1、 WORLDWIDE FASTENER STANDARDDate: 2007-09-01WD 132 TAPPING SCREW - PAN COLLAR HEAD - TYPE R POINT HEXALOBULAR SOCKET CATEGORY 080.035 Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC. Page 1 of 1 ydardkAtkhbLrfaDimensions in mm Size ST3.5 ST4.2 ST4.8 ST6.3 Pitch 1.3 1.4
2、1.6 1.8 a 1.3 1.4 1.6 1.8 damax 4.1 4.9 5.6 7.3 Nom = max 9.0 10.0 11.5 14.5 dkmin 8.0 9.42 10.8 13.8 b ref 7.0 8.0 9.0 12.0 Nom = max 2.6 3.05 3.55 4.55 k min 2.35 2.75 3.25 4.25 h min/max 0.7/0.9 0.9/1.1 1.05/1.35 1.4/1.8 r min 0.1 0.2 0.2 0.25 rfref 3.8 4.3 4.8 6.6 yref2.7 3.2 3.6 5 Socket No. 15
3、 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 W502650 13 W502651 W502660 16 W502652 W502661 W502670 19 +/- 0.8 W502653 W502662 W502671 W502680 22 W502654 W502663 W502672 W502681 25 W502655 W502664 W502673
4、 W502682 32 W502656 W502665 W502674 W502683 38 +/- 1.3 W502666 W502675 W502684 45 W502676 W502685 50 W502686 a = distance from the underside of the head to the first major diameter 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 are based on ISO 14585 R point with a Pan-Collar head Mechanical Properties ISO 2702, Thread: ISO 1478 Tolerances Product grade A, ISO 4759-1 Finish: WX 100 Example Description: W502650 SCREW 3.5X9.5 PC TI R TAP
