts
  • Usable for through and blind holes
  • Form D for easy start and chip control
  • Robust HSS-G construction for long tool life
  • Quick tool change with 1/4'' hex shank
  • Suitable for maintenance, repair, and assembly

Step-by-Step Guide
  1. 1. Preparation: Drill the old thread hole to the correct STI diameter, deburr edges, and clean the bore.
  2. 2. Alignment: Align the tap precisely perpendicular to the surface.
  3. 3. Thread Cutting: Tap evenly by hand or with a low-speed cordless drill.
  4. 4. Reverse: Rotate counterclockwise to remove chips.
  5. 5. Inspection: Check the finished STI thread and install the insert.

Technical Data
  • Form: D
  • Material: HSS-G
  • Tolerance: ISO 1 (4H)
  • For thread inserts: ISO 2 (6H)
  • Nominal size: M 12 × 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

FAQ

What is an STI thread?
An STI (Screw Thread Insert) thread is a special oversized internal thread designed to hold a thread insert for repair or reinforcement.

What does Form D mean?
Form D provides an optimized chamfer for both through and blind holes.

Can it be used by hand?
Yes, thanks to the 1/4'' hex drive, it fits manual tap wrenches or cordless powertools.

Which materials are recommended?
Non-abrasive materials up to 900 N/mm², unalloyed and low alloyed steels.

What thread fit will the insert create?
The insert produces a final ISO 2 (6H) thread fit after installation.

Questions about use or selection? Our team will be happy to help – use the contact form.

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