Bi-metal - Creative Tek

Creative Tek

Bi-metal self tapping screw

Material: 304+435 / 316+435 (Stainless Steel Hybrid) Dimensions: Ø4.8/5.5/6.3/8.0 × 22–350mm Corrosion Resistance: Salt Spray Test: 500/1000/1500/2000 hours (ISO 9227) Acid Rain Cycle: Class 3/4/5 (ASTM G85) Key Features: Bimetal structure: Combines corrosion resistance (304/316) with alloy steel (435) core strength. Self-tapping design for direct fastening into metal substrates. Ideal for coastal, chemical, and high-humidity environments. Compliance: ASTM F594, ISO 3506.

Bi-metal self drilling screw

Material: 304+435 / 316+435 (Stainless Steel + Alloy Steel Core) Dimensions: Ø4.8/5.5/6.3/8.0 × 22–350mm Corrosion Resistance: Salt Spray Test: 500H/1000H/1500H/2000H Acid Rain Cycle: Class 3/4/5 (ISO 9227 & ASTM G85) Key Features: Dual-metal design for corrosion resistance + high shear strength (≥800MPa). Self-drilling tip eliminates pre-drilling in steel/metal substrates. Custom head types (hex/washer) and coatings (gecko/phosphating) available. Applications: Metal roofing, solar racking, and offshore equipment in corrosive environments.

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