10 - 100 mm Diamond Core Drill Bits for Porcelain , Vacuum Brazed Diamond Core Bits

Basic Information
Place of Origin: CHINA
Certification: GB, SGS
Model Number: VBB
Minimum Order Quantity: 50pcs
Price: Usd6-60/pcs
Packaging Details: White box
Delivery Time: Around 35-40 days
Supply Ability: 1000000pcs per year
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10-100mm Diamond Core Drill Bits for Porcelain, Vacuum Brazed Diamond Core Bits


The latest technology make the core bits with Excellent cutting Speed with a long cutting life compared to electroplated core bits. Ideal for porcelain and glass drilling.



Could be used wet or dry.

Diamonds are vacuum brazed on the steel blank, let them become the part of the body, increasing drill bit strength, faster and longer life.

It's the new generation products instead of sintered and electroplated core bits.

Product introduction: 

1. Outer diameter: 10mm-100mm

2. Segment height: 5mm/10mm

3. Connector Type: M14 / 5/8"-11
4. Working length: 45mm


Details spec.:

Item No. Diameter Segment Dimension Connector Type Working Length
mm Height
VBB 10-100 5 straight shaft , M14, 5/8"-11 45




10 - 100 mm Diamond Core Drill Bits for Porcelain ,  Vacuum Brazed Diamond Core Bits



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