CESC 8X60ﾟX22.4 | YAMAWA MFG. Co., Ltd.

【英】センタ穴ドリル詳細

High Helix Center Drills-JIS Type C 60°

Design for Center drills

Product code：CEC8.0

Manufacturer's Suggested Retail Price (MSRP*)：JPY34,400

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)	22.4 mm
Drill dia (Dc)	8 mm
D1	22.4 mm
D2	17 mm
Overall length (L)	90 mm
Drill length (ℓ)	11.5 mm
ℓ2	5.5 mm

Angle (θ)	60°
Materials	HSS
Gross Weight	153 g
Center hole diameter (Dw)	22.4 mm

Recommended machining conditions by work material

Work Material	Cutting speed n (min-1)	Feed νf (mm/min)
Low carbon steels	430	75
Medium carbon steels	430	75
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)	170	15
Tool steels
Cast steels
Cast irons
Ductile cast irons
Copper
Brass	710	120
Brass castings	710	120
Bronze
Wrought aluminum	570	95
Aluminum alloy castings	570	95
Magnesium alloy die castings
Zinc alloy die castings
Titanium alloys
Nickel base alloys
Thermosetting plastic
Thermoplastic resin