Crown Segment Diamond Core Drill Bits Silver Welded 3/8“ Shaft M14 Or 5/8"-11 Thread

Basic Information
Place of Origin: CHINA
Certification: SGS, GB
Model Number: BGB25.4
Minimum Order Quantity: 50pcs
Price: Negotiate
Packaging Details: Plastic box, Paper box
Payment Terms: L/C, T/T, Western Union
Supply Ability: 1000PCS per month
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Crown Segment Diamond Tip Drill Bit , Silver Welded , 3/8“ Shaft , M14 Or 5/8"-11 Thread



Excellent diamond segment which especially use on stone drilling, such as marble, granite, sandstone, limestone, etc. Made for countertop, kitchen or any other stone fabrication applications.


1. Usage: With water application
2. Processing Technology: silver welded
3. Applications: Stone drilling
4. Segment type: Crown segment
5. Delivery time: Around 20-30days


Details spec.:

Item No. Diameter Segment Dimension Teeth No.
mm Height Thickness
BGB25.4 25.4 8 2.5 Crown


Packing and shipping
Each Core drill bits are packed in plastic box, then according to the size, normal put in an export standard carton, gross weight per carton is limited within 15-20kg.
Shipping date: If we have steel body in our stock, normally shipment will be around 15 days. If not, usually around 20-30days.
Delivery way: By sea, by air, by courier, by land, by courier, etc



Crown Segment Diamond Core Drill Bits Silver Welded 3/8“ Shaft M14 Or 5/8"-11 Thread 



1) Can you company accept OEM?
We accept OEM orders for all products, as well as buyers' logos.

2) Quality Control?
Each product is strictly checked by of QC dept. We have completed file data in our computer which listed the whole processing of each order. Once the quality of sample order confirmed by clients, we will keep the same formula in the following orders. 15years producing experience, we will bring the most suitable products based on different markets.

3) Shipping Methods?
Air Freight when gross weight is above 45kg and less than 100kg. Fast delivery
Sea Freight when the gross weight is above 100kg. Cheaper freight charge.
Courier (TNT, DHL, FedEx, Ups, etc). Small try order, door to door service.
4) Minimum Order and Delivery?
Minimum order: negotiable.
Delivery: 15 to 45 days. Based on the quantity per order.


Contact Details

WhatsApp : 8618936085316