Slotted Round Nut (DIN 1804)

Question 1: What is a DIN 1804 lock nut?

Answer: A DIN 1804 lock nut refers to a standardized type of Slotted Round Nut designed for precision locking applications. In the context of FULLERKREG products, models like the Slotted Round Nut (DIN 1804 RF, DIN 1804 H, DIN 1804 W) are engineered to improve assembly precision, reduce spindle deflection, resist loosening under vibration, and extend component service life. They are essential fasteners in mechanisms requiring secure, high-strength, and reliable locking.

Question 2: What is DIN 1804 applied in?

Answer: DIN 1804 series lock nuts (such as RF, H, W types) are widely applied across various industries. The primary application fields are summarized in the table below:

Question 3: What are DIN 1804 materials?

Answer: The materials for FULLERKREG DIN 1804 lock nuts are as follows:

• Standard Material: High-quality 45# steel, with a black oxide and oil immersion surface finish.

• Customizable Materials & Finishes:

  • Alloy Steels: 42CrMo, 40Cr.

  • Stainless Steel A2 (304 equivalent), with natural finish.

  • Stainless Steel A4 (316 equivalent), with natural finish.

  • Other surface treatments available per operating environment: Zinc plating, nickel plating, phosphating.

Question 4: How to install DIN 1804 lock nuts?

Answer: The installation procedure for DIN 1804 lock nuts is straightforward:

1. Tool: Use a hook wrench or pin wrench.

2. Tightening: Tighten the nut to the specified rated torque. The required torque depends on the necessary preload.

Question 5: How to remove DIN 1804 lock nuts?

Answer: The removal method depends on the nut type:

• For locknuts WITHOUT locking pins: Simply loosen and remove the lock screws.

Download DIN 1804 Dimensions pdf and  DIN 1804 Weight Chart  or views online

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