What should I do if the drilling speed reduces?

Check if cooling is sufficient and if the cutter head is blunt. Professional grinding may be required if the head is dull.

What is the lead time for orders?

The average lead time is one month, applicable for both peak season and off-season.

Core Bit for Drilling Stones, Diamond Core Bit

Name: Core Bit for Drilling Stones, Diamond Core Bit
Brand: JIANGSU ALSTON TOOLS CO., LTD.
SKU: 400120054

Jiangsu, ChinaJIANGSU ALSTON TOOLS CO., LTD.

US$0.001

100 Pieces

Product profile

Customization

Available

Customized

Non-Customized

Length

450mm

Model NO.

105-350mm

Type

Core Drill Bit

Material

Diamond

Transport Package

Box

Specification

450mm

Trademark

ALSTON

Origin

China

HS Code

82023990

Production Capacity

500000PCS/Year

Key features

Super-hard Diamond Material: Natural or artificial diamond with Mohs hardness 10 for cutting granite and marble.

High Cutting Efficiency: Drilling speed increased by 3-5 times compared to ordinary carbide bits.

Long Lifespan Options: Laser welded bits offer 10000+ holes; sintered bits offer 2000-5000 holes.

Wide Diameter Range: Available in diameters from 6mm to 120mm (1 inch to 12 inches).

Customized Colors Available: Special specifications and colors can be produced according to client requirements.

Cost Effective Solution: Unit cost per hole reduced from 0.6 yuan to 0.075 yuan compared to carbide bits.

Versatile Applications: Suitable for architectural, home decoration, and art carving on various stone types.

OEM and ODM Services: Full OEM and ODM services available for custom manufacturing needs.

Company profile

JIANGSU ALSTON TOOLS CO., LTD.

Jiangsu, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤3.14h

About Our Factory & Business Background

AddressTiangong Industrial Park A9-2 East, Tong Gang Road, The Development Zone of Danyang City, Jiangsu Province, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Our Production Capability & Technical Expertise

Main ProductsDiamond Saw Blade, Tct Saw Blade, Diamond Blade, Saw Blades, Diamond Cup Wheel.

Our Industry Experience & Global Business Record

Main MarketsSouth America, Europe, Southeast Asia/ Mideast

Product Q&A

Q:What is the maximum drilling depth?

The standard drilling depth can reach 300mm. For deep hole operations, an extension rod or segmented drilling is required.

Q:What is the recommended RPM for drilling granite?

For granite, a speed of 800-1200 RPM is recommended. For marble, speeds can be increased to 1500-2000 RPM.

Q:How do I maintain the diamond core bit?

Rinse with clean water after use to remove stone powder. Soak regularly in pH neutral detergent. Store vertically or flat on shockproof pads and apply anti-rust oil for long-term storage.

Q:Can I get custom colors and specifications?

Yes, other special specifications and colors can be produced according to client requirements.

Q:What is the difference between electroplated and sintered bits?

Electroplated bits are low cost with 500-1000 holes lifespan, suitable for DIY. Sintered bits are medium cost with 2000-5000 holes lifespan, suitable for conventional engineering.