1、 WORLDWIDE FASTENER STANDARD Date: 2002-11-01 Global Materials & 1 of 1 Printed copies are uncontrolled. Fastener Standards (GM&FS) WB 103 BOLT PAN HEAD 6 LOBE DRIVE PC 8.8 - THREAD CLASS 6g CATEGORY 020.030 Dimensions in mm Nominal Size M3 M4 M5 M6 M8 Pitch 0.5 0.7 0.8 1 1.25 dkmax 5.6 8 9.5 12 16
2、min 5.3 7.64 9.14 11.57 15.57 k max 2.4 3.1 3.7 4.6 6 min 2.26 2.92 3.52 4.3 5.7 Driver Size T10 T20 T25 T30 T40 L Tolerance FORD PART NUMBERS 4 W505500 5 +/- 0.24 W505501 6 W505502 W505510 8 +/- 0.29 W505503 W505511 W505520 10 W505504 W505512 W505521 W505530 12 W505505 W505513 W505522 W505531 W5055
3、40 14 +/- 0.35 W505506 W505514 W505523 W505532 W505541 16 W505515 W505524 W505533 W505542 20 W505525 W505534 W505543 25 +/- 0.42 W505535 W505544 30 W505545 Thread: ISO 261 and 965 Material & Performance: WA 950 - Property Class 8.8 General Specifications: WB 900 (See Appendix D for recess requirements) Finish: WX 100 Example Description: W 5 0 5 5 0 0 BOLT M4X6 PN TI 8 M3 Sizes Not to be used for new designs
