Hexagon Slotted and Castle Nuts Style 2

Hexagon slotted and castle nuts style 2 are widely used in automobile assembly, railway equipment and agricultural machinery. For example, tractor axle fixing and bridge bolt anti-loosening can be combined with pins to achieve double insurance. Xiaoguo® supports M6-M24 specification customization to meet the impact resistance requirements of heavy equipment.

Product details and parameters

The slot top design of hexagon slotted and castle nuts style 2 can lock the cotter pin and lock it securely without worrying about vibration and loosening. For example, plowshares and tractor accessories on agricultural machinery are particularly stable when fixed with this nut; large outdoor equipment such as cranes and elevators also need the assistance of hexagon slotted and castle nuts style 2 for safety.

Xiaoguo®'s hexagon slotted and castle nuts style 2 is RoHS compliant and offers environmentally friendly plating options such as chrome-free passivation.

Market Distribution

FAQ

Zinc vs stainless for hexagon slotted and castle nuts style 2?

Depends on the application.

Cost：Zinc-plated steel is cheaper for budget projects.

Corrosion resistance：Stainless steel (with chromium) outperforms in harsh environments.

Strength：Stainless steel has higher strength and durability.

Galvanic corrosion risk：Combining zinc-plated and stainless steel parts can accelerate corrosion.

Product Material

Hexagon Slotted and Castle Nuts Style 2 is mainly made of carbon steel for most general applications. The carbon steel used is typically low to medium grade, which balances machinability and basic strength. This material allows for precise slotting (the key feature of castle nuts) and threading during production, ensuring the nut fits with cotter pins properly for anti-loosening. For environments requiring corrosion resistance, such as outdoor machinery, marine equipment, or humid industrial settings, stainless steel versions (mostly 304 and 316 grades) are available. Some nuts also undergo surface treatments like zinc plating or black oxide coating to add a protective layer against rust. The surface treatment process follows basic industrial norms to ensure the coating adheres firmly, not easily peeling off during installation or use. Material selection depends on the intended use, with carbon steel being the standard choice for regular indoor or mild outdoor conditions.

Product transportation costs

The transportation cost of Hexagon Slotted and Castle Nuts Style 2 varies based on order quantity, shipping distance, transportation method, and destination type. For small orders (usually under 5 kilograms), international express services like DHL or FedEx are common. The initial weight fee for such express ranges from $13 to $26, and each additional kilogram adds about $4 to $11. For medium to large orders over 5 kilograms, sea freight or air freight is more cost-effective. Sea freight costs are calculated by volume or weight (whichever is higher), with a 20-foot container costing around $750 to $1450 for long-haul international routes. Air freight is faster but 4 to 7 times more expensive than sea freight. Domestic transportation costs are lower; road freight for 1 ton of nuts ranges from $45 to $75 for short distances. Additional costs may include customs clearance fees, insurance fees, and packaging reinforcement fees for international shipments. Larger order quantities can often secure discounted freight rates, so it’s advisable to confirm detailed costs with the supplier or logistics provider in advance.