4.8x38 Countersunk Wood to Light Section Steel Wing Tip S/D Exterior Screw Bi Metal/Silver Pack 200
Description A premium bi-metal self-drilling wing tip screw designed for fixing timber to light section steel without pre-drilling. The wings ream out the timber to prevent binding, then break away on contact with steel to allow the hardened tip to drill and the thread to tap efficiently, delivering a strong and durable fixing in exterior environments.
Key Features
Bi-metal construction with A2-304 stainless steel body and hardened carbon steel drill tip
Exterior silver organic finish for enhanced corrosion resistance
Wing tip clears timber before drilling into steel
Wings break off on contact with steel for efficient self-tapping
Self-drilling No.3 point eliminates need for pre-drilling
Designed for fixing timber to light section steel up to 4mm
Coarse self-tapping fully threaded design for strong grip
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