Model NO.: DIN137
Standard: DIN137
HS Code: 7318210001, 7318210001
Surface Treatment: Black Finishing
Production Ability: 5000000 PCS / Month
Loading Port: Shanghai Port
Certificate: ISO9001:2008
Trademark: Rbo
Transport Package: Carton Box
Specification: M3-M30
Origin: China
Model NO.: DIN137
Standard: DIN137
HS Code: 7318210001, 7318210001
Surface Treatment: Black Finishing
Production Ability: 5000000 PCS / Month
Loading Port: Shanghai Port
Certificate: ISO9001:2008
Trademark: Rbo
Transport Package: Carton Box
Specification: M3-M30
Origin: China
Steel Washer Black Finishing DIN137 Wave Lock Spring Washers Description:Dimension:
| Dimension | ID | OD | Thickness | Tolerance | Â Â Â Free Hight | |||
| M3 | 3.2 | 3.5 | 7.42 | 8 | 0.5 | ±0.05 | 0.8 | 1.6 |
| M4 | 4.3 | 4.6 | 8.42 | 9 | 0.5 | ±0.05 | 1 | 2 |
| M5 | 5.3 | 5.6 | 10.3 | 11 | 0.5 | ±0.05 | 1.1 | 2.2 |
| M6 | 6.4 | 6.76 | 11.3 | 12 | 0.5 | ±0.05 | 1.3 | 2.6 |
| M7 | 7.4 | 7.76 | 13.3 | 14 | 0.8 | ±0.06 | 1.5 | 3 |
| M8 | 8.4 | 8.76 | 14.3 | 15 | 0.8 | ±0.06 | 1.5 | 3 |
| M10 | 10.5 | 10.93 | 20.16 | 21 | 1 | ±0.07 | 2.1 | 4.2 |
| M12 | 13 | 14.43 | 23.16 | 24 | 1.2 | ±0.07 | 2.5 | 5 |
| M14 | 15 | 15.43 | 27.16 | 28 | 1.5 | ±0.08 | 3 | 5.9 |
| M16 | 17 | 17.43 | 29 | 30 | 1.5 | ±0.08 | 3.2 | 6.3 |
| M18 | 19 | 19.52 | 33 | 34 | 1.5 | ±0.08 | 3.3 | 6.5 |
| M20 | 21 | 21.52 | 35 | 36 | 1.6 | ±0.08 | 3.7 | 7.4 |
| M22 | 23 | 23.52 | 39 | 40 | 1.8 | ±0.1 | 3.9 | 7.8 |
| M24 | 25 | 25.52 | 43 | 44 | 1.8 | ±0.1 | 4.1 | 8.2 |
| M27 | 28 | 28.52 | 49 | 50 | 2 | ±0.1 | 4.7 | 9.4 |
| M30 | 31 | 31.62 | 54.8 | 56 | 2 | ±0.1 | 5 | 10 |
| Certifications: | ISO, TUV |
| Available Standard: | DIN, ISO, ANSI, JIS, BS, UNI,NFE |
| Available Material: | Carbon Steel, Stainless Steel |
| Size: | M3-M30 |
| Surface Treatments: | Black Finishing |
| Production Ability: | 5000000 pcs / Month |
| MOQ: | 1000pcs |
| Port: | Shanghai |
| Packaging: | Carton Box or Customized As Per Clients' Requirement |
| Payment Term: | L/C, T/T, D/P, Western Union, Paypal, Money Gram, Others |
| 1. | Efficient Leading Time: 3-20 working days for the stocked size or based on the specific order quantities. |
| 2. | Samples can be free for the standard size within 7 days with available. |
| 3. | Certifications & MTC report can be shown together with the Samples&Mass production. |
| 4. | Right quality with the reasonable offer, OEM &ODM designs are acceptable. |
| 5. | We are fighting for NO.1 in industry. |
| 1. | Please email to us as much information as possible,it will be helpful for us to quote accurate price. |
| 2. | Please include quantities required, material requirements,dimension,surface treatments,any special needs or details,  packing details and shipping requirements, lead time requirements, quotation time ... etc. |
| 3. | We will acknowledge receiving your quote request ASAP, via fax or email. |
  Established in 2005, Suzhou Ruibo Machinery and Electronics Co. Ltd has always been focusing on the advanced market. We manufacture different types of anti-loose washers and stamping pieces and committed to providing professional and personalized services to customers by integration of R&D, design, manufacturing and sales.
  We set up automatic production lines and execute strict process control, which ensures the products with high quality. There are also professional inspection equipment such as computerized tensile testing machine, salt mist test instrument and hardness tester, ensuring the dimension and performance of the products to meet the standards. Our high quality products are used in the industry of railways, mechanical equipment, elevators, motors, automobiles, wind power, photovoltaic and etc. Besides the domestic markets, our products are well received by the overseas customers in Americas, South East Asia and Middle East.
  We produce different types of anti-loose washers strictly according to the standards and requirements e.g. Chinese Standards, German Standard, American Standard and International standard. We also customize the stamping pieces according to the samples or drawings provided by customers.Â
  The raw materials we use are mainly cold rolled belts and boards of 65Mn, Spring Steel SK5 / SK7, Stainless Steel SUS304 / 316. Through stamping by high-precision moulds and heat treatment, our products have excellent mechanical performance. We provide different surface treatments:  friendly environmental blue white zinc plated, color zinc plated, mechanically deposited zinc coating, powder zinc coating, dacromet, geomet and black finishing, which satisfy the market needs.
