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High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut
High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut
High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut
High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut
High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut
High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut
High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut
High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut
Specifications
Brand Name :
YB
Model Number :
GB/T 802.3
Certification :
IATF16949
Place of Origin :
ZheJiang,China
MOQ :
10000
Price :
Negontiation
Payment Terms :
T/T
Supply Ability :
500Tons/month
Delivery Time :
7-25Days
Packaging Details :
5000-10000/box
Material :
Carbon Steel/Stainless Steel
Standard :
GB/T 802.3
Finish :
Zinc Plated/White Washing
Grade :
A2-70
Head Type :
Hex
Size :
M5-M24
Description

High Precision GB/T 802.3 Hex Flange Cap Nut - Carbon Steel Zinc Plated


Product Description

Standard:GB/T 802.3


The hex flange cap nut (also known as hexagonal flange cap nut) is a high-performance fastener integrating the functions of a hex nut, a flange washer, and a protective cap. Designed for industrial assembly and mechanical fastening, it features a hexagonal head for easy torque application, a integrated flange face (with serrations in most cases), and a closed cap-style top—combining reliability, anti-loosening performance, and corrosion protection in one component.


Core Structural & Functional Features

  1. Hexagonal Head Design: The standard hexagonal shape enables compatibility with common tools (wrenches, sockets), ensuring efficient installation and disassembly even in confined spaces.
  2. Integrated Flange Face: The built-in flange (a circular washer-like structure) eliminates the need for additional washers, increasing the contact area with the workpiece. Serrated flanges enhance anti-loosening performance by preventing rotation under vibration, making it ideal for dynamic load scenarios.
  3. Closed Cap Style: The closed top seals the internal thread, protecting it from dust, moisture, debris, and corrosion—extending the fastener’s service life and maintaining connection integrity in harsh environments.


Application Scenarios:

Widely used in machinery manufacturing, automotive industry, electronic equipment, construction machinery, furniture assembly, and marine hardware. It is particularly suitable for scenarios requiring stable fastening, corrosion resistance, and thread protection—such as outdoor equipment, automotive components, and precision instruments.

Technical Specifications

d
M5
M6
M8
M10
M12
M16
M20
M24
P
coarse thread
0.8
1
1.25
1.5
1.75
2
2.5
3
fine thread
/
/
1
1
1.5
1.5
2
2
fine thread
/
/
/
1.25
1.25
/
1.5
/
dk
MAX
7.5
9.5
12.5
15
17
23
28
34
dc
MAX
11.8
14.2
17.9
21.8
26
34.5
42.8
46
e
MIN
8.79
11.05
14.38
17.77
20.03
26.75
32.95
39.55
h
MAX
9
11
14
18
22
30
32
36
MIN
8.64
10.57
13.57
17.57
21.48
29.48
31
35
m
MAX
5
6
8
10
12
16
20
24
MIN
4.7
5.7
7.64
9.64
11.57
15.3
18.7
22.7
SR
≈
3.75
4.75
6.25
7.5
8.5
11.5
14
17
s
MAX
8
10
13
16
18
24
30
36
MIN
7.78
9.78
12.73
15.73
17.73
23.67
29.16
35
t
≈
0.5
0.8
0.8
0.8
1
1
1.2
1.2

High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut

Packaging

High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut
Carton Packaging Outer Cartonbox Packaging Pallet Packaging
Bolts are packed in neutral packaging boxes, with standard quantities arranged in small cartons. The exact number of units per carton will be confirmed with the customer to align with their specific requirements. Customized packaging configurations are available upon request. The small cartons are then consolidated into larger master cartons for secure transportation and storage. The quantity per master carton can be customized based on client specifications or aligned with standard logistical requirements. The palletized units are securely wrapped with waterproof film and reinforced with packaging straps. Customer-specific shipping marks or labels are affixed to each pallet, ensuring clear identification and compliance with logistics requirements. This final packaging stage guarantees weather-resistant protection and stability during transportation.


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High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut

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Product Detail
Brand Name :
YB
Model Number :
GB/T 802.3
Certification :
IATF16949
Place of Origin :
ZheJiang,China
MOQ :
10000
Price :
Negontiation
Contact Supplier
High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut
High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut
High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut
High Precision Stainless Steel GB/T 802.3 Hex Flange Cap Nut

NINGBO YONGBIAO FASTENER CO.,LTD

Verified Supplier
2 Years
zhejiang, ningbo
Since 2012
Business Type :
Manufacturer, Exporter, Trading Company
Main Products :
Pan Head Screw, Bugle Head Screw, Self Tapping Screw
Total Annual :
5000000-6000000
Employee Number :
45~53
Certification Level :
Verified Supplier
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