Sandvik UNF 3/8-24 Spiral Flute Tap – Premium Blind-Hole Tapping (DIN 2184-1)

Designed for threading steels, stainless steels, and cast irons (PMK). The 45o spiral flute geometry provides excellent chip evacuation in blind holes, delivering consistent, high-quality threads and improved tool life in both CNC and manual machining environments.

Key Features & Benefits

Extended Tool Life – HSS-PM substrate combined with PVD FeN coating reduces wear and galling.
Superior Chip Evacuation – 45o spiral flute pushes chips upward and out of blind holes.
Production Ready – DIN 2184-1 shank design ensures rigidity and repeatable performance.
Precision Threading – Ground to UNF 2B tolerance for accurate and reliable thread quality.

Technical SpecificationsWhy Choose This Tool?

The Sandvik UNF 3/8-24 spiral flute tap is built with a premium HSS-PM substrate and PVD FeN coating for enhanced wear resistance and longer service life. Its 45o spiral flute design ensures efficient chip evacuation in blind holes, making it ideal for producing precise, repeatable threads in demanding PMK materials on CNC or conventional machines.

Specification	Metric	Imperial
Workpiece Material(s)	PMK
Thread Size	UNF 3/8-24	3/8-24
Thread Form	UNF 60o	UNF 60o
Thread Pitch	1.058 mm	24 TPI
Thread Diameter	9.53 mm	0.375 in
Tap Chamfer Length	2.28 mm	0.0896 in
Premachined Hole Diameter	8.50 mm	0.3346 in
Premachined Hole Type / Hole Type	Blind hole	Blind hole
Thread Tolerance Class	2B
Shank Standard	DIN 2184-1
Usable Length (LU)	39 mm	1.5354 in
Functional Length (LF)	100 mm	3.937 in
Overall Length (OAL)	102 mm	4.0079 in
Neck Diameter	7.60 mm	0.2992 in
Flute Count	3
Flute Helix Angle	45o
Radial Rake Angle	13o
Threading Length	15 mm	0.5906 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 10.00 × 8.00
Connection Diameter (Machine Side)	10.0 mm	0.3937 in
Connection Diameter Tolerance	h9
Weight	0.052 kg	0.1146 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 3/8-24 Spiral Flute Tap – Premium Blind-Hole Tapping (DIN 2184-1)

Key Features & Benefits

Extended Tool Life – HSS-PM substrate combined with PVD FeN coating reduces wear and galling.
Superior Chip Evacuation – 45o spiral flute pushes chips upward and out of blind holes.
Production Ready – DIN 2184-1 shank design ensures rigidity and repeatable performance.
Precision Threading – Ground to UNF 2B tolerance for accurate and reliable thread quality.

Technical SpecificationsWhy Choose This Tool?

Specification	Metric	Imperial
Workpiece Material(s)	PMK
Thread Size	UNF 3/8-24	3/8-24
Thread Form	UNF 60o	UNF 60o
Thread Pitch	1.058 mm	24 TPI
Thread Diameter	9.53 mm	0.375 in
Tap Chamfer Length	2.28 mm	0.0896 in
Premachined Hole Diameter	8.50 mm	0.3346 in
Premachined Hole Type / Hole Type	Blind hole	Blind hole
Thread Tolerance Class	2B
Shank Standard	DIN 2184-1
Usable Length (LU)	39 mm	1.5354 in
Functional Length (LF)	100 mm	3.937 in
Overall Length (OAL)	102 mm	4.0079 in
Neck Diameter	7.60 mm	0.2992 in
Flute Count	3
Flute Helix Angle	45o
Radial Rake Angle	13o
Threading Length	15 mm	0.5906 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 10.00 × 8.00
Connection Diameter (Machine Side)	10.0 mm	0.3937 in
Connection Diameter Tolerance	h9
Weight	0.052 kg	0.1146 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 3/8" UNF, DIN 2184-1 Short Body

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