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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.
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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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