Combinations Screws

Screws with Plane / Wave washer

Hex / Socket / Cross recess screws can be supplied with integrated plain / Disk / wave washer. For this purpose special washer are used having smaller ID. The screws and washer are assembled and then the thread rolling operation is performed so that the washer does never come out of the screw.

Specification:

Range : M4 to M12 (10mm to 60mm length)
Standard : As per customer spec
Class : 6.8, 8.8, 10.9

Screws with Spring washer

Hex / Socket / Cross recess screws can be supplied with integrated spring washer alone. For this purpose special spring washer are used having smaller ID. The screws and washer are assembled and then the thread rolling operation is performed so that the washer does never come out of the screw. For all such screws hydrogen de-embittlement operation is performed after surface treatment.

Specification:

Range : M4 to M12 (10mm to 60mm length)
Standard : As per customer spec
Class : 6.8, 8.8, 10.9

Screws with Plane & Spring washer

The above screws can have both plain and spring washers together for class 8.8 and above combination screws, the screws are first heat treated separately, the washers are assemled and thereafter the threadin operation is carried out on the hardent shank. For all such screws hydrogen de-embittlement operation is performed after surface treatment.

Specification:

Range : M4 to M12 (10mm to 60mm length)
Standard : As per customer spec
Class : 6.8, 8.8, 10.9

 

 

Contact Us

High Tensile Fastnuts (India) Pvt Ltd.
Office No.16, 17, Pride Plaza, Second Floor,
Behind Ambedkar Statue, Old Mumbai-Pune Road,
Pimpri, Pune 411018.
Mail Id : mktg@htfindia.co.in
Call Us :  8857884995

Visit us at : www.htfindia.in