• Material: Stainless Steel
  • Connection: Common Bolt
  • Standard: DIN, GB, Per Customers′ Desire
  • Size: M3~M55
  • Certification: ISO9001
  • Available Material: High Strength Steel, Stainless Steel
  • Surface Finishing: Black, Color-Zinc, Blue-White Zinc
  • Screw Head Type: Hexagon Head, Round Head, Countersunk Head
  • Trademark: Hande
  • Specification: SGS; ROHS
  • HS Code: 73181600
  • Type: Hexagon Head
  • Head Style: Hexagonal
  • Grade: A2;A4
  • Screw Name: Ss304/316 Nylon Lock Nuts, Made-in-China
  • Export Markets: Global
  • Used: Machinery, Chemical Industry, Environmental
  • Screw Type: T Head, Mushroom Head, Cheese Head, Thumb Screw
  • Screw Groove: Triangle, Cross, Flower, Flower Word, Special Sha
  • Transport Package: 25*16*25cm Carton Box, Then Polywood Box Packed
  • Origin: Jiangsu
SS304/316  nylon lock nuts
Ss304/316 Nylon Lock Nuts, Made-in-China
Stainless Steel 304/316
Nylon Nuts
DIN982/985
 
Stainless Steel nylon lock nuts
Standard DIN985;DIN982,
Material SS304, SS316
Diameter M3~M56; 2#-1"
Finish   Plain
Features Good anti-corrosion ability
Grade A2, A4
Certification ISO9001:2008, SGS, RoHS, Bureau Veritas
OEM service is also available


Chemical Components:
Material C Si Mn P S Ni Cr Mo Other
201 0.15 1 5.5-7.5 0.06 0.03 3.5-5.5 16-18   N≤0.25
304 0.08 1 2 0.045 0.03 8.0-10.0 18-20    
304L 0.03 1 2 0.045 0.03 8.0-12.0 18-20    
321 0.08 1 2 0.045 0.03 8.0-13.0 17-19   Ti≤5*C%
316 0.08 1 2 0.045 0.03 10.0-14.0 16-18 2-3  
316L 0.03 1 2 0.045 0.03 10.0-15.0 16-18 2-3  
309S 0.08 1 2 0.045 0.03 12.0-15.0 22-24    
410 0.15   1   0.03 - 11.5-13.5    
420 0.26-0.4   1   0.03 - 12-14    
430 0.12 0.75 1 0.04 0.03 - 16-18    
 
 
About  Product :
Main products  Bolts,Screws,Nuts,Washers,Pins,Rivet,Sleeve, Shaft,CNC precision parts
Size Range Diameter:M2---M64   Length:5mm---400mm(Customized is acceptable)   
Diameter:6#---2inch,  Length:1/2inch---30inch(Customized is acceptable)   
Standard ANSI,UNI,DIN,BS,JIS,AS,GB,ISO,EN
Material Normal stainless steel;Super Alloy Stainless Steel 
Grade A2-50;A2-60;A2-70;A4-60;A4-70;A4-80,Gr 8, Gr8M
SS201,SS 202, SS301,SS303,SS304, SS304L, SS316, SS316L, SS317L, SS321;SS410,
SS 420,SS347;SS347H;SS310S\2520, 
and super alloy: 1.4529, 1.4539, 1.4980(alloy 286), 2.4602, 2.4605, 2.4610, 2.4952
 (Nimonic 80A), 2.4819, Incoloy (825\800\800H), Inconel (600\601\625\718), Monel400, etc
Surface self finish plain,minor polish, satin polish, black oxide,Electro Painting,
Others  Non-standard/standard/OEM/ODM/Customized service are provided.
 
Promise:
1. Hight quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5.  Best service
 
The Advantage: 
1.Many products:   Any type of stainless steel hardware can be supplied.
2.Good Service :   We treat clients in great honest and sincere management is our top mission.
3..Good Quality:    We have strict quality control system .Good reputation in the market.
4.OEM Accepted :  We can produce as per your drawings or samples.
5.Shortest Delivery: We have large stock, 3 days for stock items,7-15days for production.
6.Low MOQ:       It can meet your business very well. 

Sample Charge:
1.Samples charge: According to your request .   Sampling time:5-7days
2.Samples charge: Free for Existing Mold        Sampling time:3days
 
Packing Information:
1.Carton Size: 25*16*25CM
2.Wooden Pallet/Case Size: 110*90*80CM
3.Color Printed Box&Cartons can be made per customers' desire.
  
Company Information:

Hand Industrial  Ltd is established in 2010, and one professional manufacturer and supplier of stainless steel hardware. Our products contains stainless steel bolts and thread studs, stainless steel machine screws,stainless steel tapping screws and self drilling screws in different material from SS 304,SS 316,SS 316L,SS410,etc. We often make DIN. ANSI. BS. ISO. JIS standard and OEM service is available. Our products are very popular in European, Australia, North America, Mid-east, and South East Asia and some African countries.

Contact Information:
LU PENG   
SALES&MARKETING MANAGER
WWW.HANDINDUSTRIAL.COM.CN
HANDEGY.EN.MADE-IN-CHINA.COM

We can supply different size of SS hex cap bolts\hex socket cap screws\hex flange bolts\tapping screws\drilling screws.
We can supply different sizes of SS hex dome head cap nuts\hex nuts\flange nuts\hex cap nuts\hex welding nuts.

For HITACHI Cylinder Seal Kit

Daily maintenance of excavator hydraulic cylinders
The hydraulic cylinder of an excavator is one of the important hydraulic components responsible for driving and controlling mechanical movements. In order to ensure the normal use of hydraulic cylinders and extend their service life, daily maintenance is necessary.
1. Regularly clean the hydraulic cylinder: During use, the hydraulic cylinder will be attacked by various pollutants, such as dust, sediment, oil stains, etc. These pollutants can affect the working efficiency and lifespan of the hydraulic cylinder. Therefore, it is necessary to regularly clean the hydraulic cylinder.
2. Regular inspection of seals: The seals of hydraulic cylinders are key components to ensure their normal operation. If the seals are damaged or worn, it can lead to oil leakage or unstable operation of the hydraulic cylinder. Therefore, it is necessary to regularly inspect the sealing components of the hydraulic cylinder and replace them in a timely manner if there is any damage or wear.
3. Regular inspection of hydraulic oil: The operation of hydraulic cylinders requires the support of hydraulic oil, so the quality of hydraulic oil has an important impact on the working effect of hydraulic cylinders. Regularly check the quality of hydraulic oil, and replace it promptly if there is contamination or deterioration.
4. Regularly check the hydraulic pipeline: The hydraulic pipeline is the blood vessel of the hydraulic cylinder. If there is oil leakage or damage to the pipeline, it can cause the hydraulic cylinder to not work properly. Therefore, it is necessary to regularly inspect the hydraulic pipelines and promptly repair or replace them if there is any oil leakage or damage.
5. Regularly lubricate the hydraulic cylinder: The piston rod and piston ring of the hydraulic cylinder need to be lubricated to reduce wear and friction. Therefore, it is necessary to regularly apply lubricating oil to ensure the normal operation of the hydraulic cylinder.
In short, the daily maintenance of excavator hydraulic cylinders is very important, which can extend their service life and improve work efficiency. Regular cleaning of hydraulic cylinders, inspection of seals, hydraulic oil, hydraulic pipelines, and lubrication of hydraulic cylinders are required.


Big arm cylinder kit, middle arm cylinder kit, small arm cylinder kit

Safe Seal Technology Co., Ltd. , http://www.aprseal.com