drill bit drag bits step drag btis in stock from China manufacturer

drill bit drag bits step drag btis in stock

Price:	200.0~500.0 USD
Payment Terms:	T/T,L/C,WU
Place of Origin:	Hebei, China (Mainland)


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Product Detail

Model No.: 2 7/8''--17 1/2''

Production Capacity: 3000 pcs/month

Delivery Date: within 15~30 days

Processing: Milling Machine

Workpiece and Weight: Heavy-duty Machine Tool

Controlling Mode: Machining Center

Brand Name: ZK

tooth type: TCI

Means of Transport: Ocean,Land,Air

Packing: wooden box or steel box or ...

Processing Types: Metal

Automatic Grade: Semiautomatic

Precision: Precision

Usage: Special

size: 2 7/8''--17 1/2''

API Tungsten Carbide Drag Bits
1. ISO9001
2. good stability
3. high drill speed
4. cheap

product name small sizes of three wings step drag btis in stock

About Our Products

PDC Drag bit are also named PDC blade bit, with PDC cutter inserts on the blades. They are manufactured from forged high quality alloy steel and PDC cutter insert, plus state of art welding technology and multiple precision heat treatment to provide highest penetration rate and longest lifespan at roughest condition.

We can supply different diameter of 2-wings drag bit, 3-wings drag bit, 4-wings drag bit, and 6-wings drag bit.

Specifications of PDC drag drill bit

Size	Type Pin	Wt. (lbs.)
1 3/4'' ~ 2 1/2''	AW, A-Rod	2
2 5/8'' ~ 2 7/8''	AW, A-Rod	2 1/2
2 3/4'' ~ 3 1/4''	3THD/4THD N-ROD 2'' IF	4
3 3/8'' ~ 3 3/4''	3THD/4THD N-ROD 2'' IF	4 1/2
3 7/8'' ~4 3/4''	2 3/8'' API Pin	6
4 7/8'' ~ 5 1/8	2 3/8'' API Pin	7
5 1/4'' ~5 1/2''	2 3/8'' API Pin	8
4 5/8'' ~ 5''	2 7/8'' API Pin	10
5 1/8'' ~5 1/2''	2 7/8'' API Pin	11
5 5/8'' ~ 6 1/4''	3 1/2'' API Pin	18
6 1/2'' ~ 6 3/4''	3 1/2'' API Pin	19
7'' ~ 7 1/2''	3 1/2'' API Pin	21
7 5/8'' ~ 8''	3 1/2'' API Pin	23

Ps: Special design is available upon your requirement.

Application of PDC drag drill bit

Drag bits are applied to rock formation f≤6,like mudstone, shale, sandstone, etc., mainly used for drain hole, grouting hole, geological and hydrology drilling, etc.

Our Product Advantages:

1. A super long life. The grinding/consumption ratio of PDC is 20-40 times that of tungsten carbide bit and 10 times that of diamond bit.

2. No.45 steel as the drill bit body;

3. High drilling speed.

4. Advanced geometric design for faster penetration;
5. Over 20 years manufacturering experience;
6. Solid quality;