1、 WORLDWIDE FASTENER STANDARD WE 307 2016-09-09 Printed copies are uncontrolled Copyright 2016, Ford Global Technologies, LLC. Page 1 of 1 Revision: 2016 xx xx Update Material and Performance Standard. HEXAGON FLANGE NUT & CONICAL WASHER ASSEMBLY FREE RUNNING PC 10 - THREAD TYPE 6H CATEGORY 200.020 N
2、ote: Crown height hc is determined by measuring h and subtracting the actual t value. (Tolerance of hc is independent of t) Dimensions in mm Nominal Size M6 M8 M10 M12 M14 M16 Pitch 1 1.25 1.5 1.75 2 2 s Max. 10 13 15 18 21 24 Min. 9.78 12.73 14.73 17.73 20.67 23.67 e Min. 11.05 14.38 16.64 20.03 23
3、.36 26.75 m Max. 7.3 9.4 11.4 13.8 15.9 18.3 mw Min. Minimum wrenching height must satisfy gauging requirements WE920A dc Max. 13.3 17.3 20 24 29 32 dw Min. 11.5 15 17 20.5 24 27 Nar. Reg. Nar. Reg. Nar. Reg. Nar. Reg. Nar. Reg. Nar. Reg. d2 Max. 16 20 20 24 24 28 28 33 33 38 38 44 Min. 15.5 19.5 19
4、.5 23.5 23.5 27.5 27.5 32.5 32.5 37.5 37.5 43.5 t Max. 1.7 2 2 2.6 2.6 3.1 3.1 3.5 3.5 3.8 3.8 4.2 Min. 1.4 1.7 1.7 2.3 2.3 2.7 2.7 3.1 3.1 3.4 3.4 3.8 hc Max. 0.7 0.7 0.7 0.8 0.7 0.8 0.8 0.8 0.8 0.8 0.8 0.9 Min. 0.4 0.4 0.4 0.5 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.6 d4 Max. 9.9 12.8 14.8 17.5 20.5 23.5 Pa
5、rt Number W520520 W520521 W520522 W520523 W520524 W520525 W520526 W520527 W520528 W520529 W520530 W520531 Thread: ISO 261 and 965 Nut Material & Performance: WE 955 - PC 10 Washer Material: Steel. Material, Heat Treat & Hardness Class Type B per WF 900 General Specifications: WE 920 Except as shown Finish: WX 100 Example description: W520520 NUT&WSHR M6 HF CON 10
