Nylock Nuts Weight Chart for Fastener Selection: A Detailed Guide for Accurate Engineering Applications

Nylock nuts play a crucial role in modern fastening systems where vibration resistance and secure locking are essential. These nuts are manufactured with a nylon insert that will not loosen during use hence suitable in industries like automotive, construction and heavy machinery. The weight of Nylock nuts is equally important when choosing the correct fastener as their size and material are.

This blog provides a detailed overview of Nylock nuts, along with a comprehensive weight chart to help engineers, buyers, and procurement teams make accurate and efficient decisions.

What Are Nylock Nuts?

Nylon insert lock nuts or Nylock nuts are hex nuts with a nylon collar on the top.The threads of the bolt are held in place by this collar which provides resistance such that the nut does not loosen due to vibration or torque.

Key Characteristics:

• Built-in locking mechanism
• Very high vibration resistance.
• In various grades and materials.
• Appropriate to repeat use (unlimited cycles)

Importance of Weight in Fastener Selection

One of the most important considerations in the selection of fasteners is weight, particularly when the fasteners are used on large scale industrial applications. Here’s why:

1. Accurate Material Planning

The weight will be known and this would be used to estimate the overall quantity needed in a project and minimize wastage and shortages.

2. Cost Optimization

The majority of the fasteners are sold in bulk, based on weight. Knowing the weight assists the buyers in making better budgets.

3. Structural Considerations

Even minor changes in weight can affect load distribution and the performance of the whole system in the engineering applications.

4. Logistics and Handling

Weight is significant in transportation, packaging and storage planning.

Nylock Nuts Weight & Size Chart

Nut Size (mm)	Weight per 1000 Nuts (kg)
M5	0.25
M6	0.50
M8	1.00
M10	2.00
M12	3.50
M14	5.25

Nylock Nuts Weight & Size Chart

NUT WEIGHT & SIZE
APPROX. WEIGHT IN KGS FOR 100 NOS.
SIZE	OLD SPEC IS 1363/67	NEW SPEC IS 1363/92	HEIGHT = DIA NUTS	HEX LOCK NUTS IS 1364-84	HSS NUTS IS: 6623	Castle Nuts IS 2232-67	Nylock Nuts Din 985	SIZE	HEX NUTS BSW / BSF	HEX LOCK NUTS BSW / BSF	SQUARE NUTS – BSW	ASTM A-194UNC HEAVY HEX NUTS
M2	0.011							1/8″	0.041
M3	0.033						0.050	5/32″	0.053
M4	0.067					0.112	0.100	3/16″	0.133
M5	0.111			0.080		0.230	0.140	1/4″	0.323	0.190	0.340
M6	0.232			0.120		0.316	0.240	5/16″	0.510	0.340	0.654	0.758
M7	0.294					0.396	0.300	3/8″	0.817	0.510	0.966	1.370
M8	0.482			0.300		0.735	0.510	7/16″	1.389	0.930	1.683	2.000
M10	1.020	0.909	1.282	0.670		1.580	1.060	1/2″	2.222	1.430	2.677	2.959
M12	1.590	1.389	1.942	1.090		2.000	1.720	5/8″	4.348	2.700	5.040	5.263
M14	2.400		3.049	1.680		2.700	2.600	3/4″	7.184	4.800	8.818	8.621
M16	3.081	3.333	3.906	1.800	6.040	3.890	3.400	7/8″	8.621	5.600	10.917	12.658
M18	4.448		5.814	2.690		5.750	4.500	1″	12.987	8.500	15.432	17.986
M20	6.031	6.667	7.519	3.300	11.530	7.520	6.500	1.1/8″	18.182	11.800	23.364	26.316
M22	7.143	8.929	9.091	3.890	14.280	9.300	7.500	1.1/4″	26.596	17.200	33.333	34.247
M24	10.309	12.500	12.821	5.100	19.770	13.100	10.000	1.3/8″	37.879	23.000		44.248
M27	15.432		18.657	8.150	28.230	19.200	16.200	1.1/2″	45.455	28.000		60.241
M30	21.645		26.596	10.400	36.500	26.400	21.200	1.5/8″	71.429			73.529
M33	27.174		34.483	14.300		33.330	31.700	1.3/4″	71.429	46.000		90.909
M36	37.037		43.860	17.600	28.180	44.700	41.500	2″	81.967	54.000		135.135
M39	47.619		57.471	24.000		58.400	49.900	2.1/4″	111.111			185.185
M42	57.471		73.529	27.500		71.000	62.800	2.1/2″	172.414			238.095
M45	72.464		92.593	37.000		86.000	77.100	2.3/4″	263.158			333.333
M48	92.593		113.636	42.800		106.000	99.800	3″	333.333			454.545
M52	108.696		138.889	52.000		130.000		0 BA	0.270
M56	131.579		166.667					2 BA	0.126
M60	161.290		192.308
M64	185.185		227.273
M72	250.000		312.500
M80	333.333
M90	454.545
M100	625.000

Factors That Influence Nylock Nuts Weight

The total weight of Nylock nuts depends upon several factors:

1. Material Composition

• Stainless Steel (SS304, SS316): More resistant to corrosion and heavier.
• Carbon Steel: Light weight and cost effective.
• Alloy Steel: It is strong and moderately weighted.

2. Size and Dimensions

The weight increases considerably with an increase in diameter and thickness.

3. Manufacturing Standards

Various standards, such as DIN and ISO, can be slightly different in the dimensions, which influence the weight.

4. Surface Finishing

Finishes like galvanization or zinc plating may be added to reduce weight, but increase durability.

Applications of Nylock Nuts

Nylock nuts have a large industry of application in areas that require safety and reliability:

• Automotive components
• Industrial machinery
• Construction frameworks
• Electrical equipment
• Aerospace assemblies

Their tightness during dynamic conditions renders them indispensable in.

Advantages of Nylock Nuts

1. Reliable Locking

The nylon insert provides a good grip to the bolt threads.

2. Reduced Maintenance

Stops loosening, thus tightening is not necessary.

3. Cost Efficiency

Removes the necessity of other locking mechanisms such as washers.

4. Easy Installation

Does not require any special tools to install.

Limitations to Consider

Nylock nuts are very efficient, but have the following limitations:

• Not to be used in high-temperature settings (nylon insert can be damaged)
• Poor reusability due to repeated use.
• A little more expensive than regular nuts.

Tips for Selecting the Right Nylock Nuts

In order to make sure that the performance is optimum, one would take into account the following tips:

1. Select the Appropriate Size.

The size of the nut must be matched to the bolt to fit.

2. Check Material Grade

Choose the suitable material according to the requirements of environmental conditions and loads.

3. Check on the Weight Chart.

Get bulk procurement and proper estimation with the use of the weight chart.

4. Verify Standards

Make sure that it complies with the DIN, ISO or ASTM standards regarding quality assurance.

Conclusion

The choice of the appropriate Nylock nuts is not only related to choosing the appropriate size and material. Weight is very crucial in terms of planning, costing and overall efficiency of your project. Close insight into the Nylock nuts weight chart assists engineers and purchasers to make sound choices, prevent supply shortages and streamline logistics.

By considering all the factors discussed above, you can ensure that your fastening solutions are not only secure but also cost-effective and reliable. Nylock nuts can be relied upon as the vibration-resistant fastening, whether in a small scale or a large industrial project.