Products Description
The rounded profile of the slotted round nut features several grooves on its sides, playing an irreplaceable role in critical components such as machine tool spindles, automotive transmissions, and construction machinery drive systems.
Design Features:
- Profile: Entirely circular with a large outer diameter, enabling sufficient clamping force within confined spaces.
- Grooves: Several evenly spaced U-shaped grooves on the sides allow precise tightening or loosening with a specialized hook wrench.
- Thread: Features fine internal threads, enabling precise adjustment and superior anti-loosening performance during locking.
- Usage Method: First, position the nut onto the shaft at the designated location. Then, tighten it using the hook wrench. Finally, engage the tongue of the lock washer into the nut's groove and the keyway on the shaft to achieve a secure lock.
Parameter
|
Standard |
DIN546 |
|
Name |
Slotted Circular Nuts |
|
Material |
carbon steel and alloy steel, etc. |
|
Grade |
Grade 4.8, 5.8, 8.8 |
|
Nominal Diameter |
M2-M48 |
|
Pitch |
0.4-5 |
|
Surface treatment |
ZP,YZ,BLACK |
|
Alias |
Round Nut |
Our Products
The Function of Slotted Round Nuts
Among numerous fasteners, why are slotted nuts suitable for precision instruments?
High Locking Accuracy
The fine-pitch thread design enables micrometer-level position adjustment. This is crucial for bearings requiring precise preload, effectively extending bearing lifespan.
01
Strong Anti-Loosening Performance
When paired with a lock washer, it forms a dual anti-loosening structure of "nut + washer." This configuration remains immovable even under high-speed rotation and severe vibration conditions.
02
Easy Operation
Workers can install and remove the nut in confined spaces using only a hook wrench, significantly improving maintenance and assembly efficiency.
03
High Reliability
The product undergoes heat treatment and blackening, delivering high strength, excellent toughness, and rust/corrosion resistance. It operates reliably in harsh environments from -40°C to 150°C.
04
Product Applications
Machine Tool Spindles
The spindle of a high-precision CNC lathe can reach speeds of thousands of revolutions per minute.
A slotted round nut can be precisely tightened onto the spindle end to apply the optimal preload to the bearings, then locked in place with a stop washer. This ensures stable bearing operation.
Automotive Transmission
During vehicle operation, the transmission endures immense torque from the engine and frequent shifting impacts.
Slotted nuts secure the input and output shaft bearings, ensuring precise and stable power transmission. This enables smoother gear changes and safer driving.
Construction Machinery
In excavators, cranes, and other construction equipment, the transmission system must withstand loads ranging from several tons to tens of tons.
Slotted nuts secure large slewing bearings, with each locking operation safeguarding equipment integrity and operator safety.
Why Choose Us?
Choosing our slotted round nuts means choosing peace of mind and reliability:
- Premium Materials: We use high-quality alloy steel, rigorously tempered for superior strength and toughness.
- Precision Manufacturing: High-accuracy threads and precisely positioned slots ensure perfect compatibility with hook wrenches and lock washers.
- Rigorous Quality Control: Every nut undergoes strict inspection to eliminate any defective products from reaching the market.
- Comprehensive Range: We offer fasteners in various specifications and strengths, with customization available to meet your specific requirements.
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