6.5mm-150mm Silver Welded Diamond Core Drill Bits for Stone with M14/5/8"-11 Thread
Price:
Negotiate
MOQ:
50pcs
Delivery Time:
35-40days
Brand:
Johnson Tools
Product Description
Product Overview
Professional silver welded diamond core drill bits designed specifically for stone drilling applications. These high-performance bits deliver exceptional cutting efficiency and durability for granite, marble, limestone, sandstone, and quartz materials.
Key Specifications
- Diameter Range: 6.5mm to 150mm
- Thread Options: M14 or 5/8"-11
- Total Length: 93-103mm
- Segment Height: 8mm
- Segment Types: Normal Type or Crown Type
- Technology: Hot pressed sintered diamond segments
Technical Specifications
| Item No. | Diameter (mm) | Segment Height (mm) | Segment Thickness (mm) | Teeth No. | Total Length (mm) |
|---|---|---|---|---|---|
| BGB(UNC)6.5 | 6.5 | 8 | - | C | 93 |
| BGB(UNC)8 | 8 | 8 | - | C | 93 |
| BGB(UNC)10 | 10 | 8 | 2 | Crown | 93 |
| BGB(UNC)12 | 12 | 8 | 2.5 | Crown | 93 |
| BGB(UNC)14 | 14 | 8 | 2.5 | Crown | 93 |
| BGB(UNC)16 | 16 | 8 | 2.5 | Crown | 93 |
| BGB(UNC)18 | 18 | 8 | 2.5 | Crown | 93 |
| BGB(UNC)20 | 20 | 8 | 2.5 | Crown | 93 |
| BGB(UNC)22 | 22 | 8 | 2.5 | Crown | 93 |
| BGB(UNC)25 | 25 | 8 | 2.5 | Crown | 93 |
| BGB(UNC)28 | 28 | 8 | 2.5 | Crown | 93 |
| BGB(UNC)30 | 30 | 8 | 3 | Crown | 93 |
| BGB(UNC)35 | 35 | 8 | 3 | Crown | 93 |
| BGB(UNC)40 | 40 | 8 | 3 | 4 | 103 |
| BGB(UNC)45 | 45 | 8 | 3 | 5 | 103 |
| BGB(UNC)51 | 51 | 8 | 3 | 6 | 103 |
| BGB(UNC)55 | 55 | 8 | 3 | 6 | 103 |
| BGB(UNC)60 | 60 | 8 | 3 | 7 | 103 |
| BGB(UNC)65 | 65 | 8 | 3 | 7 | 103 |
| BGB(UNC)70 | 70 | 8 | 3 | 8 | 103 |
| BGB(UNC)76 | 76 | 8 | 3 | 8 | 103 |
| BGB(UNC)85 | 85 | 8 | 3 | 9 | 103 |
| BGB(UNC)100 | 100 | 8 | 3 | 10 | 103 |
| BGB(UNC)105 | 105 | 8 | 3 | 10 | 103 |
| BGB(UNC)110 | 110 | 8 | 3 | 11 | 103 |
| BGB(UNC)115 | 115 | 8 | 3 | 11 | 103 |
| BGB(UNC)120 | 120 | 8 | 3 | 12 | 103 |
| BGB(UNC)127 | 127 | 8 | 3 | 12 | 103 |
| BGB(UNC)150 | 150 | 8 | 3 | 14 | 103 |
Frequently Asked Questions
Can your company accept OEM orders?
We accept OEM orders for all products, including custom buyer logos and branding requirements.
What is your quality control process?
Each product undergoes strict quality control checks. We maintain comprehensive production data and follow consistent manufacturing formulas once sample orders are approved by clients. With 15 years of production experience, we deliver products optimized for different market requirements.
What shipping methods are available?
Air Freight for orders above 45kg and below 100kg (fast delivery). Sea Freight for orders above 100kg (cost-effective). Courier services (TNT, DHL, FedEx, UPS) for small trial orders with door-to-door service.
What are your minimum order requirements and delivery times?
Minimum order quantities are negotiable. Standard delivery time ranges from 15 to 45 days depending on order volume.
Custom Manufacturing
We offer custom manufacturing services for specialized requirements. Contact us to discuss your specific needs and receive a personalized quote.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Johnson Tools Manufactory Co.,Ltd
Location
Sales Dept address: No.11009, Building 8, K-Land Manhattan Square, No.5 Weihua Road, SIP, Suzhou, Jiangsu, China 215000
Contact Person
Vida lee