Sandvik 3/8-16 UNC Spiral Flute Tap – Premium Blind-Hole Tapping (DIN 2184-1)

Engineered for precision CNC and manual machining. The spiral flute geometry with a 45o helix ensures chips are lifted smoothly out of the hole, preventing clogging and guaranteeing clean, accurate threads in steels, stainless steels, and cast irons (PMK). Specifically designed for blind hole applications.

Key Features & Benefits

Extended Tool Life – HSS-PM substrate combined with a PVD FeN coating resists wear and prolongs performance.
Superior Chip Evacuation – 45o spiral flute design removes swarf efficiently, ensuring reliable blind-hole tapping.
Production Ready – DIN 2184-1 standard shank and 3-flute design optimize strength and stability.
Consistent Accuracy – Manufactured to UNC 2B tolerance class for dependable, in-spec threads.

Technical SpecificationsWhy Choose This Tool?

This Sandvik spiral flute tap integrates a premium HSS-PM substrate, protective PVD FeN coating, and a 45o spiral design with a C-chamfer for optimized blind-hole tapping. Its durability, accuracy, and efficient chip evacuation make it ideal for both high-volume CNC production and precision manual machining.

Specification	Metric	Imperial
Workpiece Material(s)	PMK
Thread Size	UNC 3/8-16	3/8-16
Thread Form	UNC 60o	UNC 60o
Thread Pitch	1.5875 mm (equiv.)	16 TPI
Thread Diameter	9.525 mm	0.3750 in
Tap Chamfer Length	3.3 mm	0.1299 in
Premachined Hole Diameter	8.0 mm	0.3150 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	3.9370 in
Overall Length (OAL)	101.8 mm	4.0079 in
Neck Diameter	7.3 mm	0.2874 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	0.0518 kg	0.1142 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 or returns of their product.

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

Sandvik 3/8-16 UNC Spiral Flute Tap – Premium Blind-Hole Tapping (DIN 2184-1)

Key Features & Benefits

Extended Tool Life – HSS-PM substrate combined with a PVD FeN coating resists wear and prolongs performance.
Superior Chip Evacuation – 45o spiral flute design removes swarf efficiently, ensuring reliable blind-hole tapping.
Production Ready – DIN 2184-1 standard shank and 3-flute design optimize strength and stability.
Consistent Accuracy – Manufactured to UNC 2B tolerance class for dependable, in-spec threads.

Technical SpecificationsWhy Choose This Tool?

Specification	Metric	Imperial
Workpiece Material(s)	PMK
Thread Size	UNC 3/8-16	3/8-16
Thread Form	UNC 60o	UNC 60o
Thread Pitch	1.5875 mm (equiv.)	16 TPI
Thread Diameter	9.525 mm	0.3750 in
Tap Chamfer Length	3.3 mm	0.1299 in
Premachined Hole Diameter	8.0 mm	0.3150 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	3.9370 in
Overall Length (OAL)	101.8 mm	4.0079 in
Neck Diameter	7.3 mm	0.2874 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	0.0518 kg	0.1142 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 or returns 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" UNC, DIN 2184-1 Short Body

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