See all: Screws and Fasteners > Woodscrews - twin thread > Bright Zinc Plated
See all: TIMCO > TIMCO Screws and Fasteners > TIMCO Woodscrews - twin thread
TIMCO - Twin thread woodscrews - countersunk, imperial sizes, bright zinc
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Traditional twin-thread woodscrew with single lead start for a fast installation.
A particular favourite when used in soft timber applications, also often preferred for masonry with a plastic plug.
NOTE: Lengths from 1 1/4" (30mm) are partially threaded.
• Double countersunk head reduces the likelihood of head shear and assists completion of countersinking
• Partially threaded from 1 1/4” and above
• Made from C10-18 steel to ensure consistent quality
• 60° twin-threads with parallel shank for faster insertion and greater pull-out resistance
• Surface hardened up to 750 HV to prevent torque shearing under load and a core hardness of up to 450 HV for improved ductility
• 25° sharp point and single lead for a fast start and improved thread acceptance
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