DIN1804 Automotive Slotted Round Nut for Hook Spanners is a rugged, precision-engineered fastener designed to deliver exceptional performance in high-torque automotive applications. Featuring a slotted round design optimized for secure engagement with hook spanners, it ensures reliable tightening and loosening in confined or hard-to-reach spaces, such as wheel hubs, drivetrain components, and steering linkages. Constructed from high-strength alloy steel and heat-treated for superior durability, this nut withstands extreme mechanical stress, vibration, and temperature fluctuations common in automotive environments. The precisely machined slots enable precise torque application while resisting deformation under heavy loads, making it ideal for critical systems like axle assemblies, transmission shafts, and suspension joints. Its corrosion-resistant finish ensures long-term resilience against road salts, moisture, and chemicals, maintaining structural integrity over years of use. Compliant with DIN standards and trusted by automotive engineers, the DIN1804 guarantees a fail-safe solution for applications demanding robust, vibration-proof fastening. From securing wheel bearings to stabilizing steering components, this slotted round nut ensures your vehicle’s vital systems remain tightly locked, mile after demanding mile. Key Advantages for Your Applications: Secure High-Torque Fastening: Engineered to withstand and effectively transmit significant tightening forces in demanding automotive systems. Optimized for Hook Spanners: Ensures reliable engagement and efficient torque application in hard-to-reach areas. Exceptional Durability: Constructed from high-strength alloy steel and heat-treated to resist extreme mechanical stress and vibration. Temperature Fluctuation Resilience: Maintains its structural integrity across the wide temperature ranges encountered in automotive environments. Precise Torque Application: Minimizes deformation under heavy loads, crucial for critical systems. Superior Corrosion Resistance: Features a specialized finish that provides long-term protection against road salts, moisture, and automotive chemicals. DIN Standard Compliance: Guarantees dimensional accuracy and material quality trusted by automotive engineers worldwide. Vibration-Proof Reliability: Ensures critical automotive systems remain securely fastened, even under constant vibration. Long-Term Structural Integrity: Designed for enduring performance, contributing to the overall safety and reliability of the vehicle. Ideal for: Wheel Hub Assemblies: Securing bearings and ensuring proper wheel mounting. Drivetrain Components: Fastening shafts, gears, and other critical elements within the transmission and differential. Steering Linkages: Ensuring precise and secure connections in the steering system for optimal control. Axle Assemblies: Maintaining the integrity and stability of the vehicle's axles. Transmission Shafts: Securely fastening components within the transmission system. Suspension Joints: Providing robust and reliable connections in the vehicle's suspension system. Industrial Machinery: Suitable for heavy-duty applications requiring secure fastening in challenging environments. Agricultural Equipment: Withstanding harsh conditions and ensuring reliable performance of critical joints. Construction Vehicles: Providing durable fastening solutions for machinery operating under extreme stress. Product NameStandardMaterialDiameterThickness/HeightSlotted Round NutsGB/T 816-201845 Carbon Steel, Zinc PlatedM10 (10 mm)8 mmSlotted Round NutsGB/T 816-201845 Carbon Steel, Zinc PlatedM12 (12 mm)10 mmSlotted Round NutsGB/T 816-201845 Carbon Steel, Zinc PlatedM16 (16 mm)12 mmSlotted Round NutsGB/T 816-201845 Carbon Steel, Zinc PlatedM20 (20 mm)15 mmSlotted Round NutsGB/T 816-201845 Carbon Steel, Zinc PlatedM24 (24 mm)18 mmSlotted Round NutsGB/T 816-201845 Carbon Steel, Zinc PlatedM30 (30 mm)20 mmSlotted Round NutsASME B18.6.7ASTM A563 Grade A, Zinc1/2" (12.7 mm)0.25" (6.35 mm)Slotted Round NutsASME B18.6.7ASTM A563 Grade A, Zinc5/8" (15.88 mm)0.312" (7.92 mm)Slotted Round NutsASME B18.6.7ASTM A563 Grade A, Zinc3/4" (19.05 mm)0.375" (9.53 mm)Slotted Round NutsASME B18.6.7ASTM A563 Grade A, Zinc1" (25.4 mm)0.5" (12.7 mm)Slotted Round NutsANSI B18.6.7SAE J429 Grade 2, Cadmium3/8" (9.53 mm)0.2" (5.08 mm)Slotted Round NutsANSI B18.6.7SAE J429 Grade 2, Cadmium7/16" (11.11 mm)0.25" (6.35 mm)Slotted Round NutsANSI B18.6.7SAE J429 Grade 2, Cadmium1-1/4" (31.75 mm)0.625" (15.88 mm)Slotted Round NutsDIN 981C45E4 Steel, Black OxideM8 (8 mm)6 mmSlotted Round NutsDIN 981C45E4 Steel, Black OxideM14 (14 mm)11 mmSlotted Round NutsDIN 981C45E4 Steel, Black OxideM18 (18 mm)14 mmSlotted Round NutsDIN 981C45E4 Steel, Black OxideM22 (22 mm)16 mmSlotted Round NutsDIN 981C45E4 Steel, Black OxideM27 (27 mm)19 mmSlotted Round NutsDIN 981C45E4 Steel, Black OxideM36 (36 mm)25 mmSlotted Round NutsISO 4161AISI 316 Stainless SteelM5 (5 mm)5 mmSlotted Round NutsISO 4161AISI 316 Stainless SteelM6 (6 mm)6 mmSlotted Round NutsISO 4161AISI 316 Stainless SteelM8 (8 mm)8 mmSlotted Round NutsISO 4161AISI 316 Stainless SteelM12 (12 mm)10 mmSlotted Round NutsJIS B1181S45C Carbon Steel, Zinc10 mm8 mmSlotted Round NutsJIS B1181S45C Carbon Steel, Zinc16 mm12 mmSlotted Round NutsJIS B1181S45C Carbon Steel, Zinc20 mm15 mmSlotted Round NutsJIS B1181S45C Carbon Steel, Zinc24 mm18 mm