Nl20 Double-Stack Self-Locking Washer Bolt Anti-Shock Anti-Loosening Gasket Precision Double-Layer Anti-Skid Washer

• After-sales Service: Aftersale Service Provided
• Warranty: Aftersale Service Provided
• Standard: ASTM, JIS, GB, AISI, DIN, BS
• Model NO.: Nl20
• Certification: ISO, RoHS, IBR
• Surface Treatment: Other
• Technique: Stainless Steel
• Application: Auto Parts
• Edge: Mill
• Stock: Stock
• Pre-Sale: One-on-One Customer Service
• Processing Services: Slitting Slitting Cross Cutting Pendulum Shearing
• Remember The Way: Weighing
• Pre-Sales Consultation: 1V1 Docking
• Material Proof: Factory Material Sheet
• Transport Package: Export Standard Packaging or on Request
• Specification: customizable
• Trademark: China
• Origin: China

Product Description

Product display


Size information

model	Screw type	gasket size	inner diameter±0.2	Outer diameter ±0.2	Thickness/on	weight 100 / for	Number of packages
NL20	M20	21.4x30.7	21.4	30.7	3.4	0.93	100
N20sp		21.4x39.0	21.4	39	3.4	2.09	100

Material and Finish
Gaskets can be produced in different materials and with different surface treatments; all in accordance with RoHs/ELVV regulations.

Material
Carbon steel hardness 465-550HV10 hardened and annealed

·Stainless steel AISI 316L EN10088-14404, surface hardness ≥550HV0.05 after surface hardening

·Other materials can be customized according to customer requirements (hydrochloride-resistant nickel-based alloy C-276, etc...)

Surface treatment
KL100+VH301 Cr6-free red corrosion resistance is at least 600 hours (salt spray corrosion test according to ISO9227)
Mechanical galvanized + seat seal without Cr6 red corrosion resistance at least 600 hours (salt
Fog corrosion test according to I5O9227)
·Other surface treatment according to the minimum order quantity

Size and packaging

Model	Screw type	Gasket size	Inner diameter±0.2	Outer diameter ±0.2	Thickness/on	Weight 100 / for	Number of packages
NI3	M3	3.4x7.0	3.4	7	1.8	0.03	200
NL3.5	M3.5	3.9x7.6	3.9	7.6	1.8	0.04	200
NK3.5sp		3.9x9.0	3.9	9	1.8	0.06	200
NL4	M4	4.4x7.6	4.4	7.6	1.8	0.04	200
NLsp		4.4x7.6	4.4	9	1.8	0.06	200
NL5	M5	5.4x9.0	5.4	9	1.8	0.05	200
NL5sp		5.4x10.8	5.4	10.8	1.8	0.11	200
NL6	M6	6.5x10.8	6.5	10.8	1.8	0.07	200
NL6sp		6.5x13.5	6.5	13.5	2.5	0.2	200
NL1/4"	1/4"	7.2x11.5	7.2	11.5	2.5	0.08	200
NL1/4"sp		7.2x13.5	7.2	13.5	2.5	0.08	200
NL8	M8	8.7x13.5	8.7	13.5	2.5	0.15	200
NL8sp		8.7x16.6	8.7	16.6	2.5	0.28	200
NL3/8"	3/8"	10.3x16.6	10.3	16.6	2.5	0.23	200
NL3/8"sp		10.3x21.0	10.3	21	2.5	0.48	200
NL10	M10	10.7x16.6	10.7	16.6	2.5	0.22	200
NL10sp		10.7x21.0	10.7	21	2.5	0.47	200
NL11	M11	11.4x18.5	11.4	18.5	2.5	0.29	200
NL12	M12	13.0x19.5	13	19.5	2.5	0.29	200
NL12sp		13.0x25.4	13	25.4	3.4	0.93	100
NL1/2"	1/2"	13.5x19.5	13.5	19.5	2.5	0.27	200
NL1/2"sp		13.5x25.4	13.5	25.4	3.4	0.9	100
NL14	M14	15.2x23.0	15.2	23	3.4	0.56	100
NL14sp		15.2x30.7	15.2	30.7	3.4	1.41	100
NL18	M18	19.5x29.0	19.5	29	3.4	0.89	100
NL18sp		19.5x34.5	19.5	34.5	3.4	1.58	100
NL3/4"	3/4"	20.0x30.7	20	30.7	3.4	1.05	100
NL3/4"sp		20.0x39.0	20	39	3.4	2.21	100
NL20	M20	21.4x30.7	21.4	30.7	3.4	0.93	100
N20sp		21.4x39.0	21.4	39	3.4	2.09	100
NL22	M22	23.4x34.5	23.4	34.5	3.4	1.25	100
NL22sp		23.4x42.0	23.4	42	4.6	3.19	50

Solucky steel Limited is a third-party supply chain service enterprise focusing on materials for automobiles, high-end household appliances, as well as material processing and storage. Its headquarters and warehouse base are set up in Shanghai BaoShan, and has branches all over the country, 20+ subsidiary companies,including Foshan, Guangdong, Chongqing, Wuxi, etcz.  

 

Main products

 

Product Application

Machines & Processing

Packing & Delivery & logistics

Why Choose Us

FAQ

1.Where is your factory?
Our head office and warehouse located in Shanghai--the biggest steel making center of China 

2.How long is your delivery time?                                                                                
Generally it is 5-10 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to quantity.      
                                                                         
3.What about the MOQ?                                                                                
MOQ only 200KG,include coils and sheets     
                                                                           
4. How long is your lead time?                                                                                
In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
                                                                                
5.How's your product quality?                                                                                
We only sell mid to high end steel materials,100% quality guarantee and cost-effective.                                                                                
6.What are your terms of payment?                                                                                
You can make the payment to our bank account,T/T, 30% deposit in advance, 70% balance against the copy of B/L.  
                                                                             
7.How many countries you already exported to?                                                                                
We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, Thailand, Myanmar, Vietnam, India, Kenya, Ghana,somalia and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.     
                                                                           
8.What are the certifications for your products?                                                                                
We have ISO 9001, MTC, third parties' inspections are all available such SGS, BV ect.