1、 WORLDWIDE FASTENER STANDARD WB 108 2016-09-09 Printed copies are uncontrolled Copyright 2016, Ford Global Technologies, LLC. Page 1 of 1 BOLT-PAN HEAD FULLY THREADED SHORT NP PILOT ENHANCED 6 LOBE DRIVE PC 8.8 - THREAD CLASS 6g CATEGORY 020.030 Dimensions in mm Size M5 M6 M8 Pitch (P) 0.8 1 1.25 dk
2、 max 11.10 13.10 17.00 k max 4.30 5.10 6.25 min 4.00 4.80 5.85 dw min 9.30 11.10 15.00 rf min 7.00 7.50 9.50 f min 1.4 1.4 2.4 df max 5.5 7.3 8.7 Lp1 max 4.3 5.15 6.7 Lp2 max 2.7 3.15 4.2 min 2.2 2.65 3.7 dp max 4.12 4.9 6.62 min 3.97 4.77 6.49 Drive Size 25 IP 30 IP 40 IP L Tolerance FORD PART NUMB
3、ERS 8 +/- 0.29 W505470 10 W505471 W505480 12 +/- 0.35 W505472 W505481 W505490 14 W505473 W505482 W505491 16 W505474 W505483 W505492 20 +/- 0.42 W505475 W505484 W505493 25 W505476 W505485 W505494 30 W505486 W505495 35 +/- 0.5 W505496 40 W505497 Notes: 1) Lft is the minimum distance to the first fully formed thread, which is equal to LMIN-(Lp1MAX-Lp2MIN) Thread: ISO 261 and 965 Material & Performance: WA 950 - PC 8.8 General Specifications: WB 910 (See WB 900 Appendix F for recess requirements) Finish: WX 100 Example Description: W505470 BOLT M5X8 PN TI NP 8