API 3-Wings Step Drag Bits/Alloy Steel Drag Bits/Tungsten Carbide Drag

タイトルまたは説明

*-API or ISO ***1:***8

*-Delivery Date: In 7 work days

*-Delivery term: By air or by sea

*-MOQ: *0 units

*-Brand new

*-Size: 3”**7”

*-Packing: Wooden Case

Three wings step drag bits:

1. Drag bits are made according to API standard or no thread standard just welding
2. Various step and chevron drag bits are available from 3 inch to *7 1/2 inch. (normal small size are 3”,3 3/4”,3 7/8”,4 3/4”,4 5/8”,5 7/8” and so on)
3. There is very good feedback from our customers because of the quality and price.
4. Different drag bits can be made according to your drawings or samples.

IF you have any requirement, you can contact me any time.
Thank you in advance.

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Sales manager: mike chen
E-mail: drillbits11

        greatpdcbit