N-RS STI G4 M8X1.25 (B) | YAMAWA MFG. Co., Ltd.

【英】タップ詳細

JISThread Forming Taps for Non-Ferrous Materials

Design for Taps

Product code：RW8.0N4LENB

Manufacturer's Suggested Retail Price (MSRP*)：JPY4,020

Stock	Limited distribution's stock
PDF Catalog	PDF
2D CAD	2Ｄ：DXF｜2Ｄ：PDF
3D CAD	3D：STEP｜3D：PDF

※MSRP is for reference purposes only. Please consult your local distributor for pricing.
Pricing outside Japan may vary due to each country's tax schedule,
tariffs, import/shipping charges, and duties imposed by customs.

Spec

Overall length(L)	75 mm
Thread length(ℓ)	23 mm
Shank length(ℓs)	38 mm
Shank dia.(Ds)	7 mm
Length of square(ℓk)	8 mm
Size of square(K)	5.5 mm
Basic major dia.	9.624 mm

Surface Treatment	NI
Flute type	ROLL(Forming Taps)
Materials	HSS
Chamfer length	2P
Number of flutes	1
Gross Weight	30 g
Bored hole size	9.01 mm
Engagement ratio	90 %
(D1)Max.	8.483 mm
(D1)Min.	8.271 mm

Table of tapping speed recommended for each work material

Low carbon steels
Medium carbon steels
High carbon steels
Alloy steels
Heat treated steel (25〜35HRC)
Heat treated steel (35〜45HRC)
Heat treated steel (45〜55HRC)
Heat treated steel (55〜63HRC)
Stainless steels (SUS)
Tool steels
Cast steels
Cast irons
Ductile cast irons

Copper
Brass
Brass castings
Bronze
Wrought aluminum	5～15 m/min
Aluminum alloy castings	5～15 m/min
Magnesium alloy die castings
Zinc alloy die castings	5～15 m/min
Titanium alloys
Nickel base alloys
Thermosetting plastic
Thermoplastic resin