Metric Grade 10.9 Hex Flange Bolts Standard Pitch


DIN 6921	JIS B-1189

Key Dimensional Table (M3 to M20)

Thread Size	Dimension	DIN 6921 (German Standards)	ISO 4162 (International Standards)	JIS B-1189 (Japanese Standards)
M3	Wrench Size (WAF) Flange O.D.	N/A N/A	5.5 mm 6.8 mm	5.5 mm 7.0 mm
M4	Wrench Size (WAF) Flange O.D.	N/A N/A	7.0 mm 9.2 mm	7.0 mm 9.0 mm
M5	Wrench Size (WAF) Flange O.D.	8.0 mm 11.8 mm	7.0 mm 11.4 mm	8.0 mm 11.5 mm
M6	Wrench Size (WAF) Flange O.D.	10.0 mm 14.2 mm	8.0 mm 13.6 mm	10.0 mm 14.0 mm
M8	Wrench Size (WAF) Flange O.D.	13.0 mm 18.0 mm	10.0 mm 17.0 mm	12.0 mm 17.5 mm
M10	Wrench Size (WAF) Flange O.D.	15.0 mm 22.3 mm	13.0 mm 20.8 mm	14.0 mm 21.0 mm
M12	Wrench Size (WAF) Flange O.D.	16.0 mm 26.6 mm	15.0 mm 24.7 mm	17.0 mm 25.0 mm
M14	Wrench Size (WAF) Flange O.D.	18.0 mm 30.5 mm	18.0 mm 28.6 mm	19.0 mm 29.0 mm
M16	Wrench Size (WAF) Flange O.D.	21.0 mm 35.0 mm	21.0 mm 32.8 mm	22.0 mm 33.0 mm
M20	Wrench Size (WAF) Flange O.D.	27.0 mm 43.0 mm	27.0 mm 41.0 mm	27.0 mm 42.0 mm