Stainless steel hex bolt and washers and nut
USD $0.18 - $0.4 /Piece
Min.Order:500 Pieces
Dongguan City Zhaoming Hardware Co., Ltd.
Hex bolt with full threads is made of stainless steel , hex head and fine or coarse threads , it is used with nut or washer for building , tower and transport pipes etc .
Standards
1.DIN
2. ISO
3. BSW
4. GB
5.JIS
.
Application
1) Furniture . sofa , glass table , steel seat and table and decorative lighting etc .
2) Building . window and door , metal floor, steel structure and building beam etc
Specification
OD | L |
#0 | 2-5 |
#1 | 5-10 |
#2 | 3-10 |
#3 | 5-10 |
#4 | 5-15 |
#5 | 5-20 |
#6 | 8-20 |
#7 | 8-30 |
#8 | 10-50 |
#9 | 10-60 |
#10 | 15-80 |
#12 | 20-100 |
Finish options
Different fittings different finishs request , suitable finishs can make screws keep nice surface and anti-rust .
1) Zinc .
this is the most popular treatment , the usual color cover black , silver , yellow and white . more colors see below color card .
2) Nickel .
this is more good finish than zinc and is sole color , many parts are plated also in this finish .
3) Oxidization .
this finish is used for part stainless steel pieces , and the most alumiunm parts .
4) Polish .
the parts will be more bright after polished , especially for stainless steel parts .
5) Paint .
the color of paint is more abundant , it is more paint in different colors . partial paint and full paint for screws .
6) bronze .
this finish is very few used just for some special pieces .
7) brass .
this finish has a good anti-rust and nice surface but more expensive than zinc .
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
About the stainles steel
1) Super material .
all material are tested before feeded in and meet or over given requirements or standard .
2) 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 .
3) 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 .
4) Strong Strength .
As stainless steel has more "C" element , especially martensite stainless .
5) Antibiosis .
Most medical equipments are made from stainless steel as it can be up to 99% on killing bacteria .
6) Outstanding weldability .
The part under normal temperature is showing austenite status , and keep the perfect
comprehensive performance .
7) High hardness .
Parts are made from alloy elements material .it is up to HRC58 or more high .
8) Resistance to abrasion .
High hardness ensures parts can resist abrasion during operation .
9) Enviromental protection .
Picked material and finish treatment are based on ROHS or GB standard .
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
Advantage
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 .
Q. What production you produce ?
A. We are producing different screws like machine screws , self tapping screws , wood screws , stainles steel screws and self drilling screws etc and metal stamping parts and hex bolts etc .