Shaanxi Flourish Industrial Co., Ltd.
                                                                                                           
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China DIN 7991 Stainless Steel Hex Socket Countersunk Head Screws | A2/A4 Grade Machine Bolts | Flat Head Allen Drive Fasteners for sale
China DIN 7991 Stainless Steel Hex Socket Countersunk Head Screws | A2/A4 Grade Machine Bolts | Flat Head Allen Drive Fasteners for sale
China DIN 7991 Stainless Steel Hex Socket Countersunk Head Screws | A2/A4 Grade Machine Bolts | Flat Head Allen Drive Fasteners for sale

DIN 7991 Stainless Steel Hex Socket Countersunk Head Screws | A2/A4 Grade Machine Bolts | Flat Head Allen Drive Fasteners

Price Negotiable
Price: USD0.01-1/PC
MOQ: 1000 pieces
Delivery Time: 8-20days
Brand: FLRS or　OEM
Product Description

DIN 7991 Stainless Steel Hex Socket Countersunk Head Screws | A2/A4 Grade Machine Bolts | Flat Head Allen Drive Fasteners


  • Product Description
Attribute Specification
Product Name DIN 7991 Stainless Steel Hex Socket Countersunk Head Screw
Standard DIN 7991 / ISO 10642
Material A2/A4 Stainless Steel (304/316 Optional)
Drive Type Hex Socket (Allen)
Head Style Flat Countersunk (82° / 90° Angle)
Thread Type Metric Coarse/Fine
Surface Finish Yellow, blue, white zinc plated, Galvanized,HDG,Chromate,Dacromet
Temperature Range -60°C to +260°C
Certification ISO
Used Building Industry Machinery
Available Packing Plastic bags+Chipboard Cartons+Plywood pallet with Belt and Film
  • Key Features 

✓ Corrosion-resistant - A2/A4 grade stainless steel for harsh environments
✓ Flush mounting - Countersunk head sits perfectly flush with surfaces
✓ Secure fastening - Hex socket drive prevents cam-out during torque application
✓ Interchangeable - Complies with DIN/ISO standards for universal compatibility
✓ Durable - Cold-forged for superior tensile strength

  • Typical Applications
AMachinery - Precision equipment assembly where flush surfaces are critical
• Marine/Outdoor - Corrosion-resistant fastening for marine hardware & structures
• Automotive - Engine components and body panel attachments
• Architecture - Decorative fixtures requiring invisible fasteners
• Electronics - Securing chassis/covers without protruding hardware

  • Our services

1. Good after-sales service. Any small problem happening will be solved at the most prompt time;
2. Many years of export experience ;
3. Specifications list is available upon your request ;
4. Welcome to sending inquiry, we will reply soon ;
5. Prompt shipment with professional documents ;
6. Custom packing, with photo before shipment;
7. High quality and competitive price;

8. Patience and prompt feedback;





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Company Shaanxi Flourish Industrial Co., Ltd.
Location No.3939 Eurasian Ave., Chanba Ecological District, Xi'an, China
Contact Person Fiona Hou

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