1、 WORLDWIDE FASTENER STANDARD WD 312 2015 03 06 Printed copies are uncontrolled. Copyright 2012, Ford Global Technologies, LLC 1 of 1 Revision Added Remform II HS; deleted OBSOLETE 03 06 2015 THREAD FORMING SCREWS FOR PLASTIC THROUGH HARDENED REMFORM II “HS” AND DELTA PTHEXAGON COLLAR HEAD CATEGORY 0
2、70.025 Screw size (nominal Dia.), mm 3.0 4.0 5.0 6.0 8.0 Across Flats, s nom 5.0 5.5 7.0 8.0 10.0 Across Corners, e min 5.4 5.96 7.59 8.71 10.95 Collar Dia., dkmax 6.50 9.0 11.0 13.5 18.0 min 5.92 8.42 10.3 12.8 17.3 Head Height, k max 2.92 3.62 4.65 5.35 7.15 min 2.68 3.38 4.35 5.05 6.85 Collar Thi
3、ckness, h +/- 0.1 0.7 0.9 0.9 1.1 1.3 L Tolerance FORD PART NUMBERS 6 +/- 0.38 W506800 8 +/- 0.45 W506801 W506820 10 W506802 W506821 W506840 12 +/- 0.55 W506803 W506822 W506841 W506852 14 W506804 W506823 W506842 W506853 16 W506805 W506824 W506843 W506854 W506860 20 +/- 0.65 W506806 W506825 W506844 W
4、506855 W506861 25 W506807 W506826 W506845 W506856 W506862 30 W506808 W506827 W506846 W506857 W506863 35 +/- 0.8 W506828 W506847 W506858 W506864 40 W506848 W506859 W506865 45 W506866 50 W506867 General Specification WD900 Material and Performance WD954 Finish WX100 Example Description: W506800 S300 SCREW 3X6 HC TFP TH h k L d k s e REMFORM II “HS“ THREAD THREAD SPECIFICATIONS CAN BE FOUND IN WD954 OPTIONAL DELTA PT THREAD
