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{"title":"Cross Recessed Blue White Zinc Plated Hex Head Bolt With Spring Flat Washers","imgUrl":"https:\/\/img.chinax.com\/nimg\/96\/8e\/ba3ebbafae10354cae5a2787090a-200x200-1\/cross_recessed_blue_white_zinc_plated_hex_head_bolt_with_spring_flat_washers.jpg","attrs":{"Brand Name":"YONGBIAO","Model Number":"Hexagon Bolt with Washer Assemblies","Certification":"ISO9001","Place of Origin":"ZHEJIANG CHINA"}}
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304 Stainless Steel DIN 988 Precision Shim Washers
Our 304 Stainless Steel DIN 988 Shim Washers (also known as adjusting or support washers) are ultra-precision flat spacers designed to adjust axial clearances and eliminate play in mechanical assemblies. Manufactured strictly in accordance with DIN 988 standards using premium-grade SS304, these thin shims offer exceptional thickness tolerance and excellent corrosion resistance.
Technical Specifications
Parameter
Specification Details
Standard
DIN 988 (Shim Washers / Supporting Rings)
Material
Authentic 304 Stainless Steel (SUS304 / A2)
Thickness Range
0.1mm, 0.2mm, 0.3mm, 0.5mm, 1.0mm, up to 2.0mm
Inner Diameter (d1)
3mm to 100mm+
Outer Diameter (d2)
6mm to 120mm+
Thickness Tolerance
Micro-level precision (compliant with DIN 988 strict limits)
Surface Finish
Plain, Deburred, Cleaned and Lightly Oiled (upon request)
Key Features & Advantages
High-Precision Thickness Tolerance: Rigorous precision rolling and stamping processes guarantee ultra-tight thickness tolerances for stable performance in high-RPM rotating shafts.
Premium 304 Stainless Steel: Superior resistance to chemicals, moisture, and oxidation - perfect for food processing, marine, and outdoor operations.
Flawless Flatness & Burr-Free Edges: Advanced fine-blanking technology ensures excellent flatness and perfectly rounded, burr-free edges to prevent stress concentration.
Comprehensive Thickness Stacking Options: Mixed-thickness assortment kits or single-size bulk packages allow precise clearance compensation through stacking.
Typical Industrial Applications
Bearing Preloading: Adjusting the distance between bearings to reduce noise and friction
Gearbox & Transmission Systems: Setting precise backlash and gear meshing
Pumps & Valves: Aligning impellers and sealing rings to prevent fluid leakage
Electric Motors: Controlling the axial movement of the motor rotor shaft
Why Partner With Us?
Integrated Supply Chain Advantage: Efficient lead times and competitive direct-factory pricing from the Yangtze River Delta manufacturing zone
Custom Stamping Capabilities: Custom tooling for specific internal/external diameter specifications beyond standard DIN 988 dimensions
Material Guarantee: 100% verifiable 304 stainless steel with Material Test Certificates (MTC) and SGS reports available
B2B Logistics Expertise: Flexible trade terms (FOB, CIF, CPT) with secure bulk packaging for international transit protection
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2012
Total Annual:
5000000-6000000
Employee Number:
45~53
Ecer Certification：
Verified Supplier
Ningbo Yongbiao Fastener Manufacturing Co., Ltd. is located in Ningbo, the second largest port city in China. The factory is 50 kilometers away from Ningbo Port and can reach the sea freight warehouse in one hour, with very fast logistics. The company was founded in 2012 and after years of hard work... Ningbo Yongbiao Fastener Manufacturing Co., Ltd. is located in Ningbo, the second largest port city in China. The factory is 50 kilometers away from Ningbo Port and can reach the sea freight warehouse in one hour, with very fast logistics. The company was founded in 2012 and after years of hard work...
