Skip to content


Diamond Composite Core-Drilling Bit for Easy Advancement

05 Jun 2024

[Utility Model] Diamond composite sheet core-drilling bit for easy advancement

Authorization Announcement Number:CN207728312U
Authorization Announcement Date:2018.08.14
Application Number:2017215725898
Application Date:2017.11.22
Patentee:Qidong County Fengsu Drilling Tools Co., Ltd.
Inventor:Li XiaohuanZou ChaoLi Zhongyong
Address:No. 178, Nanshan Road, Hongqiao Town, Qidong County, Hengyang City, Hunan Province 421600
Classification Number:E21B10/48(2006.01)I

The utility model discloses a diamond composite sheet core-drilling bit for easy advancement, including a steel body and cutting teeth. The steel body is tubular, with one end as the connection end for drilling equipment and the other end as the connection end for the cutting teeth. There are multiple cutting teeth, uniformly arranged in a ring and welded on one end surface of the steel body; the cutting surface of the cutting teeth ends is fan-shaped. The cutting teeth are columnar with a radial cross-section in a fan shape, their arc surfaces solidly connected to the end face of the steel body at the cutting teeth connection end, with cutting edges at the junction of two planes on the side wall. The fan shape is a closed figure formed by an arc and two straight lines. Due to the altered shape of the cutting teeth, this core-drilling bit has reduced resistance on its working surface (i.e., cutting surface), significantly increasing the advancement speed.

Prev Post
Next Post

Thanks for subscribing!

This email has been registered!

Shop the look

Choose Options

Edit Option
Terms & Conditions
What is Lorem Ipsum? Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum. Why do we use it? It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters, as opposed to using 'Content here, content here', making it look like readable English. Many desktop publishing packages and web page editors now use Lorem Ipsum as their default model text, and a search for 'lorem ipsum' will uncover many web sites still in their infancy. Various versions have evolved over the years, sometimes by accident, sometimes on purpose (injected humour and the like).
this is just a warning
Shopping Cart
0 items