FORD WD112-2007 TAPPING SCREW - PAN HEAD - TYPE R POINT HEXALOBULAR SOCKET《R型点内六角盘头自攻螺钉》.pdf

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1、 WORLDWIDE FASTENER STANDARDDate: 2007-09-01WD 112 TAPPING SCREW - PAN HEAD - TYPE R POINT HEXALOBULAR SOCKET CATEGORY 080.030 adarLAtdkrfkyDimensions in mm Size ST3.5 ST4.2 ST4.8 ST6.3 Pitch 1.3 1.4 1.6 1.8 a 1.3 1.4 1.6 1.8 damax 4.1 4.9 5.6 7.3 Nom = max 7.00 8.00 9.50 12.00 dkmin 6.64 7.64 9.14

2、11.57 Nom = max 2.6 3.1 3.7 4.6 k min 2.35 2.8 3.4 4.3 r min 0.1 0.2 0.2 0.25 rf6 6.5 8 10 yref2.7 3.2 3.6 5 Socket No. 15 20 25 30 Hexalobular A ref 3.35 3.95 4.5 5.6 socket max 1.40 1.80 2.03 2.42 t min 1.14 1.42 1.65 2.02 Length Tolerance FORD PART NUMBERS 9.5 W502550 13 W502551 W502560 16 W50255

3、2 W502561 W502570 19 +/- 0.8 W502553 W502562 W502571 W502580 22 W502554 W502563 W502572 W502581 25 W502555 W502564 W502573 W502582 32 W502556 W502565 W502574 W502583 38 W502566 W502575 W502584 45 W502576 W502585 50 +/- 1.3 W502586 a = distance from the underside of the head to the first major diamet

4、er of the thread within specified limits y = length of incomplete thread Symbols and designation of dimensions, except A and t are specified in ISO 225 Note: Screws in this standard meet the requirements of ISO 14585 R point. Mechanical Properties ISO 2702, Thread: ISO 1478 Tolerances Product grade A, ISO 4759-1 Finish: WX 100 Example Description: W502550 SCREW 3.5X9.5 PN TI R TAP Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC. Page 1 of 1