5.5x65 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 fastening timber to light section steel up to 5mm thick without pre-drilling. The wings ream out the timber to prevent binding and snap off upon contact with the steel, allowing the drill point to penetrate and the thread to tap into the metal. The A2 stainless steel body combined with a hardened carbon steel drill tip provides exceptional strength and long-term corrosion resistance for external applications.
Key Features
Bi-metal construction with A2 stainless steel body for superior corrosion resistance
Hardened carbon steel drill tip ensures fast and efficient drilling into steel
Wing tip design reams timber prior to drilling into metal
Wings break off on contact with steel to allow self-tapping
Self-drilling No.3 point eliminates the need for pre-drilling
Designed for timber to light section steel up to 5mm
Fully threaded coarse self-tapping design provides strong holding power
Size: 5.5 x 65mm
Drive/Head type: Hex
Maximum drilling thickness: 5.0mm
Effective thread length: 41mm
Material: bi-metal (A2 stainless steel with carbon steel drill tip)
Finish: exterior silver organic
Pack quantity: 200 screws
Part No: BMLW65
Applications
Timber to steel fixing in external environments
Outdoor construction, cladding and roofing applications
Structural timber connections to light gauge steel
High corrosion environments requiring durable fixings
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