Manufactured to JISB1125 (1995) and independently tested to IFI specification ASTMC1002-89 with a 25 Super Sharp point and a 60 thread. Plated in either zinc or black phosphate to withstand 50 hours salt spray test. Fully threaded up to 50mm and partially threaded thereafter. Made from C10-18 Steel and surface hardened up to 750 HV to prevent torque shearing under load.
ManoManoGeneral description The TIMCO Drywall Reduced Countersunk Black Dense Board Screws are specifically designed for attaching dense board to timber stud work. Their super sharp point and high-low thread ensure excellent fixing into timber. Technical specifications Dimensions: 3.9 x 45 mm
Power Tools DirectDesigned For Attaching Dense Board To Timber Stud Work. The Super Sharp Point And High Low Thread Is Specially Designed For An Excellent Fixing Into Timber.PTDTIM00045DRYD
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