Wurth katalog proizvoda

MWF - 04/12 - 14840 - © GEFU ® THREAD-FORMING SCREWS WITH TAPTITE 2000 ® THREAD Thread-forming screws as per DIN 7500-1 with TAPTITE ® 2000 thread • Countersunk screws with Phillips head, shape Z (dimensions as per DIN EN ISO 7046) • Case hardened steel (-O-) • Surface: Galvanized, blue passivated (A2K) with anti-friction coating Thread-forming screws shape their nut thread in closed blind holes, eyelets, drilled/ laser cut/stamped sheet-metal parts by themselves. In contrast to thread cutting, the material structure in the counter thread is not interrupted with thread forming, but rather is displaced and cold-worked. Ductile materials, such as steel (up to approx. 500 N/mm²), die-cast zinc, aluminum, copper, copper alloys etc. are suitable for this chip-less direct screw connection. Recommendation: Suitability of the GEFU ® in the application/ component at hand must be determined through preliminary testing! Advantages: • Eliminates thread cutting ˈ saves money • Thread formed without creating chips • TRILOBULAR shape of the screw combined with the radius prole of the thread ank ˈ low forming torques and large ank coverage of the thread ˈ high clamping force • Large ank coverage of the thread ˈ high load-bearing capacity • Cold-worked counter thread (nut thread) ˈ greater load-bearing capacity • Play-free and self-locking seating of the thread ˈ reduces tendency to loosen ˈ prevents loss • Formed thread corresponds to standard metric thread. The GEFU ® can also be replaced with a metric screw if necessary. Nom. dia. M 4 M 5 M 6 Head dia. d k in mm 8.4 9.3 11.3 Head height k in mm 2.7 2.7 3.3 Drive Z2 Z2 Z3 Nominal dia. Length l in mm Art. No. P. Qty. M4 8 020976408 200/2,000 10 020976410 12 020976412 16 020976416 200/1,000 20 020976420 M5 10 020976510 200/2,000 12 020976512 16 020976516 200/1,000 20 020976520 25 020976525 M6 10 020976610 200/2,000 12 020976612 16 020976616 200/1,000 20 020976620 25 020976625 30 020976630 35 020976635 100/1,000 40 020976640 100/500 TAPTITE ® 2000 thread TRILOBULAR core diameter OK-00437