Enquiry


Contact Us


What We Offer


About Us


Home

NB FastenersNB Fasteners

Drilling Tools & Accessories

Share:
FacebookTwitterStumble

Avail from us a wide range of Drilling Tools & Accessories that are made using graded raw material. Our collection includes Drills, Gauzes, Inserting Tools, Thread Insert Tools, Tang Break Off Tool, Extracting Tools etc. These are manufactured under the assistance of our experienced experts. Available in various customized specifications, our clients can avail these Drilling Accessories at most affordable rates.



Drill Tools

Drill Tools

Suggested drill sizes listed in the table for Aluminium are within the minor diameter limits for HELI-FORM tapped holes. Alternate drill sizes are suggested for magnesium, steel and palstics to provide for maximum tap wear life. In the case of magnesium the larger size is recommended to allow for material close-in.
Inserting Tool

Inserting Tool

Since HELI-FORM Inserts are flexible, the class of FIT of the final assembly is a function of the tapped hole. The following class of FITS are recommended;

1) METRIC SERIES - Inserts 5H.
2) AMERICAN SERIES - iNSERTS 2B.
Extracting Tool

Extracting Tool

To remove the improper installed Insert place the blade of the EXTRACTING TOOL into the Insert and hit the top of the tool by hammer to bite the Insert. Then rotate anti-clockwise putting downward pressure and the Insert will come out of the hole
Tang Break Off Tool

Tang Break Off Tool

Rest the Tang Breaking Tool on the tang of the Inserts and give an impact blow on the top of the tool by a hammer. Tang will break perfectly.
Thread Insert Tap

Thread Insert Tap

Conventional shop practice and production procedure, speeds feeds and lubricants should be used in combination with proper fixturing and good tapping machines and tapping head
Hole Gauge

Hole Gauge

Accuracy of finish thread, when the the Insert is installed, is dependent upon the accuracy of the tapped hole. If the finish tapped hole gauges satisfactorily, the installed Insert will be within the Thread tolerance. It is therefore not necessary to guage the installed Inserts. After the Insert is installed the go Thread plug gauge may not enter freely, however the Insert will always sit itself when the bolt or screw is installed and tightened.

What We Offer

 Contact us

Mr. Partha Bhattacharya (Manager)
206, Acharya Prafulla Chandra Road
Kolkata, West Bengal - 700 004, India
Telephone:  +(91)-(33)-25557940/ 25567104

Contact via E-mail

Contact via Mobile

Contact via SMS

Home | About Us| What We Offer | Media Gallery | Site Map | Contact Us | Enquiry

Member IndiaMART.com © NB Fasteners. All Rights Reserved (Terms of Use)
Developed and Managed by IndiaMART InterMESH Limited

Business Enquiry Form


Add More Products / Services

(* represents compulsory fields )

*Describe Your Requirements in Detail
Please Fill Your Contact Information
*Contact Person:
*Email:
Company:
Street Address:
*Country:
*Telephone:
Mobile:
Website:
*Enter the code:

Send me a copy of this enquiry