supply steel back for diamond core drill bits,
OD 25-80mm,
length 135mm,
threaded M16,
2 or 3 grooved,
wall thickness 2-2.5mm,
material steel 20c
forged rough blank
or processing according to customers' drawings or samples.

The factory was certificated by ISO9001:2000.

Should you have any requirement, please feel free to contact us.

Fuzhou Kaisheng Precision Machinery Co., Ltd.
Contact: Ms. Connie Loh
Email: sales@ksmaching.com
Tel:86-591-83833965
Fax:86-591-83833905
URL: http://www.ksmaching.com