CE-S(I) 2.5X60ﾟX8 | YAMAWA MFG. Co., Ltd.

【英】センタ穴ドリル詳細

High Helix Center Drills-Type A 60° , (Old JIS Type 1)

Design for Center drills

Product code：CE12.5

Manufacturer's Suggested Retail Price (MSRP*)：JPY2,240

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)	8 mm
Drill dia (Dc)	2.5 mm
Overall length (L)	50 mm
Drill length (ℓ)	3.5 mm

Angle (θ)	60°
Materials	HSS
Gross Weight	15 g
Center hole diameter (Dw)	6.5 mm

Recommended machining conditions by work material

Work Material	Cutting speed n (min-1)	Feed νf (mm/min)
Low carbon steels	1500	90
Medium carbon steels	1500	90
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)	590	30
Tool steels
Cast steels
Cast irons
Ductile cast irons
Copper
Brass	2400	145
Brass castings	2400	145
Bronze
Wrought aluminum	2000	120
Aluminum alloy castings	2000	120
Magnesium alloy die castings
Zinc alloy die castings
Titanium alloys
Nickel base alloys
Thermosetting plastic
Thermoplastic resin