HP-RZ (Unified Threads) | High Performance Roll Taps, Coated | YAMAWA

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SKU

HP-RZ (Unified Threads)

・The product symbol is divided by nominal sizes.

HP＋RZ	〜M6
HP-RZ	M8〜, all U

Product Features

The HP+RZ/HP-RZ roll taps are suitable for processing steel materials with a hardness of 35 HRC or less
and light alloys. These roll taps are recommended for high speed machining 20 to 50 m/min.
Roll form processing of stainless steel and thermal refined materials up to 40 HRC are now possible.
The roll form tapping torque has been reduced by 20% or more, making it possible to significantly
improve tool life compared with conventional roll form tap products.
The HP+RZ/HP-RZ taps make it possible to use a water soluble cutting fluid.

Tapping Data

Processing conditions [M2 × 0.4 G4 B]

Tap Type	HP+RZ, conventional product
Workpiece Material	SS400
Bored Hole Size	φ1.83
Tapping Length	3mm blind hole
Tapping Speed	50m/min
Machinery Type	Vertical MC (synchronous feed)
Tapping Fluid	Water soluble cutting fluid (chlorine-free 10 to 1 dilution)

The HP+RZ/HP-RZ roll taps utilize a design to reduce machine tapping torque in difficult to cut materials.
(Patent No. 3822572).

Roll form processing conditions [M6 × 1 G7 B]

Tap Type	HP+RZ, conventional product
Worlpiece Material	SUS304
Bored Hole Size	φ5.5
Tapping Length	8mm blind hole
Tapping Speed	15m/min
Machinery Type	Vertical MC (synchronous feed)
Tapping Fluid	Insoluble cutting fluid

Using an optimal design on the chamfer portion, the
HP+RZ forms the internal thread from the first chamfer
portion, reducing the processing burden on each thread
while producing a smooth screw thread.

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HP-RZ (Unified Threads) | High Performance Roll Taps, Coated | YAMAWA

Details

Specification

Tapping Speeds depending on Materials

25〜35HRC

HP-RZ　High Performance Roll Taps, Coated

Recommended class

Segment：1J

Size	Class	Code	Chamfer	L (mm)	ℓ (mm)	ℓn (mm)	ℓs (mm)	Ds (mm)	K (mm)	ℓk (mm)	Lobe	TYPE
For Unified Threads
No.2-56UNC	G4	HRZM4UN2EB	2P	42	8.1	-	27	3	2.5	5	4	3
No.2-56UNC	G5	HRZM5UN2EB	2P	42	8.1	-	27	3	2.5	5	4	3
No.2-64UNF	G4	HRZM4UN2DB	2P	42	8.1	-	27	3	2.5	5	4	3
No.3-48UNC	G4	HRZM4UN3FB	2P	46	8.1	14	29	3	2.5	5	4	4
No.3-56UNF	G4	HRZM4UN3EB	2P	46	8.1	14	29	3	2.5	5	4	4
No.4-40UNC	G5	HRZM5UN4HB	2P	46	9	14	25	4	3.2	6	4	4
No.4-40UNC	G6	HRZM6UN4HB	2P	46	9	14	25	4	3.2	6	4	4
No.4-48UNF	G5	HRZM5UN4FB	2P	46	9	14	25	4	3.2	6	4	4
No.5-40UNC	G5	HRZM5UN5HP	4P	52	11	16	28	5	4	7	4	4
No.5-40UNC	G5	HRZM5UN5HB	2P	52	11	16	28	5	4	7	4	4
No.5-44UNF	G5	HRZM5UN5GP	4P	52	11	16	28	5	4	7	4	4
No.5-44UNF	G5	HRZM5UN5GB	2P	52	11	16	28	5	4	7	4	4
No.6-32UNC	G5	HRZM5UN6JP	4P	52	11	17	27	5	4	7	4	4
No.6-32UNC	G5	HRZM5UN6JB	2P	52	11	17	27	5	4	7	4	4
No.6-32UNC	G6	HRZM6UN6JP	4P	52	11	17	27	5	4	7	4	4
No.6-32UNC	G6	HRZM6UN6JB	2P	52	11	17	27	5	4	7	4	4
No.6-40UNF	G5	HRZM5UN6HP	4P	52	11	17	27	5	4	7	4	4
No.6-40UNF	G5	HRZM5UN6HB	2P	52	11	17	27	5	4	7	4	4
No.8-32UNC	G6	HRZM6UN8JP	4P	60	13	22	31	5.5	4.5	7	4	4
No.8-32UNC	G6	HRZM6UN8JB	2P	60	13	22	31	5.5	4.5	7	4	4
No.8-32UNC	G7	HRZM7UN8JP	4P	60	13	22	31	5.5	4.5	7	4	4
No.8-32UNC	G7	HRZM7UN8JB	2P	60	13	22	31	5.5	4.5	7	4	4
No.8-36UNF	G6	HRZM6UN8IP	4P	60	13	22	31	5.5	4.5	7	4	4
No.8-36UNF	G6	HRZM6UN8IB	2P	60	13	22	31	5.5	4.5	7	4	4
No.10-24UNC	G6	HRZM6UNAMP	4P	60	13	22	32	5.5	4.5	7	4	4
No.10-24UNC	G6	HRZM6UNAMB	2P	60	13	22	32	5.5	4.5	7	4	4
No.10-24UNC	G7	HRZM7UNAMP	4P	60	13	22	32	5.5	4.5	7	4	4
No.10-24UNC	G7	HRZM7UNAMB	2P	60	13	22	32	5.5	4.5	7	4	4
No.10-32UNF	G6	HRZM6UNAJP	4P	60	13	22	32	5.5	4.5	7	4	4
No.10-32UNF	G6	HRZM6UNAJB	2P	60	13	22	32	5.5	4.5	7	4	4
No.10-32UNF	G7	HRZM7UNAJP	4P	60	13	22	32	5.5	4.5	7	4	4
No.10-32UNF	G7	HRZM7UNAJB	2P	60	13	22	32	5.5	4.5	7	4	4
No.12-24UNC	G6	HRZM6UNCMP	4P	62	15	26	32	6	4.5	7	4	4
No.12-24UNC	G6	HRZM6UNCMB	2P	62	15	26	32	6	4.5	7	4	4
No.12-28UNF	G6	HRZM6UNCKP	4P	62	15	26	32	6	4.5	7	4	4
No.12-28UNF	G6	HRZM6UNCKB	2P	62	15	26	32	6	4.5	7	4	4
1/4-20UNC	G7	HRZM7U04NP	4P	62	15	26	33	6	4.5	7	4	4
1/4-20UNC	G7	HRZM7U04NB	2P	62	15	26	33	6	4.5	7	4	4
1/4-28UNF	G7	HRZM7U04KP	4P	62	15	26	33	6	4.5	7	4	4
1/4-28UNF	G7	HRZM7U04KB	2P	62	15	26	33	6	4.5	7	4	4

Number of oil grooves : Metric thread : M2.6 and smaller=non, M3〜M6=2, M8=3, M10 and larger=4
Unified thread : No.4 and smaller=non, No.5 and larger=2
For M6 and smaller, external centers of 2 thread chamfer taps are removed.

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