Round head square pre-bolts

Catalog：

Stud Serials

>> Messages

>> Contact

Excellent product quality and excellent after-sales service have won the trust of domestic and foreign customers. For more than 20 years, Ningli has been adhering to the company tenet of "Quality priority, Customer Supreme, Reasonable Price, reputation is important". Research and development.

Tel: +86-574-86531888

Fax: +86-574-86531668

E-mail: ningli@ningli.cn

key word: Stud Serials，Bolt Series

Detail

Stud serials
Executive standard	DIN931 DIN933 DIN960 DIN961 DIN558 DIN601 DIN7990 GB21 GB27 GB31 GB5782 GB5783 GB5785 Steelwork A325 Steelwork A490 A307 A394 ISO4014 ISO4017 AS1252 ASME B18.2.1等
Class	8.8	d≤30	35Acr、35K、38K、45K、45#
		d≥33	40Cr、35CrMoA
	10.9	All specification	40Cr、ML40Cr 35CrMoA、SCM435
	12.9	All specification	SCM435、35CrMoA、42CrMoA、B7
Surface finishing	Black, phosphate, zinc, hot dip galvanized, Dacromet, Geomet etc

FEATURED PRODUCTS

Stud serials

MESSAGES

Contact

Add:No.25 XiHe Road, JiuLonghu Town, ZhenhaiDistrict,
Ningbo City, Zhejiang Province, China
Tel: +86-574-86531888
Fax: +86-574-86531668
E-mail: ningli@ningli.cn