Wet Diamond Core Drill Bits for Stone - 30mm to 70mm Diameter with 50mm Working Length and 8mm Segment Height
Price:
Negotiate
MOQ:
50pcs
Delivery Time:
25-55days
Brand:
JOHNSON TOOLS
Product Description
Professional Wet Diamond Core Drill Bits for Stone
Silver welded diamond drill bits with 50mm working length, designed for precision stone drilling applications including granite, marble, sandstone, and limestone.
Product Specifications
Outer Diameter Range: 30mm to 70mm
Shaft Options: 3/8" shaft, 1/2" shaft, M14 thread, or 5/8"-11 thread
Working Length: 50mm (2 inches)
Segment Height: 8mm
Application: Wet drilling only
Custom Orders: Available for other styles and sizes
Shaft Options: 3/8" shaft, 1/2" shaft, M14 thread, or 5/8"-11 thread
Working Length: 50mm (2 inches)
Segment Height: 8mm
Application: Wet drilling only
Custom Orders: Available for other styles and sizes
Detailed Size Specifications
| Diameter (mm) | Teeth No. | Segment Height (mm) | Segment Thickness (mm) | Working Length (mm) |
|---|---|---|---|---|
| 30 | Crown | 8 | 3.0 | 50 |
| 32 | Crown | 8 | 3.0 | 50 |
| 35 | Crown | 8 | 3.0 | 50 |
| 38 | 4 | 8 | 3.0 | 50 |
| 40 | 4 | 8 | 3.0 | 50 |
| 42 | 5 | 8 | 3.0 | 50 |
| 45 | 5 | 8 | 3.0 | 50 |
| 51 | 6 | 8 | 3.0 | 50 |
| 55 | 6 | 8 | 3.0 | 50 |
| 60 | 7 | 8 | 3.0 | 50 |
| 65 | 7 | 8 | 3.0 | 50 |
| 70 | 7 | 8 | 3.0 | 50 |
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 quality is confirmed 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 between 45kg and 500kg gross weight - fast delivery
Sea Freight: For orders above 100kg gross weight - cost-effective shipping
Courier Services: TNT, DHL, FedEx, UPS for small trial orders - door-to-door service
Sea Freight: For orders above 100kg gross weight - cost-effective shipping
Courier Services: TNT, DHL, FedEx, UPS for small trial orders - door-to-door service
What are your minimum order requirements and delivery times?
Minimum order quantities are negotiable. Standard delivery timeframe is 15 to 45 days, depending on order quantity.
Similar Products
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