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DIN 7991 Stainless Steel Hexagon Socket Countersunk Head Screws


DIN 7991 Stainless Steel Hexagon Socket Countersunk Head Screws
DIN 7991 Stainless Steel Hexagon Socket Countersunk Head Screws DIN 7991 Stainless Steel Hexagon Socket Countersunk Head Screws

Head Features

Hexagonal head

Rod Features

Self-tapping thread

Core Purpose

Self-tapping for fixing thin sheet materials

Advantages and Features

Easy and quick installation, suitable for materials without pre-threaded holes

Typical Uses

Used for fixing thin steel plates and plastic plates

Key Indicators for Selection

Thread length, diameter, material selection, drive type

Industry-Specific Requirements

Construction industry: commonly used for fixing gypsum boards, light steel structures, etc.

Product specification:

Mon M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24
P 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3
dk max 6 8 10 12 16 20 24 27 30 33 36 36 39
dk min 5.7 7.64 9.64 11.57 15.57 19.48 23.48 26.48 29.48 32.38 35.38 35.38 38.38
e min 2.3 2.87 3.44 4.58 5.72 6.86 9.15 11.43 11.43 13.72 13.72 16 16
k max 1.7 2.3 2.8 3.3 4.4 5.5 6.5 7 7.5 8 8.5 13.1 14
s min 2.02 2.52 3.02 4.02 5.02 6.02 8.025 10.025 10.025 12.032 12.032 14.032 14.032
s max 2.1 2.6 3.1 4.12 5.14 6.14 8.175 10.175 10.175 12.212 12.212 14.212 14.212
t max 1.2 1.8 2.3 2.5 3.5 4.4 4.6 4.8 5.3 5.5 5.9 8.8 10.3
t min 0.95 1.55 2.05 2.25 3.2 4.1 4.3 4.5 5 5.2 5.6 8.44 9.87

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About Us
Jiangsu Huajie Stainless Steel Products Co., Ltd.
Jiangsu Huajie Stainless Steel Products Co., Ltd. was founded in 2003, with a registered capital Of 18 million RMB, our factory covers an area of ​​13,000 square meters, an annual production capacity of 60,000 tons, through 20 years of development, for now, HuaJie is one of almost competitive stainless steel fastener manufacturers in China.
Our company mainly produces stainless steel fasteners, As China DIN 7991 Stainless Steel Hexagon Socket Countersunk Head Screws Manufacturers and Wholesale DIN 7991 Stainless Steel Hexagon Socket Countersunk Head Screws Company The company has domestic and foreign advanced production and testing equipment, and product standards Cover GB/JIS/DIN/ANSI/ISO standards, The material includes 201/304/316L, etc. The products are widely used in high-speed rail, nuclear power, communications, new energy, mechanical equipment, petrochemical, military equipment, aerospace, and other fields.
Certificate Of Honor
  • ISO9001:2015 Certification
  • ISO9001:2015 Certification
  • CE Certification
  • 316 ROHS Certification
  • 304 ROHS Certification
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