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Hex Flange Head Sharp Point Self-Drilling Screws

Home / Products / Hex Flange Head Screws / Hex Flange Head Sharp Point Self-Drilling Screws
  • Ningbo Zhenrui Hardware Industrial Co., Ltd.
  • Ningbo Zhenrui Hardware Industrial Co., Ltd.
  • Ningbo Zhenrui Hardware Industrial Co., Ltd.
  • Ningbo Zhenrui Hardware Industrial Co., Ltd.

Hex Flange Head Sharp Point Self-Drilling Screws

Product Introduction

Hex Flange Head Sharp Point Self-Drilling Screws are SAE C1022A steel fasteners designed with a hex flange head and self-drilling point for efficient metal fastening, stable installation, and reliable connections in construction and industrial applications.

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Core Advantages Application Scenarios OEM / ODM Services Why Choose Us FAQ Technical Parameters Inquiry Form

Core Advantages

1. High Torque Installation

The hexagonal drive of the Hex Flange Head Screw provides stable tool engagement during tightening. Depending on the size, the specified torque reaches 6.9–16.9 N·m, supporting efficient installation for demanding metal fastening applications.

2. Efficient Self-Drilling Performance

These Self-Drilling Screws feature drill point lengths of 5.50–8.50 mm and drill point widths of 4.0–5.5 mm. The integrated drilling point helps streamline installation by combining drilling and fastening into one operation for suitable metal applications.

3. Stable Flange Head Structure

The Hex Flange Head Self-Drilling Screw uses a flange head with a diameter of 12.80–15.00 mm, providing a larger bearing surface against the fastening material. The flange recess depth is 0.90–1.40 mm, supporting stable head positioning during installation.

4. Reliable Mechanical Performance

Manufactured from SAE C1022A steel, the Hex Flange Head Sharp Point Self-Drilling Screws have a surface hardness of ≥550 HV0.3, core hardness of 270–450 HV0.3, and case depth of 0.100–0.280 mm, depending on the screw size.

5. Multiple Size Options

The Hex Flange Head Self-Drilling Screw is available in 10#, 12#, and 14# sizes, with different head dimensions, thread diameters, drill point specifications, and torque values. This gives distributors and industrial buyers flexibility when sourcing Self-Drilling Screws for different fastening requirements.

Application Scenarios

Metal Roofing
Metal Panels
Steel Structures
Sheet Metal Assembly
Construction Projects
Steel Framing
Industrial Equipment
HVAC Systems
Metal-to-Metal Fastening
Wholesale Distribution

OEM / ODM Services

We manufacture Hex Flange Head Sharp Point Self-Drilling Screws in our own factory and provide OEM/ODM services for distributors, wholesalers, contractors, and industrial fastener buyers.

Available customization options include:

• Custom head height
• Custom raw material wire diameter
• Custom washer thickness

Why Choose Us

1. Integrated R&D, Production, Sales and Service

Founded in 2011, we are a comprehensive hardware enterprise integrating R&D, production, sales, and service. With in-house manufacturing and direct factory supply, we can control quality, cost, and lead time more effectively than trading companies.

2. Certified Quality Management System

We hold ISO 9001:2015 certification for our quality management system, covering the production of fasteners. This ensures consistent quality control and reliable production standards for bulk orders.

3. Wide Product Portfolio and Application Coverage

Our products cover construction hardware, furniture hardware, automotive hardware accessories, and precision mechanical parts, widely used in residential construction, commercial facilities, transportation vehicles, electronic equipment, and other industries.

FAQ

Q1: What is the MOQ for Hex Flange Head Sharp Point Self-Drilling Screws?

The standard MOQ is 100,000 pcs for bulk orders.

Q2: What payment terms do you accept?

We accept cash on delivery according to the agreed order terms.

Q3: Do you provide OEM and ODM services?

Yes. We provide OEM/ODM customization for head height, raw material wire diameter, and washer thickness.

Q4: What is the production lead time?

The standard production lead time is approximately 45 days after order confirmation.

Q5: What packaging options are available?

We can provide carton, paper box, and plastic bag packaging according to customer requirements.

Description Indented Cupped Flange Head Self-Drilling Screw, BSD thread
ITEM DK (Flange Diameter) S (Across Flats) B (Flange Flat) H (Head Height) K (Hex Height) U(min) (Flange Height) G (Flange Recess Depth) Da (Flange Recess Inner Dia.) D (Thread Outer Dia.) d (Thread Root Dia.) P(ref.) (Pitch) Dp (Drill Point Width) (ref.) LZ (Drill Point Length) Torque(N.M)
10# 12.80-13.20 7.75-7.92 10.50-10.70 4.80-5.10 2.70-3.00 2.1 0.90-1.40 9.20-9.70 4.65-4.80 3.20-3.38 1.59 4.0±0.1 5.50-7.50 6.9
12# 14.00-15.00 7.75-7.92 10.50-10.70 6.10-6.40 3.60-3.90 2.5 0.90-1.40 11.70-12.30 5.28-5.46 3.99-4.17 1.81 4.7±0.1 7.50-8.50 10.4
14# 15.00-16.00 9.32-9.52 11.90-12.10 6.60-6.90 4.10-4.40 2.5 0.90-1.40 12.50-13.00 6.07-6.25 4.45-4.68 1.81 5.5±0.1 8.50-9.50 16.9

Nominal Length Tolerance Note：
0-51：Full Thread
52-65：Thread Length = 42 ±2
66-102：Thread Length = 50 ±2
103-：Thread Length = 72 ±2
L ≤ 25 ±0.8
25 < L ≤ 50 ±1.25
50 < L ≤ 75 ±1.5
L > 75 ±2

Mechanical Properties
Item Specification
Material SAE C 1022A STEEL
Surface Hardness ≥550 HV0.3
Core Hardness 270-450 HV0.3
Case Depth 4.8- 5.5-- 0.100- 0.230 mm
6.3- 0.150- 0.280 mm
MOQ  100,000 pcs
Lead Time  45 days


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About Us
Ningbo Zhenrui Hardware Industrial Co., Ltd.

Founded in 2011, we are a comprehensive hardware enterprise integrating R&D, production, sales, and services. Since our establishment, we have adhered to the philosophy of "Innovation-driven, Customer-oriented, Integrity for Win-Win Cooperation". Focused on manufacturing, we are committed to supplying high-quality products to customers. With years of steady development, we have grown into an influential player in the industry.

Our product portfolio covers construction hardware, furniture hardware, automotive hardware accessories, and precision mechanical parts, widely used in residential construction, commercial facilities, transportation vehicles, electronic equipment, and many other industries. By introducing advanced production equipment and technologies, along with a strict quality control system, we ensure that every product meets or exceeds customer expectations.

We advocate a people-oriented corporate culture, value employees’ growth and well-being, and foster a harmonious work environment. The company has formulated basic management systems in accordance with laws. Currently, we are steadily advancing toward group-based, specialized, and international development.

Certificate Of Honor
  • Certificate of Utility Model Patent
  • Quality Management System Certificate
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