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Slotted Round Lock Nut

The core feature of the China supplier Xiaoguo® Slotted round lock nut is its reliable anti-loosening performance. The locking principle is mechanical, and it can provide physical obstruction when combined with a split pin. Slotted round lock nut is in stock and ready to ship. Therefore, if you require excellent anti-loosening performance, I highly recommend that you choose our product.

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Product Description

How to choose the appropriate material

The material of the slotted round lock nut is diverse. Different materials have different functions in corresponding scenarios. So you should make your choice based on your needs.

（1）The primary consideration for the usage environment: ordinary indoor, outdoor, corrosive outdoor, or marine environment. The environment will directly influence the choice of materials.

For instance, in outdoor settings, stainless steel (especially type 316) is recommended.

（2）Match performance requirements: Choose based on the load and vibration conditions the equipment is subjected to. For normal loads, carbon steel can be selected; for high loads/high vibration, alloy steel is required.

（3）Meet special requirements: For instance, electronic devices need conductivity, so brass can be chosen; for aerospace applications that require lightweight materials, aluminum alloys or titanium alloys can be selected.

（4）Balancing costs: Carbon steel is the most economical, stainless steel is medium-priced, and special alloys are the most expensive. Make the choice that offers the best value for money based on the overall budget and importance.

Slotted Round Lock Nut

The characteristics of various materials

We will identify the most essential and prominent features of the various materials of the slotted round lock nut, enabling you to make comparisons and selections.

Material	Strength	Corrosion Resistance	Weight	Cost	Special Advantages
Carbon steel	High	Poor (requires coating)	Heavy	Low	Cheap General-purpose
Alloy steel	High	Poor (requires coating)	Heavy	Moderate	Resistant to impact and fatigue
Stainless steel	Medium	Excellent	Weight	Medium-high	Does not rust, hygienic
Brass	Low	Good	Heavy	Middle	Conductive Explosion-proof
Aluminum alloy	Medium-low	Good	Light	Medium	Light weighting
Titanium alloy	High	Excellent	Medium	Very high	Light + Strong + Corrosion-resistant
Plastic	very low	excellent	very light	low	insulating and self-lubricating

Slotted Round Lock Nut

Mon	M3.5	M4	M5	M6	M8	M10	M12	M14	M16	M18	M20
P	0.6	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5
dk max	7	8	9	11	14	18	21	24	26	29	32
dk min	6.64	7.64	8.64	10.57	13.57	17.57	20.48	23.48	25.48	28.48	31.38
k max	3	3.5	4.2	5	6.5	8	10	11	12	13	14
k min	2.75	3.2	3.9	4.7	6.14	7.64	9.64	10.57	11.57	12.57	13.57
n min	1.46	1.46	2.06	2.56	3.06	3.57	4.07	4.07	4.07	4.07	5.07
n max	1.71	1.71	2.31	2.81	3.31	3.87	4.37	4.37	4.37	4.37	5.37
t min	1	1.2	15	2	2.5	3.2	3.8	3.8	3.8	4.8	4.8
t max	1.40	1.60	1.90	2.4	3	3.7	4.3	4.3	4.3	5.5	5.5

Applications corresponding to different materials

We have compiled the main application industries and characteristics of slotted round lock nut of different materials for you.

(1) Carbon steel: General machinery, ships, railways, construction machinery, heavy machinery

Features: Cost-effective, capable of meeting the strength requirements of most conventional industries.

(2) Alloy steel: Rail transportation (high-speed rail), wind power, aerospace, automobiles, heavy machinery

Features: High strength, shock resistance, fatigue resistance, capable of withstanding extreme dynamic loads

(3) Stainless steel: Food/pharmaceuticals, chemicals, marine engineering, environmental protection, precision instruments

Features: Excellent rust and corrosion resistance, ensuring hygiene and durability

(4) Brass: Electrical, electronic, communication, explosion-proof, instrument and metering equipment; conductive, heat conductive

Features: No sparks during operation

(5) Aluminum alloy: Aerospace, racing cars, precision instruments, automation equipment

Features: Lightweight, the preferred choice for achieving lightweight in equipment

(6) Titanium alloy: High-end racing cars, deep-sea probes, chemical processing equipment, medical devices; extremely high strength and very light, with top-level corrosion resistance

(7) Plastic/Nylon: Electronics, electrical appliances, consumer goods, food processing, experimental equipment

Features: Insulating, non-corrosive, non-magnetic, and will not scratch the installation surface

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