Web Catalogue update October 2019

06 3690 NZ. pub. 09/14 © Drilling screws may only be used where dampness is not to be expected. WING PIAS ® COUNTERSUNK HEAD The self-drilling screw with up to 50% time savings when fastening wood to metal sub-structures. • Bimetal (stainless steel A2/drilling tip made of case hardened steel). • RUSPERT ® -coated (silver). • With tapping screw thread. • Countersunk milling head for processing soft woods. • drive for optimum force transmission and care of the corrosion protection. Nominal dia. d in mm 4.8 5.5 Head dia. dk max. in mm 9.5 10.8 Drilling tip length lp in mm 9 11 Drive AW25 AW25 Drilling range (steel) in mm 2.0 - 4.0 2.0 - 5.0 Nominal dia. d Length l Max. attachment length* l B Art. No. Pack Qty. mm mm mm 4.8 38 21 0215 884 838 500 44 27 0215 884 844 5.5 55 35 0215 885 555 250 65 45 0215 885 565 90 70 0215 885 590 * Wood thickness l H and sub-structure thickness l U = max. attachment length l B Description of operation: 1. Drilling out of the wood by the wing prevents forced advancement of the screw. 2. Drilling of the core hole in the sub-structure. Breakage of the wing upon contact with the metal. 3. First few threads of the screw cut the thread, into which the screw then turns. Note: Wing pias ® have to be approximately tested for usability before each application. Use only application equipment with depth stop and claw clutch.