Sandvik UNF 5/8-18 Spiral Flute Tap – Premium Blind-Hole Tapping (DIN 2184-1)

Built for demanding threading applications in steels, stainless steels, and cast irons (PMK). The 45o spiral flute geometry is optimized for blind holes, ensuring chips are lifted out cleanly for precise threads and longer tool life. Suitable for CNC machining centers and conventional machines.

Key Features & Benefits

Durable Construction – HSS-PM substrate with PVD FeN coating extends wear resistance and performance.
Efficient Chip Evacuation – 45o spiral flutes designed to pull chips up and out of blind holes.
DIN 2184-1 Standard – Ensures rigidity, compatibility, and repeatable performance in production setups.
Precision Threading – Manufactured to UNF 2B tolerance for consistent, accurate threads.

Technical SpecificationsWhy Choose This Tool?

The Sandvik UNF 5/8-18 spiral flute tap combines an HSS-PM substrate with a PVD FeN coating for long-lasting durability and precision. Its 45o spiral flutes make it ideal for blind-hole tapping, providing clean chip evacuation and reliable performance in steels, stainless steels, and cast irons. Perfect for high-accuracy production runs on CNC and manual machines.

Specification	Metric	Imperial
Workpiece Material(s)	PMK
Thread Size	UNF 5/8-18	5/8-18
Thread Form	UNF 60o	UNF 60o
Thread Pitch	1.41 mm	18 TPI
Thread Diameter	15.88 mm	0.625 in
Tap Chamfer Length	2.99 mm	0.1176 in
Premachined Hole Diameter	14.5 mm	0.5709 in
Premachined Hole Type / Hole Type	Blind hole	Blind hole
Thread Tolerance Class	2B
Shank Standard	DIN 2184-1
Usable Length (LU)	67.75 mm	2.6673 in
Functional Length (LF)	110 mm	4.3307 in
Overall Length (OAL)	110 mm	4.3307 in
Neck Diameter	11.6 mm	0.4567 in
Flute Count	4
Flute Helix Angle	45o
Radial Rake Angle	13o
Threading Length	20 mm	0.7874 in
Threading Chamfer Type	C = 2-3xTP
Chip Breaker	XM
Grade	C145
Substrate	HSS-PM
Coating	PVD FeN
Coolant Entry / Exit	Without / None
Connection – Machine Side	Tap shank DIN-metric 12.00 × 9.00
Connection Diameter (Machine Side)	12.0 mm	0.4724 in
Connection Diameter Tolerance	h9
Weight	0.0888 kg	0.1958 lb
Maximum Regrinds	0
Release Date	02/25/2014
Release Pack ID	14.1	-

This product is sold by a third-party seller and they are responsible for their product, the content of their listing and any exchanges of return of their product.

All products sold by third-parties are subject to guarantees that cannot be excluded under the Consumer Guarantees Act.

Sandvik UNF 5/8-18 Spiral Flute Tap – Premium Blind-Hole Tapping (DIN 2184-1)

Key Features & Benefits

Durable Construction – HSS-PM substrate with PVD FeN coating extends wear resistance and performance.
Efficient Chip Evacuation – 45o spiral flutes designed to pull chips up and out of blind holes.
DIN 2184-1 Standard – Ensures rigidity, compatibility, and repeatable performance in production setups.
Precision Threading – Manufactured to UNF 2B tolerance for consistent, accurate threads.

Technical SpecificationsWhy Choose This Tool?

Specification	Metric	Imperial
Workpiece Material(s)	PMK
Thread Size	UNF 5/8-18	5/8-18
Thread Form	UNF 60o	UNF 60o
Thread Pitch	1.41 mm	18 TPI
Thread Diameter	15.88 mm	0.625 in
Tap Chamfer Length	2.99 mm	0.1176 in
Premachined Hole Diameter	14.5 mm	0.5709 in
Premachined Hole Type / Hole Type	Blind hole	Blind hole
Thread Tolerance Class	2B
Shank Standard	DIN 2184-1
Usable Length (LU)	67.75 mm	2.6673 in
Functional Length (LF)	110 mm	4.3307 in
Overall Length (OAL)	110 mm	4.3307 in
Neck Diameter	11.6 mm	0.4567 in
Flute Count	4
Flute Helix Angle	45o
Radial Rake Angle	13o
Threading Length	20 mm	0.7874 in
Threading Chamfer Type	C = 2-3xTP
Chip Breaker	XM
Grade	C145
Substrate	HSS-PM
Coating	PVD FeN
Coolant Entry / Exit	Without / None
Connection – Machine Side	Tap shank DIN-metric 12.00 × 9.00
Connection Diameter (Machine Side)	12.0 mm	0.4724 in
Connection Diameter Tolerance	h9
Weight	0.0888 kg	0.1958 lb
Maximum Regrinds	0
Release Date	02/25/2014
Release Pack ID	14.1	-

This product is sold by a third-party seller and they are responsible for their product, the content of their listing and any exchanges of return of their product.

All products sold by third-parties are subject to guarantees that cannot be excluded under the Consumer Guarantees Act.

SANDVIK Sandvik HSS-PM Blue Spiral Flute PVD FeN coated Tap 5/8" UNF, DIN 2184-1 Long Body

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