Handerk 4flute Corner Rounding End Mill HRC55 for Steel

• Customization: Available
• Tooth Form: Inner R
• Tooth Space: Standard
• Model NO.: NRD550-GY
• Material: Solid Carbide
• Type: Corner Rounding End Mills
• Model No.: Corner Rounding End Mills HRC55
• HRC: 55degree
• Flutes: 4flute
• Helix Angle: 35deg
• Cutting Dia: 4-16mm
• Over Length: 50-75mm
• Optional Coatings: Altin/Tisin/Dlc/Alcrsin/Nano Coatings
• Processing Type: Metal
• Suitable for: Carbon Steel,Alloy Steel,Cast Iron,etc.
• Precision: High Precision
• Controlling Mode: CNC Machine
• MOQ: 5PCS
• Transportation: Sea/Express/Air
• Shipping Way: UPS/FedEx/DHL/TNT/EMS
• Delivery Time: 3-10days
• Transport Package: Plastic Box
• Specification: Metric Size
• Trademark: HANDERK
• Origin: Jiangsu Changzhou
• HS Code: 8207709000
• Production Capacity: 30000PCS/Month
• Package Size: 15.00cm * 10.00cm * 5.00cm
• Package Gross Weight: 0.200kg

Product Description

1.High quality carbide rod
All cutting materials are from international famous brands, high hardness, long tool life.

Grade	HRC45	HRC55	HRC65	HRC68
Materials	DU20	MH12S	ZK40SF	GU25UF
Details	Grain size: 0.8um Co: 8% Flexural strength: 3800N/mm2	Grain size: 0.6um Co:10% Flexural strength: 4100N/mm2	Grain size: 0.5um Co: 12% Flexural strength 4300N/mm2	Grain size: 0.4um Co:12% Flexural strength: 4300N/mm2

2.Super coating
Good coating can improve tools life and production efficiency, and we provide professional suggestions
according to your cutting requirements.

Item	Color	Hardness(HV)	Thickness(UM)	Oxidation Temp.(°C)	Friction Coeffient
AlTiN	Black	3300	2.5-3	900	0.3
TiAlN	Viloet	2800	2.5-3	900	0.3
TiSiN	Bronze	3600	3	1000	0.45
AlTiSiN	Blue	4000	4	1200	0.4
TiN	Gold	2500	2.5-3	600	0.4

Corner Rounding End Mill HRC55
Corner Rounding milling cutter, also known as concave arc end mill or reverse R ball cutter, is a special milling cutter mostly used for milling convex R-shaped surfaces. The inner R cutter has the characteristics of high smoothness and no burrs. It is a commonly used CNC milling cutter for making molds and prototype models.

Features of corner rounding milling cutter:
(1) Internal R chamfering milling cutter is used for internal R chamfering forming processing;
(2) The internal R chamfering milling cutter is made of materials with high hardness and wear resistance;
(3) The internal R chamfering milling cutter has high precision and can be chamfered in one go;
(4) The internal R chamfering milling cutter has high processing efficiency, does not stick to chips, and is easy to use;
(5) The internal R chamfering milling cutter has a unique design, continuous cutting, good chip removal, no burrs, and good smoothness.

Product Parameters

Diameter	Raidus	Shank	Overall Length
mm	mm	mm	mm
4	0.5	4	50
4	0.75	4	50
4	1	4	50
6	1.5	6	50
6	2	6	50
6	2.5	6	50
8	3	8	60
10	4	10	60
12	5	12	60
14	6	14	75
16	7	16	75

For more size requirements, please contact us.

Our Advantages

Customization Options At Your Fingertips

We offer endless possibilities to help you accomplish your goals.
With the support of our industry experts,
your brilliant ideas will never be compromised.

Company Profile

CORPORATE INFORMATION

Founded in 2000, HANDERK is a Solid Carbide Cutting Tools manufacturer of End Mills, Drills and lnserts.

Up to now, HANDERK has a year asset of 30 million USD, three branch factories with a total area of 6,000m² over 120 employees. 160 sets of domestic and imported equipment, including SAGE, WALTER, and ANCA, manufacture different products respectively to enssure everyday 180,000pcs different stock.

Adhering to the belief that "Products and services are the vitality of the enterprise", HANDERK is keeping to understand the needs of customers and the market, strengthens the technical construction of the team, improves the strength of manufacturing technology, production and manufacturing process, and actively develops new products to enhance our professionalism and innovation capabilities. ln addition to providing high-quality products and technical solutions, we hope to provide more business assistance to our partners to achieve common development and win-win cooperation.

Exhibition

OUR EXHIBITION
Changzhou Handerk Precision Tools Co., Ltd.

Processing Steps

FAQ

Q1: ls Changzhou Handerk Precision tools co.,ltd company or factory?
A1: We are the factory established in 2000, now we own 3 factories specialized in Carbide Raw Material, End Mills and Drills, we also support CNC Tools one-stop purchase.

Q2: Do you support customization?
A2: Yes. We support OEM & ODM service including specs. customization according to customers' drawing(or we can help design what you want), laser LOGO on products, LOGO sticker, customized package, etc..

Q3: Free sample available?
A3: We offer free sample and promoting discount occasionally, some products can be free with your bulk order :)

Q4: How long is your delivery time?
A4: We have most products with different specs. In stock can be shipped out within 3 days. For customized products, generally 7-10 days. But exact time will depends on order qty.

Q5: What's your delivery way?
A5: For express delivery, we generally cooperate with DHL, TNT, FEDEX, EMS. Air shipping, sea shipping or DDP shipping ways are available for your request.