JIS B1181 Stainless Steel 316 Class 4T Steel Nut Bolts or carbon steel ZP YZP BLACK HDG

Specification

Scope:

This Standard specifies hexagon nuts and hexagon thin nuts (hereafter generically referred to as "hexagon nuts") made of steel, stainless steel and non-ferrous metals.

If, in special cases, dimensions and product specifications other than those listed in this Standard are required, they shall be selected from existing Japanese Industrial Standards, for example JIS B 0205-4, JIS B 0209-1, JIS B 1021, JIS B 1052-2, JIS B 1052-6 and JIS B 1054-2 upon agreement between the purchaser and the manufacturer.

Annex JA gives specification of hexagon nuts not given in ISO 4032 to ISO 4036, and ISO 8673 to ISO 8675, Annex JB gives specifications of steel nuts of property classes 4 t TO 10 T.

NOTE: The International Standards corresponding to this Standard and the symbol of degree of correspondence are as follows.

ISO 4032 : 2012 Hexagon regular nuts (style 1) - Product grades A andB

ISO 4033 : 2012 Hexagon high nuts (style 2) - Product grades A and B

ISO 4034 : 2012 Hexagon regular nuts (style 1) - Product grade C

ISO 4035 : 2012 Hexagon thin nuts chamfered (style 0) - Product grades A and B

ISO 4036 : 2012 Hexagon thin nuts unchamfered (style 0) - Product gradeB

ISO 8673 : 2012 Hexagon regular nuts (style 1) with metric fine pitch thread - Product grades A and B

ISO 8674 : 2012 Hexagon high nuts (style 2) with metric fine pitch thread - Product grades A and B

ISO 8675 : 2012 Hexagon thin nuts chamfered (style 0) with metric fine pitch thread - Product grades A and B (Overall evaluation: MOD)

In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standards and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISOI lEC Guide 21-1.

Process flow

Cold forging

Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ tapping ➨make heat treatment(if need) ➨ Finish ➨ Packing

Hot forging

Cutting material ➨ hot forging ➨ turning ➨ tapping ➨ make heat treatment(if need) ➨ Finish ➨ Packing

Product Grade(Carbon steel)

Class 4T Class 5T Class 6T Class 8T Class 10T

Product Grade(Stainless Steel)

304 A2-70 A2-80 316 A4-70 A4-80

Materials and Chemical compstition

Carbon

1008

1035

10B21

1045

40CR

35CRMO

42CRMO

Stainless Steel

Finish

PLAIN ZP YZP BLACK HDG DACROMET GEOMET CHROME NICKEL AND SO ON

PACKING

QBH BULK

20-25KG/CTN,36CTNS/PALLET

20-30KG/BAGS,36BAGS/PALLET

ONE TON/BOXES

50KG/ IRON DRUM,12 IRON DRUMS/PALLET

QBH SMALL PACKING

Packing in small boxes according to customer’s requirements

Packing in plastic bag according to customer’s requirements

QBH PALLET TYPE

SOLID WOOD FUMIGATION PALLET

EURO Pallet

THREE SPLINT PALLET

WOODEN BOX

Annex JB(normative)

Mechanical properties of steel nuts—property classes 4T to 10T

According JIS HANDBOOK FASTENERS&SCREW THREADS 2018

From Page 1583 to Page 1591

The advantages of QBH

• QBH brand sales to the main quality assurance.
• Years of export trade management, excellent service, word-of-mouth guarantee.
• By working with TUV,escort for quality.
• Customization of non-standard parts can be made according to customer's requirements and drawings.
• For quality customers,we can provide a certain credit period.
  

     Jiaxing City Qunbang Hardware Co,ltd is a productiondesignsales and after-sales as one of the fasteners business,The company is located in HangjiaHu Plain,close to ShanghaiNingboZhapu ports.The geographical position is superior,the transportation is convenient,has created the natural superiority for the export.

     The company mainly produces high-strength fasteners business, bolts and nuts are the main,the main standard are DIN/ANSIASME/JIS/UNI/ISO/AS/BS/GB and so on.The product massively applies in the bridgeroadthe petroleum pipeline facilitythe wind power generation and steel structure project. Carbon steel bolts mainly have 4.8、5.8、6.8、8.8、10.9、12.9,nuts mainly have 4、6、8、10,the main material of stainless steel fastener is 201/304/316.QBH from its establishment to he present,after ten years of development,it is equipped with perfect testing equipment,and SGS and TUV have a good cooperation,each batch of products is accompanied by a 3.1 or 3.2 certificate,further escort the quality of the company.

        In 2017,we registered the trademark “QBH” in the CHINA、EU、United States,and has six fastener product patents,has obtained the Zhejiang Province science and technology small and medium-sized enterprise certificate as well as the ISO9001:2000 cerfiticate.With the continuous development and expansion of the company,as well as customer demand for product diversification,on the basis of its original production,in order to further enhance the potential for cooperation with customers,as well as to provide competitive prices.Starting in 2015,QBH has taken part in several fastener enterprises one after another,the product variety is more abundant and the price is more advantageous,and the quality can also be well controlled. QBH has always been to provide customers with efficient and convenient service and quality products,and create a pleasant trading process for customers for the mission,deeply participate in customer construction projects and make progress together with customers,this means that we need to provide better and more cost-effictive solutions,so as to help customers stand out from the competition.

         QBH promises to always provide you with excellent quality,efficient service and very competitive prices.We believe that the cooperation between us is not only based on business,but also hope that we can open new markets on the basis of win-win situation.And thank all the customers in the past to give us great support and help,make us grow up gradually,at the same time also hope that in the nere future,and you can establish new business relations.