CEIR 8XRX20 | YAMAWA MFG. Co., Ltd.

【英】センタ穴ドリル詳細

High Helix Center Drills-JIS Type R

Design for Center drills

Product code：CE8.0RI

Manufacturer's Suggested Retail Price (MSRP*)：JPY18,000

Stock	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

Shank dia. (Ds)	20 mm
Drill dia (Dc)	8 mm
Overall length (L)	80 mm
Drill length (ℓ)	21.2 mm

Rmax	25 mm
Rmin	20 mm
Angle (θ)	R
Materials	HSS
Gross Weight	108 g
Center hole diameter (Dw)	17 mm

Recommended machining conditions by work material

Work Material	Cutting speed n (min-1)	Feed νf (mm/min)
Low carbon steels	560	95
Medium carbon steels	560	95
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)	220	20
Tool steels
Cast steels
Cast irons
Ductile cast irons
Copper
Brass	940	160
Brass castings	940	160
Bronze
Wrought aluminum	750	130
Aluminum alloy castings	750	130
Magnesium alloy die castings
Zinc alloy die castings
Titanium alloys
Nickel base alloys
Thermosetting plastic
Thermoplastic resin