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Self Drilling Screw

High-Strength Zinc Coated Self-Drilling Screws with EPDM Washer for Metal-to-Metal

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Plastic Bolt

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High-Strength Zinc Coated Self-Drilling Screws with EPDM Washer for Metal-to-Metal

Brand Name:	YB
Model Number:	DIN7504K
MOQ:	20000
Price:	Negontiation
Packaging Details:	5000-10000/box
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

ZheJiang,China

Certification:

ISO9001,IATF16949

Standard:

DIN7504K

Size:

M4*8,M2 M3 M4 M5 M6 M8 M9 M10,according To The Client's Demand,M3.5*25,M1-M24

Color:

Zinc Plated,Silvery Or Black,Natural,red Blue Black Orange Green Yellow Silver Gold Purple Pink,Sliver

Grade:

4.8,B8,5.6,10.9,8.8

Length:

13--152mm,4mm 6mm 8mm 10mm 12mm 14mm 20mm 30mm 40mm,3mm-60mm,10-50mm,16mm-120mm

Sample:

Available,5-8 PCS Samples FREE,free,Avaliable (shipping Costs Needed)

Package:

PE Bag /carton Box Or Customized,Cartons&pallets Or According To Customer's Requirement.,Carbon Box+plastic Bags

Supply Ability:

5000Tons/year

Highlight:

zinc coated self drilling screws

self drilling screws with EPDM washer

metal-to-metal self drilling screws

Product Description

High-Strength Zinc Coated Self-Drilling Screws with EPDM Washer

DIN 7504K self-drilling screws are high-performance industrial fasteners featuring hexagonal washer heads and specialized drill points. Manufactured from Grade 410 stainless steel, these screws drill their own pilot holes, tap mating threads, and provide secure fastening in a single operation. Grade 410 martensitic stainless steel is heat-treatable, making it significantly harder than 304 or 316 grades, specifically designed for metal-to-metal applications.

Core Features

Exceptional Hardness: Heat-treated 410 grade stainless steel penetrates carbon steel sheets and harder substrates without tip burnout
Time-Saving Efficiency: Integrated drill point eliminates pre-drilling and hole alignment, reducing installation time and labor costs
Corrosion Resistance: Reliable protection against atmospheric corrosion, water, and mild chemicals in humid environments
High Torque Strength: Hexagonal head design ensures maximum torque transmission and prevents cam-out during power tool installation
Integrated Sealing: EPDM bonded washers provide leak-proof seals for outdoor and roofing applications

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

Application Scenarios

Steel Construction & Metal Framing: Fastening metal sheets to steel purlins or sub-structures in industrial buildings
Roofing & Cladding: Installation of metal roof panels and wall cladding systems requiring weather resistance and structural integrity
HVAC Systems: Securing ductwork and mounting equipment components in heating and cooling systems
Automotive & Machinery: Assembly line applications requiring high-speed fastening into metal frames
Solar Energy Systems: Mounting solar panel brackets to aluminum or steel support rails

Packaging Options

Carton Packaging

Bolts are packed in neutral packaging boxes with standard quantities arranged in small cartons. Exact unit quantities per carton are confirmed with customers to align with specific requirements. Customized packaging configurations available upon request.

Outer Carton Box Packaging

Small cartons are consolidated into larger master cartons for secure transportation and storage. Quantity per master carton can be customized based on client specifications or standard logistical requirements.

Pallet Packaging

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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Products Details

Home > Products >

Self Drilling Screw

High-Strength Zinc Coated Self-Drilling Screws with EPDM Washer for Metal-to-Metal

All Category

Pan Head Screw

Bugle Head Screw

Self Tapping Screw

Self Drilling Screw

Stainless Steel Screw

Screw Kit

Concrete Anchor Bolt

Hex Head Bolt

Allen Head Bolt

Machine Bolt

Expansion Anchor Bolt

Hex Head Nut

Spring Lock Washer

Waterproof Cable Gland

CNC Machining Parts

Plastic Bolt

High-Strength Zinc Coated Self-Drilling Screws with EPDM Washer for Metal-to-Metal

Brand Name:	YB
Model Number:	DIN7504K
MOQ:	20000
Price:	Negontiation
Packaging Details:	5000-10000/box
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

ZheJiang,China

Brand Name:

Certification:

ISO9001,IATF16949

Model Number:

DIN7504K

Standard:

DIN7504K

Size:

M4*8,M2 M3 M4 M5 M6 M8 M9 M10,according To The Client's Demand,M3.5*25,M1-M24

Color:

Zinc Plated,Silvery Or Black,Natural,red Blue Black Orange Green Yellow Silver Gold Purple Pink,Sliver

Grade:

4.8,B8,5.6,10.9,8.8

Length:

13--152mm,4mm 6mm 8mm 10mm 12mm 14mm 20mm 30mm 40mm,3mm-60mm,10-50mm,16mm-120mm

Sample:

Available,5-8 PCS Samples FREE,free,Avaliable (shipping Costs Needed)

Package:

PE Bag /carton Box Or Customized,Cartons&pallets Or According To Customer's Requirement.,Carbon Box+plastic Bags

Minimum Order Quantity:

20000

Price:

Negontiation

Packaging Details:

5000-10000/box

Delivery Time:

7-25DAYS

Payment Terms:

T/T

Supply Ability:

5000Tons/year

Highlight:

zinc coated self drilling screws

self drilling screws with EPDM washer

metal-to-metal self drilling screws

Product Description

High-Strength Zinc Coated Self-Drilling Screws with EPDM Washer

Core Features

Exceptional Hardness: Heat-treated 410 grade stainless steel penetrates carbon steel sheets and harder substrates without tip burnout
Time-Saving Efficiency: Integrated drill point eliminates pre-drilling and hole alignment, reducing installation time and labor costs
Corrosion Resistance: Reliable protection against atmospheric corrosion, water, and mild chemicals in humid environments
High Torque Strength: Hexagonal head design ensures maximum torque transmission and prevents cam-out during power tool installation
Integrated Sealing: EPDM bonded washers provide leak-proof seals for outdoor and roofing applications

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

Application Scenarios

Steel Construction & Metal Framing: Fastening metal sheets to steel purlins or sub-structures in industrial buildings
Roofing & Cladding: Installation of metal roof panels and wall cladding systems requiring weather resistance and structural integrity
HVAC Systems: Securing ductwork and mounting equipment components in heating and cooling systems
Automotive & Machinery: Assembly line applications requiring high-speed fastening into metal frames
Solar Energy Systems: Mounting solar panel brackets to aluminum or steel support rails

Packaging Options

Carton Packaging

Outer Carton Box Packaging

Pallet Packaging

Tags: