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H1

CE-Q 2.5X90゚X7.7

【英】センタ穴ドリル詳細

High Helix Center Drills-Type A 90°

Design for Center drills
CY2.5Z

Product code:CY2.5Z

Manufacturer's Suggested Retail Price (MSRP*):JPY2,180

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) 7.7 mm
Drill dia (Dc) 2.5 mm
Overall length (L) 50 mm
Drill length (ℓ) 2.5 mm
Angle (θ) 90°
Materials HSS
Gross Weight 16 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