Changzhou Kainuo Precision Tools Co., Ltd.
 
 
 
 

P.C.: 213000

Contact: Chen Jianzhong

Tel: +86-519-88881885

Fax: +86-519-83445585

Mobile: +86-13775022275

E-mail: kn@kntools.com

Url: www.kntools.com

  
Code
Standard screw use 90° stepped drill  
1011B
Standard screw use 90° stepped drill(inner cold)
1011
Standard screw use 90° stepped drill(outer cold)
1011XB
Standard fine thread use 90° stepped drill(inner cold)
1011X
Standard fine thread use 90° stepped drill(outer cold)
4 Records
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