  We started to use ERP system in 2008 to manage our logistic chain and received ISO9001:2008 quality system certificate. We promise to provide customers with reliable and high quality products and quick response services to assist our customers to improve the competitiveness in the markets.
Production equipment:
 Steel Washer Black Finishing DIN137 Wave Lock Spring Washers Description:
Dimension:
| Dimension | ID | OD | Thickness | Tolerance | Â Â Â Free Hight | |||
| M3 | 3.2 | 3.5 | 7.42 | 8 | 0.5 | ±0.05 | 0.8 | 1.6 |
| M4 | 4.3 | 4.6 | 8.42 | 9 | 0.5 | ±0.05 | 1 | 2 |
| M5 | 5.3 | 5.6 | 10.3 | 11 | 0.5 | ±0.05 | 1.1 | 2.2 |
| M6 | 6.4 | 6.76 | 11.3 | 12 | 0.5 | ±0.05 | 1.3 | 2.6 |
| M7 | 7.4 | 7.76 | 13.3 | 14 | 0.8 | ±0.06 | 1.5 | 3 |
| M8 | 8.4 | 8.76 | 14.3 | 15 | 0.8 | ±0.06 | 1.5 | 3 |
| M10 | 10.5 | 10.93 | 20.16 | 21 | 1 | ±0.07 | 2.1 | 4.2 |
| M12 | 13 | 14.43 | 23.16 | 24 | 1.2 | ±0.07 | 2.5 | 5 |
| M14 | 15 | 15.43 | 27.16 | 28 | 1.5 | ±0.08 | 3 | 5.9 |
| M16 | 17 | 17.43 | 29 | 30 | 1.5 | ±0.08 | 3.2 | 6.3 |
| M18 | 19 | 19.52 | 33 | 34 | 1.5 | ±0.08 | 3.3 | 6.5 |
| M20 | 21 | 21.52 | 35 | 36 | 1.6 | ±0.08 | 3.7 | 7.4 |
| M22 | 23 | 23.52 | 39 | 40 | 1.8 | ±0.1 | 3.9 | 7.8 |
| M24 | 25 | 25.52 | 43 | 44 | 1.8 | ±0.1 | 4.1 | 8.2 |
| M27 | 28 | 28.52 | 49 | 50 | 2 | ±0.1 | 4.7 | 9.4 |
| M30 | 31 | 31.62 | 54.8 | 56 | 2 | ±0.1 | 5 | 10 |
| Certifications: | ISO, TUV |
| Available Standard: | DIN, ISO, ANSI, JIS, BS, UNI,NFE |
| Available Material: | Carbon Steel, Stainless Steel |
| Size: | M3-M30 |
| Surface Treatments: | Black Finishing |
| Production Ability: | 5000000 pcs / Month |
| MOQ: | 1000pcs |
| Port: | Shanghai |
| Packaging: | Carton Box or Customized As Per Clients' Requirement |
| Payment Term: | L/C, T/T, D/P, Western Union, Paypal, Money Gram, Others |
| 1. | Efficient Leading Time: 3-20 working days for the stocked size or based on the specific order quantities. |
| 2. | Samples can be free for the standard size within 7 days with available. |
| 3. | Certifications & MTC report can be shown together with the Samples&Mass production. |
| 4. | Right quality with the reasonable offer, OEM &ODM designs are acceptable. |
| 5. | We are fighting for NO.1 in industry. |
| 1. | Please email to us as much information as possible,it will be helpful for us to quote accurate price. |
| 2. | Please include quantities required, material requirements,dimension,surface treatments,any special needs or details,  packing details and shipping requirements, lead time requirements, quotation time ... etc. |
| 3. | We will acknowledge receiving your quote request ASAP, via fax or email. |
  Established in 2005, Suzhou Ruibo Machinery and Electronics Co. Ltd has always been focusing on the advanced market. We manufacture different types of anti-loose washers and stamping pieces and committed to providing professional and personalized services to customers by integration of R&D, design, manufacturing and sales.
  We set up automatic production lines and execute strict process control, which ensures the products with high quality. There are also professional inspection equipment such as computerized tensile testing machine, salt mist test instrument and hardness tester, ensuring the dimension and performance of the products to meet the standards. Our high quality products are used in the industry of railways, mechanical equipment, elevators, motors, automobiles, wind power, photovoltaic and etc. Besides the domestic markets, our products are well received by the overseas customers in Americas, South East Asia and Middle East.
  We produce different types of anti-loose washers strictly according to the standards and requirements e.g. Chinese Standards, German Standard, American Standard and International standard. We also customize the stamping pieces according to the samples or drawings provided by customers.Â
  The raw materials we use are mainly cold rolled belts and boards of 65Mn, Spring Steel SK5 / SK7, Stainless Steel SUS304 / 316. Through stamping by high-precision moulds and heat treatment, our products have excellent mechanical performance. We provide different surface treatments:  friendly environmental blue white zinc plated, color zinc plated, mechanically deposited zinc coating, powder zinc coating, dacromet, geomet and black finishing, which satisfy the market needs.
  We started to use ERP system in 2008 to manage our logistic chain and received ISO9001:2008 quality system certificate. We promise to provide customers with reliable and high quality products and quick response services to assist our customers to improve the competitiveness in the markets.
Production equipment:
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