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Hex Washer Head Double Thread Knurled Self-Drilling Screw
Model: 1022A
Material: Carbon Steel (1022A)
Dimensions:
Shank/Thread: 6.3/5.5-14
Length Range: 25–300mm (Standard: 25/32/38/45/50/65/75/100/125/150/165/175/200/300)
Key Features:
Corrosion Protection: Zinc-plated, Salt Spray Resistance 500H/1000H/1500H (Class 3 & 4 per ISO 9227)
High Strength: Tensile 380-440 MPa | Yield 620-720 MPa
Knurled Drill Tail: Enhanced grip and anti-slip performance for metal substrates.
Applications:
Heavy-duty construction, metal roofing, and industrial frameworks requiring vibration-resistant fastening.
Standards: ASTM F568M, DIN 7500.
Material: Carbon Steel (1022A)
Dimensions:
Shank/Thread: 6.3/5.5-14
Length Range: 25–300mm (Standard: 25/32/38/45/50/65/75/100/125/150/165/175/200/300)
Key Features:
Corrosion Protection: Zinc-plated, Salt Spray Resistance 500H/1000H/1500H (Class 3 & 4 per ISO 9227)
High Strength: Tensile 380-440 MPa | Yield 620-720 MPa
Knurled Drill Tail: Enhanced grip and anti-slip performance for metal substrates.
Applications:
Heavy-duty construction, metal roofing, and industrial frameworks requiring vibration-resistant fastening.
Standards: ASTM F568M, DIN 7500.