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Single Coil Helical Spring Lock Washer 65mn Black Oxide GB/T 93 M2-M48
China TianjinFasto Industrial Co., Ltd.
US$0.01 - 0.10
MOQ1000 Pieces
Product profile
- Standard
- GB/T 93-2025 (Dimensions), GB/T 94.1-2008 (Technic
- Alternative Standard
- DIN 127b / ASME B18.21.1 / JIS B 1251 (on Request)
- Hardness
- 40-50 HRC (Quenched & Tempered)
- Section
- Square Section (S = B)
- Surface Treatment
- Black Oxide (Standard); Zinc Plating, Phosphate
- Application
- Bolt & Nut Assemblies, General Machinery, Valves &
- Customization / OEM
- Available (Custom Sizes, Packaging, Private Label)
- Delivery Time
- 15 to 25 Days (Stock Sizes 7-10 Days; Free Samples
- Size Range
- M2-M48 in Stock; M1.6 & Special Sizes on Request
- Test Report
- Hardness & Elasticity Per Batch; Salt Spray on Req
- Sample
- Free Samples Available Within 7 Days
- Certificates
- ISO 9001:2015, Mtc & Coc Per Shipment
Company profile
Fasto Industrial Co., Ltd.
西安法斯拓进出口有限公司China TianjinRoom 1806, Block B, Soho, Lvdi, Yanta District, Xi 'an, Shaanxi, Tianjin, China- CertifiedVerified Supplier
- CertifiedTrade Assurance
- Business Type: Combined
- Established: 2022
- Employees: 37
- Plant Area: 5000.0m²
- Avg. Response Time: ≤ 8.84h
- Certification: -
- System Certification: NIL
Main Products
- Screws
- Bolts
- Nuts
- Washers
- Rivets
- Nails
- Machines
Main Markets
Others(foreignTradeCapacity.exportBusinessCapacityMarketOther),Europe,North America





























