HEX BOLT & NUT HEX NUT
SIZE RANGE EQUIVALENT STANDARDS A.S.T.M
METRIC (mm) INCHES I.S DIN B.S
DIA LENGTH DIA LENGTH
M6
to
M64		 12MM
to
500MM		 ½”
to
2”		 ½”
to
20”		 1363
3138		 601
609
610		 916
4190		 A 193
A 320
A 325

 
1364 931
933		 1083
1768
Grade4.6 to 12.9, A2 & A4
SIZE RANGE EQUIVALENT STANDARDS A.S.T.M
METRIC (mm) INCHES I.S DIN B.S
DIA LENGTH DIA LENGTH
M6
to
M64		   1/4”
to
2½”		   1363
3138		 555 1083
1768		 A 194
A 563
1364    
Grade 8 Grade 8 Grade 8
HEX LOCK NUTS HEX SLOTTED & CASTLE NUTS
SIZE RANGE EQUIVALENT STANDARDS A.S.T.M
METRIC (mm) INCHES I.S DIN B.S
DIA LENGTH DIA LENGTH
M6
to
M64		   1/8”
to
2½”		   1363 439 4185
Part 1		 4185
Part 1
SIZE RANGE EQUIVALENT STANDARDS A.S.T.M
METRIC (mm) INCHES I.S DIN B.S
DIA LENGTH DIA LENGTH
M6
to
M64		   1/4”
to
2½”		   2232 935
937		 1083  
HEX NYLOCK NUTS PUNCHED WASHERS
SIZE RANGE EQUIVALENT STANDARDS A.S.T.M
METRIC (mm) INCHES I.S DIN B.S
DIA LENGTH DIA LENGTH
M3
to
M48		   1/8”
to
2”		   7002 980
982
985		    
SIZE RANGE EQUIVALENT STANDARDS A.S.T.M
METRIC (mm) INCHES I.S DIN B.S
DIA LENGTH DIA LENGTH
M3
to
M72		   1/8”
to
2½”		   2016 125
126		 3410
4320		 F-436