Specifications

1. Good quality
2. Best price
3. Different sizes
4. Quick delivery
5. Good sales-after service

Introduction

 

Stainless steel hex nut with hexagon profile and a machine threaded hole in the centre , hex nut is used with bolts , rods and washers to collect parts , to screw the hex nut into a bolt or threaded rod to stop the workpiece to slip out when they through the workpiece .

 

The grade for Hex nuts from 4 to 12 grade , different grades for different applications , customers can according to specific requirements to choose , related torqure for the different grades as following show

 

 

 

 

 

Specification of Nuts

 

Hex nuts is standard at the most time and there are DIN , ISO , BSW and GB standards etc so far .

 

 

 

 

 

Finishs

 

finish	thickness um	environment   yes/ not
zinc	10	yes
oxidation	8	yes
nickel	10	yes
dacromat	20	yes
brass	10	yes
HDZ	50	yes

 

 

Material introduction

 

 

1. Exceptional Anti-rust performace .

stainless steel material is good resistance from rust ,generally , finished goods can be anti-rusted over 72 hours under 96% salty sprey . so the most goods in outdoor or on seaside are choosed stainless steel as the first material .

As stainless steel contains nickel and chrome elementes , it is one of the best material that on resistance rust , especially for working surroundings with much acidity .

 

2. Nice surface .

goods are polished after finished forming . this is a good choice for ornamental parts . besides , stainless steel parts also can be finished in different colors per surface of fittings . In fact , stainless part itself has bright appearance .

 

3. Strong Strength .

As stainless steel has more "C" element , especially martensite stainless .

 

4. Antibiosis .

Most medical equipments are made from stainless steel as it can be up to 99% on killing bacteria .

 

5. Outstanding weldability .

The part under normal temperature is showing austenite status , and keep the perfect comprehensive performance .

 

6. High hardness .

Parts are made from alloy elements material .it is up to HRC58 or more high .

 

7. Resistance to abrasion .

High hardness ensures parts can resist abrasion during operation .

 

8. Enviromental protection .

Picked material and finish treatment are based on ROHS or GB standard .

 

 

Quality control

 

(1) Checking material before feed in

all material must be checked according to the requirements of products before put them onto the machines to ensure material is available .

 

(2) IPQC ( by handle and auto-machined control )

The semi-finished products must be checked in special tools during production , this ensure products are always under control .

 

(3) Chemical elements analysis and fhysical testing after post treatment

The most metal products need post treatment after finished proudct, all products will be tested after than to make sure the quality of products are meet the related requirement .

 

(4) The second inspection , sort all finished goods by sorting machines if required ;

All goods were finished , they must to be tested and checked before package ; In this phase , goods will be checked in full inspection or partial inspection . and checking methods can be by handle or auto-machines .

 

(5) Packing

Packed in polybags and cartons or in small color bags .

 

(6) Last inspection ( spot checking , packages status , quantity etc )

When all goods are ready , we will make a final inspection for quantity and package’s status .

 

(7) Delivery

Everything is ready , we will deliver goods to appointed place or port according talking

 

 

 

 

Packing

 

1. In bulk

 

 

                   chipboard cartons with belt on the outside

 

Items are packed in apparent polybags and solid cartons then , usually 3-5 bags in each carton and the gross weight is about 15 kilograms .

 

The sizes of the carton

 

20x28x16

16x18x25

20x22x28

16x18x28

 

Application

 

This package is usually for private use in the factory to assemble parts

 

 

Advantages

 

1) suitable for production line in the factory

 

2) big quanity each bag

 

3) low cost on package

 

 

 

 

2. Box

 

 

 

Items are packed in boxes inside and some boxes to a carton , the boxes would be colored or plain . 10-15 kilograms each carton . it contains plastic box and chipboard box . and both kinds of boxes can be print the customer’s logo .

 

 

Application

 

Box package is usually for sales in store .

 

Advantages

 

1) Individual packing

 

2) Customization design

 

3) Easy to sales

 

4) easy to check

 

5) easy to carry

 

6) not easy broken

 

7) beautiful apperance.

 

 

 

FAQ’s

 

Q. How about your capacity ?

 

A. With scale of ten thousand square meters , different processing machines , we are able to finish up to 2000 tons raw material every year , generally , one full 20 feet container ( about 20 tons) can be done in 20- 25 days .

 

 

Q.How long I can get samples for approval before placing order ?

 

A. Let you get and confirm samples in first time is our reponsiblity and pleasure , just in one week for new samples that need to be done in new tools , and we can deliver samples within 24 hours for exsiting samples once received your request .

 

 

Q.What are your popular payement menthods ?

 

A. T/T is our prior choose for all , of course , we are also accept L/C , Westunion , paypall .