Shape: Round Shape
• Material: 4140 Alloy Steel
• Surface Treatment: Surface Treatment Provided
• Screw Type: Metric (Fine) Thread
• Type: Lock Nuts
Materials
Part Number |
ZPLNY8 |
Part Number | MxPitch | D | d | B | S | T | m | Perpendicularity of End Face (Max.) | Max. Tightening Torque (N·m) | |
Type | M | (Fine) | Set Screw | |||||||
(Standard) ZPLNY (High-Grade) ZPLN | 8 | 8x0.75 | 16 | 11 | 8 | 3 | 2 | 2xM4 | · PLNY 0.005 · PLN 0.002 | 3.5 |
10 | 10x1.0 | 18 | 13 | |||||||
12 | 12x1.0 | 20 | 16 | |||||||
15 | 15x1.0 | 25 | 21 | |||||||
17 | 17x1.0 | 28 | 23 | 10 | 4 | 2xM5 | 4.5 | |||
20 | 20x1.0 | 32 | 27 | 3xM5 | ||||||
25 | 25x1.5 | 38 | 33 | 12 | 5 | 3xM6 | 8.0 | |||
30 | 30x1.5 | 45 | 40 | |||||||
35 | 35x1.5 | 52 | 47 | |||||||
40 | 40x1.5 | 58 | 52 | 14 | 6 | 2.5 | ||||
45 | 45x1.5 | 65 | 59 | |||||||
50 | 50x1.5 | 70 | 64 | 3xM8 | 18.0 | |||||
55 | 55x2.0 | 75 | 68 | 16 | 7 | 3 | ||||
60 | 60x2.0 | 80 | 73 |
Shape: Round Shape
• Material: 4140 Alloy Steel
• Surface Treatment: Surface Treatment Provided
• Screw Type: Metric (Fine) Thread
• Type: Lock Nuts
Materials
Part Number |
ZPLNY8 |
Part Number | MxPitch | D | d | B | S | T | m | Perpendicularity of End Face (Max.) | Max. Tightening Torque (N·m) | |
Type | M | (Fine) | Set Screw | |||||||
(Standard) ZPLNY (High-Grade) ZPLN | 8 | 8x0.75 | 16 | 11 | 8 | 3 | 2 | 2xM4 | · PLNY 0.005 · PLN 0.002 | 3.5 |
10 | 10x1.0 | 18 | 13 | |||||||
12 | 12x1.0 | 20 | 16 | |||||||
15 | 15x1.0 | 25 | 21 | |||||||
17 | 17x1.0 | 28 | 23 | 10 | 4 | 2xM5 | 4.5 | |||
20 | 20x1.0 | 32 | 27 | 3xM5 | ||||||
25 | 25x1.5 | 38 | 33 | 12 | 5 | 3xM6 | 8.0 | |||
30 | 30x1.5 | 45 | 40 | |||||||
35 | 35x1.5 | 52 | 47 | |||||||
40 | 40x1.5 | 58 | 52 | 14 | 6 | 2.5 | ||||
45 | 45x1.5 | 65 | 59 | |||||||
50 | 50x1.5 | 70 | 64 | 3xM8 | 18.0 | |||||
55 | 55x2.0 | 75 | 68 | 16 | 7 | 3 | ||||
60 | 60x2.0 | 80 | 73 |
Frequently asked questions about this product (FAQ)
1. Do I need to add grease to lock the nut
Both tightening and loosening require the use of lubricants. If the hardness of the fixed shaft is relatively low, please use lubricating grease with high lubricity
2. Precautions when fixing
To ensure the maximum effect of the locking nut, please expose the threaded part by more than 2 inches during fixation. The standard locking nut is a round nut with four small grooves on its outer circumference, which can be tightened on the stud body with a crescent wrench. The locking nut should be equipped with a shaft washer, which can fix the small groove on the stud body relative to the small groove on its outer circumference to prevent it from loosening.
3. The difference between ordinary nuts and lock nuts
1. Different vibration resistance performance
Ordinary nuts: relatively poor compared to locking nuts
Locking nut: Superior vibration resistance. When the thread is tightened, the top thread of the bolt tightly enters the 30 ° wedge-shaped slope of the nut and is clamped. The normal force generated by the applied force on the wedge-shaped slope forms a 60 ° angle with the axis of the bolt, rather than a 30 ° angle. Therefore, the normal force generated by the locking nut during tightening is much greater than that of ordinary standard nuts, which has great anti loosening and anti vibration capabilities.
2. Different wear resistance and shear resistance
Ordinary nuts: poor wear resistance and shear resistance;
Locking nut: Strong wear resistance and shear resistance. The 30 ° inclined surface of the nut thread base can evenly distribute the locking force of the nut on all threads of each tooth. Due to the uniform distribution of the compression force on the thread surface of each tooth, the nut can effectively solve the problems of thread wear and shear deformation.
3. Different reuse rates
Ordinary nuts: low reuse rate;
Locking nut: High reuse rate. Extensive use has shown that after repeated tightening and dismantling of the lock nut, its locking force remains unchanged and can maintain its original locking.
Frequently asked questions about this product (FAQ)
1. Do I need to add grease to lock the nut
Both tightening and loosening require the use of lubricants. If the hardness of the fixed shaft is relatively low, please use lubricating grease with high lubricity
2. Precautions when fixing
To ensure the maximum effect of the locking nut, please expose the threaded part by more than 2 inches during fixation. The standard locking nut is a round nut with four small grooves on its outer circumference, which can be tightened on the stud body with a crescent wrench. The locking nut should be equipped with a shaft washer, which can fix the small groove on the stud body relative to the small groove on its outer circumference to prevent it from loosening.
3. The difference between ordinary nuts and lock nuts
1. Different vibration resistance performance
Ordinary nuts: relatively poor compared to locking nuts
Locking nut: Superior vibration resistance. When the thread is tightened, the top thread of the bolt tightly enters the 30 ° wedge-shaped slope of the nut and is clamped. The normal force generated by the applied force on the wedge-shaped slope forms a 60 ° angle with the axis of the bolt, rather than a 30 ° angle. Therefore, the normal force generated by the locking nut during tightening is much greater than that of ordinary standard nuts, which has great anti loosening and anti vibration capabilities.
2. Different wear resistance and shear resistance
Ordinary nuts: poor wear resistance and shear resistance;
Locking nut: Strong wear resistance and shear resistance. The 30 ° inclined surface of the nut thread base can evenly distribute the locking force of the nut on all threads of each tooth. Due to the uniform distribution of the compression force on the thread surface of each tooth, the nut can effectively solve the problems of thread wear and shear deformation.
3. Different reuse rates
Ordinary nuts: low reuse rate;
Locking nut: High reuse rate. Extensive use has shown that after repeated tightening and dismantling of the lock nut, its locking force remains unchanged and can maintain its original locking.
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Dongguan Zhengchen Hardware co.ltd has been an industry leader for more than 10 years manufacturing spring-loaded devices, quick-release plungers, leveling devices and mechanical components on zhengchen for their vast product selection, versatile applications, superior value and performance
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