Helicoil Screw Thread Insert STI Taps 

Before Helicoil insert installation , the drilled hole has to be tapped with a Helicoil STI hand tap or machine tap of the correct tap size.

Types of Helicoil Taps available include:

Helicoil Taper Tap (Helicoil Roughing Tap)
- 4 thread chamfer
- used for difficult tapping operations and for starting tapping operations on difficult holes

Helicoil Intermediate Tap (Helicoil Finishing Tap)
- 4 thread chamfer
- used for hand or machine tapping in through holes and blind holes where ample chip clearance is available

Helicoil Plug Tap (Helicoil Bottoming Tap)
- 2 thread chamfer
- used for tapping blind holes where a maximum number of fully-formed threads are needed in minimum depth holes

Helicoil Spiral Flute Tap (Machine Tap)
- 2 thread chamfer
- can be used manually or attached to tapping drivers

Helicoil Spiral Point Tap (Machine Tap)
2 thread chamfer
- similar to spiral flute taps except that they are more suitable for through holes on less abrasive materials

Helicoil Taper Tap (Helicoil Roughing Tap, Helicoil Intermediate Tap (Helicoil Finishing Tap, Helicoil Plug Tap (Helicoil Bottoming Tap, Helicoil Spiral Flute Tap (Machine Tap), Helicoil Spiral Point Tap (Machine Tap)

Part Numbers

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	Part #	Description	Quantity	USD Ea.
	2CS	Helicoil Spiral Flute Machine Tap	100	$5.00
	Alt #: Packaging: Application: Repair of Engine Threads
	3CSB	Helicoil Spiral Point Machine Tap	100	$5.00
	Alt #: Packaging: Application: Repair of Engine Threads
	3FBB	Helicoil STI Tap	100	$5.00
	Alt #: Packaging: Application: Repair of Engine Threads
	4CBB	Helicoil Bottoming Plug Tap	100	$5.00
	Alt #: Packaging: Application: Repair of Engine Threads
	4CPB	Helicoil STI Tap	100	$5.00
	Alt #: Packaging: Application: Repair of Engine Threads
	4FBB	Helicoil STI Tap	100	$5.00
	Alt #: Packaging: Application: Repair of Engine Threads
	4FPB	Helicoil STI Tap	100	$5.00
	Alt #: Packaging: Application: Repair of Engine Threads
	8CPB	Helicoil Finishing Intermediate Tap	100	$5.00
	Alt #: Packaging: Application: Repair of Engine Threads
	8CRU	Helicoil Roughing Taper Tap	100	$5.00
	Alt #: Packaging: Application: Repair of Engine Threads