30mm High Quality Diamond Core Drill Bits Hole Cutter Laser Welded High Frequency Continuous Rim with Side Protection for Drilling Granite Marble

• Customization: Available
• Type: Core Drill
• Usage: Masonry Drilling
• Model NO.: HWCGCD30
• Technology: High Frequency Welded/Laser Welded
• Customized Support: OEM, ODM
• Working Part: Hot Pressed Sintered Diamond Rim
• Cutting Type: Dry
• Use: Masonry Drilling, Granite, Marble, Hard Tiles, etc
• Adaptor: M14;5/8"-11;1/2gas
• Surface Treatment: Color Painted
• Equipments: Angle Grinders
• Segment Shape: Continuous Rim/Segmented/Single
• Advantage: Dry Using, Longer Working Life, High Quality
• Material: Diamond + Metal
• Color: Gold, Black, Yellow, Blue or as Your Requirements
• Packing: Plastic, Paper, Caron or as Your Request
• Transport Package: Paper Hanger, Box, Skin, Blister, Tube
• Specification: 30mm
• Trademark: DZHI, OEM or ODM
• Origin: China, Zhejiang Province, Hangzhou
• HS Code: 8207501000
• Production Capacity: 5000pieces/Year
• Package Size: 5.00cm * 5.00cm * 15.00cm
• Package Gross Weight: 1.000kg
• Lead Time: 21 days (1 - 10 Pieces) ; To be negotiated ( > 10 Pieces)

Product Description

Techinical Datasheet

Dia.(mm)	Segment Thickness	Segment Height	Total Length	Adaptor
25	1.5-3.0mm	10mm	60--100mm	M14;5/8"-11;1/2Gas
30	1.5-3.0mm	10mm	60--100mm	M14;5/8"-11;1/2Gas
32	1.5-3.0mm	10mm	60--100mm	M14;5/8"-11;1/2Gas
35	1.5-3.0mm	10mm	60--100mm	M14;5/8"-11;1/2Gas
38	1.5-3.0mm	10mm	60--100mm	M14;5/8"-11;1/2Gas
40	1.5-3.0mm	10mm	60--100mm	M14;5/8"-11;1/2Gas
50	1.5-3.0mm	10mm	60--100mm	M14;5/8"-11;1/2Gas

Production Description
 

Description of Continuous Rim Dry core bit with side protection for Granite (HWCGCD)
1.Dry core bits with 4" drilling length and 2 strips of diamond coating outside for drilling all kinds of granite, marble.
2. High frenquency/ Laser Welded available;
3. High quality drill bits improve the working efficiency.
4. Continuous Rim Core Bits have better balancing than the segmented type. 
5. Suitable Machine: Angle Grinder.

Our strength

*Materials: Double sharp double bearing, Strictly selected artificial diamonds.
*Fast Drilling: lt takes only 10 seconds to drill throughmedium hard granite tiles of 2cm thickness.
*Stable: Turned barrel&Crown rim ensure perfect dynamicbalance. No dithering while drilling.
*Durable: Best Diamond powder quality, 50% longerlifespan compared to average pruduct in the market.

Welding Methods
This product can be manufactured using laser welding or high-frequency welding with continuous rim.

                                    Laser Welded Core Bits                                                                                High-frequency Core bits

Side Protection
This product can be manufactured with side protection or without side protections.
With side protection: Better with Dry Cutting
Without side protection: Better With Wet Cutting

 

Main Products

                                                                                                           
 

Packaging and Shipping

Company Profile

Introduction

Dzhi Tools Co., Ltd, established in 2000, concentrates on diamond tools manufacturing industry. We have wide range of products, including hot-pressed saw blade, laser welded saw blade, diamond segments, cup wheel, core drill, and vacuum brazed diamond tools etc., We have a production capacity of 5 million pieces of hot sintered diamond tools, 200 thousand pieces of vacuum brazed diamond tools.

German Dr. Fritsch full-automatic laser welding machinery, and advanced pressing and sintering machinery, have been adopted in manufacturing lines. All our products are delivered after strict inspections, and authenticated by SGS(Socié Té Gé Né Rale De Surveillance SA). Our products have been exported to Europe, the middle East, Asia and many other countries We have earned good reputation from our clients

We seek to establish long term business relationship with every client for mutual benefits. If you have any requirements, please feel free to contact us. We response all your requests efficiently to save your time and provide you utmost convenience.

Workshop

Exhibitions

Certificates 

 

Why Choose Us

1.Senior technicians:	20+years'experience in manufacturing of diamond tools
2.Advanced machine:	Automatic production lines, large output, high standard
3.100% test before shipping:	All products must be strictly tested from raw materials to finished products before leaving warehouse
4.High-quality products:	Use top-grade raw materials on products to make them max durable, sharpness and longer life
5.Strong R&D:	Establish R&D team with 20+ engineers and R&D center to produce more advanced new products
6.Excellent service:	OEM and ODM are available. Professionalteam response all your requests efficiently

FAQ

1. Are you a factory or a trading company?

We are a professional manufacturer of diamond tools with over 20 years' experience

2. Do you accept OEM brand?

Yes, OEM and ODM are all available. Products with different models or sizes can be manufactured as per your request. Besides, we can provide label printing service.

3. Are samples available ?

Yes, you can ask some samples for testing after confirming our prices, but please pay the sample and freight fee,

4. Are samples available for quality test?

Yes, all samples must be strictly tested before leaving our warehouse.

5. How could you deal with quality problems?

Few quality problems occurred in the past 10+ years' foreign trade. If it occurs, all quality failure can be fully compensated.

6. What's your deliver way?

Express delivery, air shipping, sea shipping are available for your request.

7.What's your delivery time?

Usual delivery time is 15-20 days after receiving the advance payment; For the customized product, 30-45 days after receiving the advance payment.