1、 WORLDWIDE FASTENER STANDARD Date: 2002-11-01 Global Materials & 1 of 1 Printed copies are uncontrolled. Fastener Standards (GM&FS) WB 106 BOLT PAN HEAD - PILOTED 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
2、9.5 12 16 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 W505550 5 +/- 0.24 W505551 6 W505552 W505560 8 +/- 0.29 W505553 W505561 W505570 10 W505554 W505562 W505571 W505580 12 W505555 W505563 W505572 W50
3、5581 W505590 14 +/- 0.35 W505556 W505564 W505573 W505582 W505591 16 W505565 W505574 W505583 W505592 20 W505575 W505584 W505593 25 +/- 0.42 W505585 W505594 30 W505595 Thread: ISO 261 and 965 Pilot Lp& dp: WA 900 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 5 0 B O L T M 3 X 4 P N P I L 8 M3 Sizes Not to be used for new designs