China Manufactures High Quality ASTM F436/ F436m Flat Washer

China Manufactures High Quality ASTM F436/ F436m Flat Washer. Standard Compliance: Manufactured according to ASTM F436 and F436M standards for high-quality flat washers. Material Quality: Constructed from durable 45# Carbon Steel for enhanced strength and reliability. Size Range: Available in sizes from M6 to M64 (1/4" to 2-1/2") to fit various applications. Surface Finish Options: Offers Black, ZP, and HDG finishes to meet different corrosion resistance needs. OEM/ODM Services: Accepts OEM and ODM orders to customize products according to client specifications. Quality Certification: ISO9001 certified with MTC and mill certificates provided upon completion. Sample Availability: Free samples available for standard fasteners; express charges may apply. Production Capacity: Equipped with cold forge machines and heat treatment lines for efficient production.