Sitelun Carbide Insert Spade Drill with Internal Coolant Hole 3D 5D 7D Indexable Deep Hole Drilling Tool for Steel Structure Processing

• Customization: Available
• Customized: Non-Customized
• Standard: DIN
• Model NO.: Crown drill rod
• Length: Jobber-length
• Type: Core Drill Bit
• Material: Cobalt Steel Alloys
• Usage: Masonry Drilling
• Selling Units: Single Item
• Place of Origin: China
• Customized Support: OEM,Odmobm
• Feature: High Performance
• MOQ: 1PCS
• Ype: Drill
• Pplication: Metal Drilling
• Drill Type: Spot Drills
• Surface Finish: Other
• Warranty: None
• Package: Plasitc Box
• Transport Package: Box
• Trademark: SITELUN
• Origin: Zhejiang, China
• Production Capacity: 500000
• Package Size: 10.00cm * 10.00cm * 5.00cm
• Package Gross Weight: 3.000kg

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 Crown Drill

SITELUN Industrial-grade Carbide Insert Spade Drill with Internal Coolant Hole. Specialized for high-efficiency deep hole drilling in steel structures and heavy machining. Our "Dual-Spiral Internal Cooling + Indexable Matrix" triples your drilling speed while reducing overall tool consumption by over 60%.

Dual-Spiral High-Pressure Internal Coolant: Dual internal channels deliver coolant directly to the cutting edge, reducing heat by 60% and flushing chips out instantly in deep holes up to 5D/7D.

Ultra-Rigid 42CrMo Body: Made from premium alloy steel with CNC precision grinding. Reinforced dual-screw locking ensures zero runout and non-deflection even under heavy-duty loads.

Indexable Cost-Performance: Replace only the carbide spade blade when worn. The drill body is built to last, cutting your tooling replacement costs in half compared to solid carbide drills.

B2B Global Lead Time: Full range of 3D/5D/7D holders available. Huge inventory for 3-7 days fast delivery. OEM Laser Marking supported (MOQ 10pcs) to establish your premium local brand edge.

Type	Crown Drill
Machining Depth Ratio	3D/5D/8D/10D
Applicable Materials	Mild Steel/Stainless Steel/Cast Iron/Mold Steel
Drilling Accuracy	±0.02mm/±0.03mm

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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