A Chart To Choose The Right Fastener

PRODUCTS ILLUSTRATIONS Size of (mm) Size Inches Equivalent Standards A.S.T.M./
A.S.M.E.
ISO
Dia Length Dia Length I.S. DIN B.S.
Hex Bolt
& Nut
M6
to
M64
12MM
to
500mm
1/2"
to
2"
1/2"
to
20"
1363
3138
3757
601
609
610
916, 4190
3692, 15048,
14399
A193
A325
A320
A490
F-568
4016
4018
4034
7411
7412
4775
1364
6623
931
933
1083, 1768
4395
4014
4017
4032
7413
7414
7417
Grade 4.6 to 12.9
Hexagon
Socket Head
Cap Screws/
Set Screws
M3
to
M48
15MM
to
400mm
1/8"
to
2"
1/2"
to
16"
2269
6761
912, 6912,
7984, 7991,
913, 914,
915, 916
2470 A193
A-574
F-835
F-912
4762
10642
4026
4027
4028
4029
7379
7380
Hex Nuts M6
to
M64

 

  1/4"
to
2½"
  1363
3138
1364
934
6334
555
916, 4190,
1083, 1768
3692
A194,
A563
4032
4034
4775
7413
7414
7417
Grade 4 to 12 Grade 2H, 4,
7, DH
 
Hex Lock
Nuts
M3
to
M64
  1/8"
to
2½"
  1363 439 4185
Part 1
3692
A-563 4035
4036
 
Hex Slotted
& Castle Nuts
M6
to
M48
  1/4"
to
-2½"
  2232 935
937
1083
1768
3692
A-563    
Hex Nyloc
Nuts
M3
to
M48
  1/8"
to
2"
  7002 980
982
985
  B18.16.3 7040
7041
10511
10512
Punched
Washers
M3
to
M64
  1/8"
to
2½"
  2016 125
440R
6916
9021
3410
4320
F-436
B18.22
7089
7090
7091
7092
7093
7094
7415
7416
Spring
Washers
M2
to
M36
  1/8"
to
1"
  3063 127 1802
4464
B18.21.2 7980  
Lock Bolt
with Collar
M12
to
M30
  ½"
to
2½ "
    Grade
8.8, 10.9
       
Circlips/
Eclips
5mm to
200mm
15mm to
24mm
      3075
Type A & B/C
471
472
6799
3673
Part 1
Part 2
     
Self Tapping
Screws
No. 0
to
No. 12
3.2MM
to
50MM
No. 0
to
No. 12
1/8"
to
2"
5957, 7169,
7170, 7173,
7178
7970, 7971
7972, 7973,
7981, 7982,
7983
4174
7433
  1479
7050
7051
 
Split Cotter
Pins
M10
to
M16
5MM
to
250MM
1/16"
to
5/8"
1/4"
to
10"
549 94 1576 B18.8.6 1234  
Stud &
Threaded
Rods
M6
to
M64
25MM
to
200MM
1/4"
to
2½"
1"
to
80"
1862 938
939
  A320L7/L7M
A193Gr B7/B7M
   
Fully
Threaded
Rods/ Studs
M3
to
M48
15MM
to
3000MM
1/8"
to
2"
1/2"
to
120"
  975
976
916      
Cup Square
Bolt & Nut
M6
to
M42
12MM
to
500MM
      603
604
405
607
608
       
Hexagon
Coach
Screws
M10 571
to
M16
12MM
to
150MM
      571        
Hexagon
Coach
Screws
M10
to
M16
  As per Customer Specifications      
Guard Barrier
Bolts
M12
&
M16
30MM
to
50MM
As per IS & DIN Standards      
Machine
Srews
M2
to
M12
5MM
to
75MM
1/8"
to
1/2"
1/4"
to
3"
1365, 1366,
4218, 7483,
7485, 7486
84, 85,
86, 267,
965, 966
57, 84,
93, 450
  1207
2009
2010
 
Special Cold
& Hot Forget
Fasteners
      As per Customer Specifications      

 

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