hollow drill bit - 50mm; 65mm; 56mm; 65mm.

1.hollow drill bit has four blades are setting at the same horizontal of the crown;, 2. Extra-large drainage hole. - more info check here: //www.buyindustrialtools.com/hollow-drill-bit-10247221/

Quick Brief

Place of Origin: Shaanxi China (Mainland) Brand Name: Jinshuo Model Number: 50mm; 65mm; 56mm; 65mm. Type: Center Drill Bit Material: Diamond Use: Masonry Drilling Type:: ordinary; strengthed.

Product Features:

1.hollow drill bit has four blades are setting at the same horizontal of the crown;

2. Extra-large drainage hole.

Business Terms:

Port: Lianyungang/Qingdao/Shanghai/Ningbo etc.

Minimum Order Quantity: 5 Piece/Pieces

Supply Ability: 200000 Piece/Pieces per Month

Payment Terms: L/C,T/T

Contact Supplier

Product Packagings & Delivery Terms:

Packaging Detail: Usual export packing or packing according to customer's requirements.

Delivery Detail: Depends on the quantity, usually within 30 days

Specifications and Product Details:

PDC hydroelectric drill bit

Features:

1. The blades are setting at the same horizontal of the crown which

improved drilling footage efficiency of the compact bits.

2. The extra-large drainage hole ensures good drainage speed and rapid

drilling footage.

3. It is applied in the projects of water resources and hydropower, mining,

small diameter hole drilling etc.

Main Technical Parameter of Drill Bits:

Size		Blade Quantity	PDC Quantity	Waterpore Quantity	Waterpore Diameter(mm)
Diameter(mm)	Height(mm)	Blade Quantity	PDC Quantity	Waterpore Quantity	Top	Flank
50	110	3	4	4	6	10
65	110	3	6	4	10	12