HRC65 Mold Steel End Mill【2 Flutes Φ 0.2-6】

Upgrade Your Milling Experience with SAMHO Square End Mill 65 Degree【2 Flutes Φ 0.2-6】 !

SAMHO, a trusted wholesaler, is here to revolutionize your milling experience. You are introducing our HRC65 Mold Steel End Mill【2 Flutes Φ 0.2-6】, the ultimate milling tool for precision and efficiency. Made with top-quality materials and engineered to perfection, this Chinese-made product is set to elevate your projects to new heights. Take advantage of this exclusive offer and enhance your milling capabilities with SAMHO’s SHGS2-000【2 Flutes Φ 0.2-6】. Don’t miss out on this opportunity to upgrade your game – contact us today to order!

Home » Square End Mill » HRC65 Flat End Mill【2 Flutes Φ 0.2-6】

Exceptional Compatibility with Hard Materials – Specifically Designed for 65HRC Steel
Manufactured with advanced carbide substrates and coating technology, this end mill delivers outstanding wear resistance and chipping toughness when machining hardened steels up to 65HRC, significantly extending tool life. Ideal for mold making and precision component machining.
Optimized 2-Flute Design for Enhanced Cutting Stability and Precision
The 2-flute geometry reduces cutting resistance and vibration, ensuring a smoother, more stable machining process. This results in superior surface finish quality and makes the tool especially effective for roughing and semi-finishing high-hardness materials.
High Red Hardness Coating for Superior Thermal Stability and High-Speed Cutting
Equipped with a high red hardness coating, the tool maintains excellent thermal resistance and cutting performance even under high-speed dry machining or minimal lubrication conditions—meeting the demands of modern high-efficiency manufacturing.
Comprehensive Machining Parameters Provided for Optimal Performance
Detailed cutting data—including speeds, feeds, and depths of cut—are supplied for 65HRC steel, enabling users to maximize tool efficiency, reduce trial-and-error costs, and boost overall productivity.
Wide Application Range Across Mold Making and Precision Part Industries
Perfect for both roughing and finishing of heat-treated mold steels, the tool also excels in aerospace, automotive, and medical device sectors, balancing durability with high machining accuracy.

Highly Recommend for Machining

Specialty

Total 15 Models-Unit(Mm)

Model Number	Outside Diameter	Length Of Cut	Effective Length	Shank Taper Angle	Overall Length	Number Of Flutes	Shank Diameter	In Stock
SHGS2-0020040	0.2	0.4	✓	12°	50	2	4	○
SHGS2-0030060	0.3	0.6	✓	12°	50	2	4	○
SHGS2-0040080	0.4	0.8	✓	12°	50	2	4	○
SHGS2-0050100	0.5	1.0	✓	12°	50	2	4	○
SHGS2-0060120	0.6	1.2	✓	12°	50	2	4	○
SHGS2-0070140	0.7	1.4	✓	12°	50	2	4	○
SHGS2-0080160	0.8	1.6	✓	12°	50	2	4	○
SHGS2-0100300	1.0	3.0	✓	12°	50	2	4	○
SHGS2-0150400	1.5	4.0	✓	12°	50	2	4	○
SHGS2-0200500	2.0	5.0	✓	12°	50	2	4	○
SHGS2-0250600	2.5	6.0	✓	12°	50	2	4	○
SHGS2-0300800-4	3.0	8.0	✓	12°	50	2	4	○
SHGS2-0401000-4	4.0	10.0	✓	–	50	2	4	○
SHGS2-0401000-6	4.0	10.0	✓	12°	60	2	6	○
SHGS2-0601500	6.0	15.0	✓	–	60	2	6	○

SHGS2 Milling Parameters

Diameter (mm)	HRC30–45 Prehardened SteelsSpeed (min⁻¹)	Feed (mm/min)	HRC45–55 Hardened SteelsSpeed (min⁻¹)	Feed (mm/min)	HRC55–65 Hardened SteelsSpeed (min⁻¹)	Feed (mm/min)
D1.0	10000	100	8000	60	7000	40
D1.5	8000	120	6000	60	5000	50
D2.0	7000	120	5000	60	4000	55
D2.5	6000	120	4500	60	3500	55
D3.0	5000	150	4000	80	3000	60
D4.0	4000	150	4000	100	2200	100
D4.0	4000	150	4000	100	2200	120
D6.0	3500	250	3000	200	2000	150

