STI HexTap V-COIL rapid machine tap Form D HSS-G - M 14 x 1.5

• 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 use or cordless screwdrivers
• For through and blind holes
• Compatible with all 1/4'' hex drives

• Precise production of STI threads
• Suitable for both through and blind holes
• Optimised chip removal thanks to Form D
• High durability due to robust HSS-G
• No adapter needed – 1/4'' hex drive
• Perfect for workshop, assembly and repair

1. 1. Preparation: Bring the bore to STI size, chamfer and clean.
2. 2. Alignment: Position the tap perpendicular to the workpiece.
3. 3. Tapping: Apply even feed – by hand or slowly with a cordless screwdriver.
4. 4. Inspection: Check the thread and insert the thread insert.

• Form: D
• Material: HSS-G
• Tolerance: ISO 1 (4H)
• For thread inserts according to: ISO 2 (6H)
• Size: M14 × 1.25
• Overall length (L1): 50 mm
• Thread length (L2): 30 mm
• Diameter (B): 14 mm
• Drive: Hex 1/4''
• Article number: 03403
• EAN: 4022835034032

• 1 × STI HexTap V-COIL rapid machine tap M14 x 1.25 (03403)

What is an STI thread?
A special pre-thread for thread inserts, ideal for reinforcing or repairing damaged internal threads.

What does Form D mean?
A cutting geometry with good chip removal – suitable for both blind and through holes.

How is the tap driven?
Via a 1/4'' hex drive – compatible with hand tools and cordless screwdrivers.

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

What tolerances apply?
The tap corresponds to ISO 1 (4H); the finished thread with insert meets ISO 2 (6H).