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H1

CEIR 8XRX20

【英】センタ穴ドリル詳細

High Helix Center Drills-JIS Type R

Design for Center drills
CE8.0RI

Product code:CE8.0RI

Manufacturer's Suggested Retail Price (MSRP*):JPY15,600

Stock Distribution's stock
PDF Catalog PDF
2D CAD 2D:DXF2D:PDF
3D CAD 3D:STEP3D: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