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DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
Specifications
Brand Name :
YB
Model Number :
DIN 7504K
Certification :
ISO9001,IATF16949
Place of Origin :
ZheJiang,China
MOQ :
20000
Price :
ZheJiang,China
Payment Terms :
T/T
Supply Ability :
5000Tons/year
Delivery Time :
7-25DAYS
Packaging Details :
5000-10000/box
Head type :
Hex Head
Finish :
Dacromet.,as per customers' requirement,Per drawing request,Natural,zinc plated
Packing :
Bulk or Small boxes.then in carton .pallet,Bulk,box packing,Color box,pallet
Grade :
10.9,8.8,4.8,4.8/ 8.8/ 10.9/ 12.9 Ect,6.8
Sample :
Avaliable (shipping costs needed),if we have the tools available,for free in stock,free,Available free within 7days
Thread type :
Coarse thread
Description
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
High Hardness 410 Stainless Steel Self-Drilling Screws: DIN 7504K for Metal Bonding
Product Overview
DIN 7504K Stainless Steel 410 Self-Drilling Screws with Hex Washer Head
Standard: DIN7504K
The DIN 7504K self-drilling screw is a high-performance industrial fastener characterized by its hexagonal washer head and specialized drill point. Manufactured from Grade 410 stainless steel, these screws are engineered to drill their own pilot hole, tap a mating thread, and provide a secure fastening solution in a single operation. Grade 410 is a martensitic stainless steel that can be heat-treated, making it significantly harder than 304 or 316 grades, specifically for metal-to-metal applications.
Core Features
  • Exceptional Hardness: Unlike 300-series stainless steel, 410 grade can be hardened through heat treatment, allowing the screw to penetrate carbon steel sheets and harder substrates without tip burnout.
  • Time-Saving Efficiency: Integrated drill point eliminates the need for pre-drilling and hole alignment, drastically reducing installation time and labor costs.
  • Corrosion Resistance: Provides reliable protection against atmospheric corrosion, water, and mild chemicals, superior to standard carbon steel fasteners in humid environments.
  • High Torque Strength: Hexagonal head design ensures maximum torque transmission and prevents cam-out during high-speed installation with power tools.
  • Integrated Sealing: Often used with EPDM bonded washers to provide leak-proof seals, critical for outdoor and roofing applications.
Application Scenarios
  • Steel Construction & Metal Framing: Ideal for fastening metal sheets to steel purlins or sub-structures in industrial buildings.
  • Roofing & Cladding: Widely used in metal roof panels and wall cladding systems where weather resistance and structural integrity are paramount.
  • HVAC Systems: Used for securing ductwork and mounting equipment components in heating and cooling systems.
  • Automotive & Machinery: Employed in assembly lines where high-speed fastening into metal frames is required.
  • Solar Energy Systems: Mounting solar panel brackets to aluminum or steel support rails.
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
Technical Specifications
螺纹规格 ST2.9 ST3.5 (ST3.9) ST4.2 ST4.8 (ST5.5) ST6.3
P | 螺距 1.1 1.3 1.3 1.4 1.6 1.8 1.8
a | max 1.1 1.3 1.3 1.4 1.6 1.8 1.8
c | min 0.4 0.6 0.6 0.8 0.9 1 1
dc | max 6.3 8.3 8.3 8.8 10.5 11 13.5
min 5.8 7.6 7.6 8.1 9.8 10 12.2
e | min 4.28 5.96 5.96 7.59 8.71 8.71 10.95
k | max 2.8 3.4 3.4 4.1 4.3 5.4 5.9
min 2.5 3 3 3.6 3.8 4.8 5.3
kw | min 1.3 1.5 1.5 1.8 2.2 2.7 3.1
r | max 0.4 0.5 0.5 0.6 0.7 0.8 0.9
s | max 4 5.5 5.5 7 8 8 10
min 3.82 5.32 5.32 6.78 7.78 7.78 9.78
dp 2.3 2.8 3.1 3.6 4.1 4.8 5.8
Drilling range 0.7~1.9 0.7~2.25 0.7~2.4 1.75~3 1.75~4.4 1.75~5.25 2~6
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
Packaging Options
Carton Packaging
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
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.
Outer Carton Box Packaging
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
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.
Pallet Packaging
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
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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DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding

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Product Detail
Brand Name :
YB
Model Number :
DIN 7504K
Certification :
ISO9001,IATF16949
Place of Origin :
ZheJiang,China
MOQ :
20000
Price :
ZheJiang,China
Contact Supplier
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DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding
DIN 7504K High Hardness SS410 Hex Self-Drilling Screws for Metal Bonding

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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