1. Product Description

DIN931 Half threaded hex bolt is a fastener consisting of head and screw. According to the material, the bolt can be divided into iron bolt and stainless steel bolt, that is, hexagonal head bolt (partial thread) - C level and hexagonal head bolt (full thread) - C level.

Hexagonal bolt: A type of fastener consisting of a head and a screw (a cylinder with external threads), which needs to be matched with a nut to fasten and connect two parts with through holes.

This connection form is called bolt connection. If the nut is screwed off from the bolt, the two parts can be separated, so the bolt connection belongs to the removable connection.

2. Specification

1) Materials: Carbon Steel

2) Process Method: Cold forging& hot forging

3) Size:Diameter M5-M52 , length 6mm-300mm

4) Standard: DIN931

5) Surface: Black

6) Grade: 4.8

7) Material chemical:

8) Packing: Inner packing with strong plastic bag, carton finally. Packing dimension would be according to the products dimension and quantity.

9) Delivery terms: FOB / CFR / CIF etc.

10) Delivery Time: 60-70 days after get the deposit.

3.Features

1) Surface treatment:After casting, we can do machining, polishing, oiled (rust-proof), zinc, nickel, chrome plating, hot galvanized, painted.

2) Material & mechanical properties & heat treatment: according to your requirements.

All the materials are according to GB, JIS, ISO, ANSI, ASTM, BS, DIN, which can meet the ISO9001-2008 quality control and inspection

4.Application

General Fastening applications where need high strength and superior corrosion resistance. Typical applications Construction, Machine repairs outdoor. Designed for using in high-stress and high-strength applications. Hop dip galvanized offers corrosion resistance and protection.

Hongxu Hardware Co.,Ltd is a professional manufacturer and exporter many kinds of fastener:Threaded rod,Bolt,Nut,Washer,Anchors etc,with more than 15 years in this field.We are near from Shanghai,Ningbo about 120 kms,with our high quality products and good services,we have relations with customers all around the world.

We are a professional and modern company dealing in standard parts,and have a professional technical team and high-quality supply,has a complete and scientific quality management system, first-class service and quality for survival,as a guarantee for our customers' vital interests.Our main products are: tooth bar, hexagon bolt, nut, screw and other products.

Our company had“innovative concept,the pursuit of excellence,rapid improvement,sustainable management as business philosophy,Quality is the first work in our company,customers satisfaction is our honor.

Our quality policy will never change,to carrenvironment the society and the social responsibility,we are a integrity,responsibility,innovation team,hoping we can do business with the customers from all around the world.