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

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SKU

HP-RZ (Metric 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 (Metric 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 Metric Threads
M8×1.25	G7	HRZM78.0NP	4P	70	19	-	36	6.2	5	8	6	5
M8×1.25	G7	HRZM78.0NB	2P	70	19	-	36	6.2	5	8	6	5
M8×1.25	G8	HRZM88.0NP	4P	70	19	-	36	6.2	5	8	6	5
M8×1.25	G8	HRZM88.0NB	2P	70	19	-	36	6.2	5	8	6	5
M10×1.5	G7	HRZM7010OP	4P	75	23	-	38	7	5.5	8	8	5
M10×1.5	G7	HRZM7010OB	2P	75	23	-	38	7	5.5	8	8	5
M10×1.5	G8	HRZM8010OP	4P	75	23	-	38	7	5.5	8	8	5
M10×1.5	G8	HRZM8010OB	2P	75	23	-	38	7	5.5	8	8	5
M10×1.25	G7	HRZM7010NP	4P	75	23	-	38	7	5.5	8	8	5
M10×1.25	G7	HRZM7010NB	2P	75	23	-	38	7	5.5	8	8	5
M10×1.25	G8	HRZM8010NP	4P	75	23	-	38	7	5.5	8	8	5
M10×1.25	G8	HRZM8010NB	2P	75	23	-	38	7	5.5	8	8	5
M12×1.75	G8	HRZM8012PP	4P	82	26	-	42	8.5	6.5	9	8	5
M12×1.75	G8	HRZM8012PB	2P	82	26	-	42	8.5	6.5	9	8	5
M12×1.75	G9	HRZM9012PP	4P	82	26	-	42	8.5	6.5	9	8	5
M12×1.75	G9	HRZM9012PB	2P	82	26	-	42	8.5	6.5	9	8	5
M12×1.5	G8	HRZM8012OP	4P	82	26	-	42	8.5	6.5	9	8	5
M12×1.5	G8	HRZM8012OB	2P	82	26	-	42	8.5	6.5	9	8	5
M12×1.5	G9	HRZM9012OP	4P	82	26	-	42	8.5	6.5	9	8	5
M12×1.5	G9	HRZM9012OB	2P	82	26	-	42	8.5	6.5	9	8	5
M12×1.25	G8	HRZM8012NP	4P	82	26	-	42	8.5	6.5	9	8	5
M12×1.25	G8	HRZM8012NB	2P	82	26	-	42	8.5	6.5	9	8	5
M12×1.25	G9	HRZM9012NP	4P	82	26	-	42	8.5	6.5	9	8	5
M12×1.25	G9	HRZM9012NB	2P	82	26	-	42	8.5	6.5	9	8	5
M14×1.5	G9	HRZM9014OP	4P	88	26	-	45	10.5	8	11	8	5
M14×1.5	G9	HRZM9014OB	2P	88	26	-	45	10.5	8	11	8	5
M16×1.5	G9	HRZM9016OP	4P	95	26	-	48	12.5	10	13	8	5
M16×1.5	G9	HRZM9016OB	2P	95	26	-	48	12.5	10	13	8	5
M18×1.5	G9	HRZM9018OP	4P	100	33	-	51	14	11	14	8	5
M18×1.5	G9	HRZM9018OB	2P	100	33	-	51	14	11	14	8	5
M20×1.5	G9	HRZM9020OP	4P	105	33	-	50	15	12	15	8	6
M20×1.5	G9	HRZM9020OB	2P	105	33	-	50	15	12	15	8	6

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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