Milling Amount for Side Milling(mm)

Work Material	2.5D (Length of Cut = Diameter * 2.5)	4D (Length of Cut = Diameter * 4)
Below 45HRC	ae = 0.07D ap = 2D	ae = 0.07D ap = 2D
Above 45HRC	ae = 0.03D ap = 1.5D	ae = 0.03D ap = 1.5D

D：Diameter (mm)
ap：Axial Depth (mm)
ae：Radial Depth (mm)

Contour Milling Parameters

Work Material	HRC30-45 Prehardened Steels	HRC30-45 Prehardened Steels	HRC45-55 Hardened Steels	HRC45-55 Hardened Steels	HRC55-65 Hardened Steels	HRC55-65 Hardened Steels
(mm) Diameter	(min-1) Speed	(mm/min) Feed	(min-1) Speed	(mm/min) Feed	(min-1) Speed	(mm/min) Feed
D0.2	30000	120	30000	120	20000	50
D0.3	30000	150	30000	150	16000	50
D0.4	30000	200	30000	200	16000	60
D0.5	26000	200	26000	200	14000	80
D0.6	24000	300	24000	300	14000	80
D0.7	20000	500	20000	500	12000	100
D0.8	16000	800	16000	800	10000	150
D1.0	13000	1000	13000	1000	8000	300
D1.5	13000	1200	13000	1200	8000	300
D2.0	12000	1500	12000	1500	8000	500
D2.5	12000	1500	12000	1500	8000	800
D3	11000	1800	11000	1800	8000	1000
D4	10000	2200	10000	2200	7500	1200
D4	10000	2200	10000	2200	7500	1200
D6	9000	2500	9000	2500	7000	1400

Note:

*Decrease both spindle speed and feed rate proportionally when the milling parameters exceed the machine’s maximum

spindle speed;

*Recommend oil coolant for Stainless Steels and Heat Resistance Alloys;

*Recommend using a non-contact measuring device to avoid damaging the precision tip point;

*Decrease both spindle speed and feed rate proportionally in case of chattering.

Why Global Buyers Choose SAMHO's 2-Flute Flat End Mills

Fundamental Advantages of the 2 Flute Geometry for Efficient Cutting

The key advantage of a 2-flute flat end mill is its larger chip evacuation space. This directly improves machining stability and tool life.

In real machining applications, the benefits are clear:

Chips evacuate more smoothly during slotting, deep cavity milling, and pocketing
Reduced chip re-cutting improves surface finish and dimensional stability
Lower heat accumulation reduces the risk of built-up edge (BUE) and tool chipping
Well suited for high-efficiency milling (HEM) strategies with high feed rates and low radial engagement

This geometry is especially effective in mold steel, pre-hardened steel and hardened steel applications where chip load is high.

SAMHO Design Optimization for High-Hardness Materials

For materials ranging from HRC48 to HRC62, machining stability depends on tool structure, not only carbide grade.

Based on production experience in mold and die machining, SAMHO optimizes tool geometry as follows:

Reinforced core design improves bending strength and rigidity
Optimized helix angle reduces cutting impact and vibration
Micro-chamfered cutting edges improve edge strength and prevent premature chipping
Balanced tool design supports high-speed spindle operation and reduces chatter

These optimizations help maintain stable performance in deep cavity and interrupted cutting conditions.

Manufacturing Consistency for Stable Mass Production

In production environments, consistency is often more important than peak cutting performance.

SAMHO focuses on repeatability across every batch:

Strict diameter tolerance control, typically within 0 to +0.003 mm
High-precision grinding ensures consistent cutting geometry
Balanced tool construction supports stable high-speed machining
Consistent edge quality reduces unexpected tool failure

This consistency helps reduce machine downtime and improves overall production efficiency.

Reliable OEM End Mills Support and Bulk Supply Capability

For global distributors and OEM partners, supply stability is a key factor in tooling selection.

SAMHO 2 flute flat end mills provide strong support for industrial procurement:

OEM and custom specifications available for different machining requirements
Stable batch-to-batch quality suitable for export-grade production standards
Suitable for long-term use in mold manufacturing and precision machining industries
Predictable tool life helps customers manage machining costs more effectively