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My Account Product Search Product Catalog Metric Coarse Class 8.8Metric Set Screws 8.8Metric Coarse Class 10.9Metric Set Screws 10.9Metric Fine 8.8Metric Fine 10.9FlangeGrade 5 UNFGrade 5 Set Screws UNFGrade 5 UNCGrade 5 Set Screws UNCGrade 8 UNCGrade 8 UNFConelocks/LocknutsGrade 9WashersNylocs12PT BOLTSHalf Nuts (JAM)Castle/Slot NutsWing NutsRivetsSpecials
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Bolt Head

This technical information has been supplied by boltdepot.com

Bolt Diameter
Head/Wrench Size
ANSI/ISO
DIN
JIS
DIN/ISO
Heavy Hex
4
7
7
7
-
5
8
8
8
-
6
10
10
10
-
7
-
11
-
-
8
13
13
12
-
10
16
17
14
-
12
18
19
17
22/21*
14
21
22
19
-
16
24
24
22
27
18
-
27
-
-
20
30
30
-
34/32*

ANSI - American National Standards Institute
ISO - International Organization for Standardisation
DIN - Deutsches Institut fur Normung
JIS - Japanese Industrial Standard
* Indicates ISO standard.