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Home > products > Metal Nut > M5 M8 Carbon steel Galvanized K Nut Grade8.8 Class 8.8 Customized Zinc Plating Kep nuts

M5 M8 Carbon steel Galvanized K Nut Grade8.8 Class 8.8 Customized Zinc Plating Kep nuts

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
Highlight:
Usage:
Fastening
Style:
K Nut
Size:
Various Sizes Available
Head Style:
K Nut
Strength:
High
Finish:
Plain
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、steel
Usage:
Fastening
Style:
K Nut
Size:
Various Sizes Available
Head Style:
K Nut
Strength:
High
Finish:
Plain
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、steel
M5 M8 Carbon steel Galvanized K Nut Grade8.8 Class 8.8 Customized Zinc Plating Kep nuts
M5 M8 Carbon Steel Galvanized K Nut Grade 8.8 Class 8.8 Customized Zinc Plating Kep Nuts
M5 M8  Carbon steel Galvanized K Nut Grade8.8 Class 8.8 Customized Zinc Plating Kep nuts 0
Product Specifications
Attribute Value
Usage Fastening
Style K Nut
Size Various sizes available
Strength High
Finish Plain
Material Carbon steel, steel
Standard DIN
Package Quantity 100 pieces
Product Description

K-nuts (also known as K-caps or flower tooth nuts) feature a specialized locking structure designed to prevent loosening under vibration or stress. These high-strength Grade 8.8 fasteners incorporate a movable flower tooth piece pressed into the hexagonal nut through stamping, utilizing elastic tension and anti-slip teeth for superior locking performance.

Key Features
  • K-shaped profile with two semi-circular openings for easier installation
  • Precision locking mechanism creates radial force through thread friction
  • Reduced thread wear extends bolt/screw lifespan
  • Available in galvanized zinc plating for corrosion resistance
  • Customizable sizes and finishes to meet specific requirements
Structural Advantages vs Hexagonal Nuts
Locking Performance: K-nuts provide superior vibration resistance compared to standard hex nuts
Installation: Two openings allow partial engagement/disengagement without complete removal
Applications: Ideal for high-vibration environments in automotive, aerospace, and heavy machinery
Material Specifications
Material C% Cr% Ni% Mo%
304 0.07 17.5-19.5 8.0-10.5 /
316 0.08 16.0-18.0 10.0-14.0 2.00-3.00
304L 0.03 18-20 8-12 /
316L 0.03 16-18 10-14 2-3
Packaging & Shipping

Available in small packs, cartons, or pallets. All products undergo quality inspection before shipment from Shenzhen port.

M5 M8  Carbon steel Galvanized K Nut Grade8.8 Class 8.8 Customized Zinc Plating Kep nuts 1 M5 M8  Carbon steel Galvanized K Nut Grade8.8 Class 8.8 Customized Zinc Plating Kep nuts 2 M5 M8  Carbon steel Galvanized K Nut Grade8.8 Class 8.8 Customized Zinc Plating Kep nuts 3 M5 M8  Carbon steel Galvanized K Nut Grade8.8 Class 8.8 Customized Zinc Plating Kep nuts 4