Solid Carbide Small Diameter Boring Head Mnr 2.1mm Minimum Bore for Micro Boring & Precision Drilling

• Customization: Available
• Coating: Coating
• Handle Type: Solid Carbide Round Shank
• Model NO.: MNR
• Structure: Solid Carbide Small Boring Bar
• Blade Number: Single-Blade
• Material: Tungsten Steel
• Type: Blind Hole Boring Cutter
• Model: Mnr
• Shank Diameter: 2mm-10mm
• Overall Length: 50-75mm
• Cutting Edge Material: Solid Carbide / Carbide
• Coating Type: Tialn
• Runout Accuracy: ≤0.01mm
• Hardness: 45HRC
• Applicable Materials: Steel / Stainless Steel / Cast Iron / Aluminum / T
• Machining Type: Roughing / Semi-Finishing / Finishing
• Workpiece Type: Small Holes / Precision Cavities / Micro Parts
• Transport Package: Box
• Specification: Solid Carbide
• Trademark: SITELUN
• Origin: China
• HS Code: 8208900000
• Package Size: 10.00cm * 10.00cm * 5.00cm
• Package Gross Weight: 1.000kg

Product Description

Why Choose Us

20+ Years CNC Tool Source Factory, Global Quality Trusted Worldwide

Taizhou Qida CNC Cutting Tools is a 20+ year source factory in the CNC tool industry, specializing in CNC turning, milling, hole-making tools and machine tool accessories. Suitable for machining steel, stainless steel and other materials, our products are applied in automotive, mold, aerospace and other precision machining fields. Certified by ISO9001 and IATF16949, we use imported German and Japanese equipment to ensure quality. We offer tool selection, parameter optimization, customized solutions, 48-hour delivery for regular products, fast sampling for customized ones and 7×24 technical support. Our products are exported to over 30 countries and regions, being an excellent partner for global customers.

Product Description

Product Details of Small Hole Boring Tool

1.Ultra-Fine Adjustment

Adjustment accuracy up to 0.01mm per graduation, with anti-backlash mechanism for stable diameter control.Ideal for precision boring of holes from Ø2mm to Ø20mm.

2.High Rigidity & Anti-Vibration Design

Manufactured from micro-grain carbide or high-strength steel to maximize rigidity.Optimized geometry allows stable machining at 4D-6D overhang depth with excellent surface finish.

3.Compact & Interference-Free

Slim neck design minimizes interference with workpiece and fixtures.
Suitable for blind holes, stepped holes, and limited-space applications.

4.Versatile Material Compatibility

Advanced AlTiN / TiSiN coating for high hardness and heat resistance.

Capable of machining stainless steel (304/316), titanium alloy, Inconel, and hardened steel up to HRC 65.

5.Versatile Material Compatibility

Advanced AlTiN / TiSiN coating for high hardness and heat resistance.
Capable of machining stainless steel (304/316), titanium alloy, Inconel, and hardened steel up to HRC 65.

6.Factory Direct & Customization

OEM/ODM service available. Custom shank diameters, overall length, and coating options supported.Short lead time: 3–7 days for standard items.

Tool Type	Small Hole Boring Tool
Model	MIR
Material	Tungsten Carbide
Application	Steel / Stainless Steel / Cast Iron / Aluminum / Titanium
Workpiece Type	Small Holes / Precision Cavities / Micro Parts

More Production

Company Profile

Taizhou Qida CNC Co.,Ltd

Taizhou Qida CNC Cutting Tools Co., Ltd. has specialized in the CNC cutting tool industry for over 20 years, emerging as a high-tech enterprise integrating R&D, production, sales, and technical services. We focus on a full range of CNC turning, milling, hole-making tools, and machine tool accessories. Leveraging imported German production equipment, advanced coating technology, and over 20 independent patents, we deliver cost-effective products with exceptional precision and durability. We maintain ISO9001 and IATF16949 quality management systems, conducting full-process inspections from raw materials to finished products to ensure tool life is 30% longer than industry standards. With 24-hour rapid response and 48-hour spot delivery, our products are exported to more than 30 countries and regions across Europe, America, and Southeast Asia, making us a trusted partner for precision machining clients worldwide.

Certifications

QIDA CNC ISO9001 & CE Certified, International Standard, Premium Quality

1. ISO 9001 :The most widely recognized quality management system certification worldwide, demonstrating the company's ability to consistently produce qualified products and serving as a basic threshold for entering the international market.

2.CE certificate:A mandatory safety certification for the EU market, proving products meet EU health, safety, and environmental standards, and is a passport for entering the EU market.

Our Factory&Exhibitions

Many years of manufacturing experience

Our factory has imported precision production and testing equipment from Germany and Japan, and built a number of standardized CNC cutting tool production lines, with a monthly output of over 1 million pieces of various CNC inserts, milling cutters, turning tools and machine tool accessories. The stable production capacity can meet the needs of mass procurement. We have set up a professional R&D and quality inspection team with more than 20 independent R&D patents, and strictly follow the ISO9001 and IATF16949 international quality systems. We implement full-process and multi-dimensional quality inspection from raw material selection, production and processing to finished product delivery, with a product qualification rate of over 99.9%.

With more than 20 years of experience in the CNC cutting tool industry, QIDA CNC Cutting Tools has been a regular participant in major industrial exhibitions worldwide, with a presence in professional machine tool and cutting tool shows across Europe, America, Southeast Asia, the Middle East and other regions. Relying on stable product quality and customized solutions, we have won recognition and trust from global merchants at international exhibitions!

Packing & Delivery

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