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M4 M16 Carbon steel Black finishing Dome Cap Nut Class 4.8 Grade 8.8 acron nuts

Name: M4 M16 Carbon steel Black finishing Dome Cap Nut Class 4.8 Grade 8.8 acron nuts
Brand: Hunan Jia Shan Hardware Tech Co., Ltd.
SKU: DIN, ASEM, ISO
Price: 0.20 USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: JIA SHAN

Certification: ISO

Model Number: DIN, ASEM, ISO

Payment & Shipping Terms

Minimum Order Quantity: 100

Price: USD0.2/pcs-USD1/pcs

Delivery Time: 1-5 weekds

Payment Terms: T/T, Western Union

Supply Ability: Batch order abailable

Get Best Price

Product Details

Product Description

Highlight:

Usage:	Fastening	Style:	Dome Cap Nut
Size:	Various Sizes Available	Head Style:	Dome Cap Nut
Strength:	High	Finish:	Black
Manufacturer:	JIA SHAN Hardward Company	Length:	As Customisation
Package:	Small Packing+Carton Packing+Pallet	Standard:	DIN
Package Quantity:	100 Pieces	Shape:	Self Tapping Screws
Measurement System:	INCH, Metric	Port:	Shenzhen
Quality:	Inspection Before Shipment	Color:	As Customisation
Material:	Carbon Steel

Usage:	Fastening
Style:	Dome Cap Nut
Size:	Various Sizes Available
Head Style:	Dome Cap Nut
Strength:	High
Finish:	Black
Manufacturer:	JIA SHAN Hardward Company
Length:	As Customisation
Package:	Small Packing+Carton Packing+Pallet
Standard:	DIN
Package Quantity:	100 Pieces
Shape:	Self Tapping Screws
Measurement System:	INCH, Metric
Port:	Shenzhen
Quality:	Inspection Before Shipment
Color:	As Customisation
Material:	Carbon Steel

M4 M16 Carbon steel Black finishing Dome Cap Nut Class 4.8 Grade 8.8 acron nuts

M4 M16 Carbon Steel Black Finishing Dome Cap Nut Class 4.8 Grade 8.8 Acron Nuts

Product Specifications

Attribute	Value
Usage	Fastening
Style	Dome Cap Nut
Size	Various sizes available
Head Style	Dome Cap Nut
Strength	High
Finish	Black
Manufacturer	JIA SHAN Hardward Company
Length	Customizable
Package	Small Packing+Carton Packing+Pallet
Standard	DIN
Package Quantity	100 pieces
Shape	Self Tapping Screws
Measurement System	INCH, Metric
Port	Shenzhen
Quality	Inspection before shipment
Color	Customizable
Material	Carbon steel

Product Overview

Cap nuts are used similarly to hexagonal nuts but feature a design that prevents the main nut from sliding easily. They require specialized tools for tightening, including live spanners, dull spanners, dual-purpose spanners (open part), or special square-hole socket spanners.

These nuts are primarily used for:

Rough and simple mechanical parts
Automotive applications (tires, front/rear axles of cars, tricycles, electric vehicles)
Road light frame bases
Equipment exposed to sunlight and rain

Nut Types & Applications

Hexagonal Nuts

Primarily used with bolts and screws for fastener connections. Classified by nominal thickness into Type I, Type II, and thin varieties. Type I nuts (for grades above 8) are further divided into A, B, and C levels:

A/B level: For machines/structures requiring smooth surfaces and high precision
C level: For rougher surfaces and lower precision requirements
Type II: Thicker design, ideal for frequent assembly/disassembly

Square Nuts

Also known as welded nuts, these are melted at high temperatures and welded between products for secure fastening. Benefits include:

Exceptional fastening security
Resistance to loosening
Wide applications in construction, transportation, and building materials

Material Properties

Carbon steel offers several key performance characteristics:

High strength: Withstands significant external forces and pressures
Durable: Maintains structural integrity under stress
Cost-effective: Provides excellent performance at competitive pricing

Carbon Steel Classification

Classification Method	Types
By Use	Carbon structural steel, Carbon tool steel, Free-cutting structural steel
By Smelting Method	Flat furnace steel, Converter steel
By Deoxidation	Boiling steel (F), Sedentary steel (Z), Semi-sedentary steel (b), Special sedentary steel (TZ)
By Carbon Content	Low carbon steel (≤0.25%), Medium carbon steel (0.25%-0.6%), High carbon steel (≥0.6%)
By Quality	Ordinary carbon steel, High-quality carbon steel, Premium steel

Strength Grade Compatibility

Bolt and nut strength levels typically match (e.g., 8.8 bolt with 8 nut). However, when nuts are harder to replace than bolts, using a slightly lower nut grade (e.g., 4.8 bolt with 5 nut) offers advantages:

Extended fastener system lifespan
Easier maintenance and replacement
Improved safety through controlled failure points
Cost-effective maintenance solutions

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