Skip to content
enquiry@gmsingapore.com
(+65) 63120234
Home
Products
Fasteners
Portescap
Carbide Tooling
Bearings
Prototype
Our Process
Quality Assurance
Contact Us
Menu
Home
Products
Fasteners
Portescap
Carbide Tooling
Bearings
Prototype
Our Process
Quality Assurance
Contact Us
$
0.00
0
Cart
DIN 7981 SPEC
DIN 7981 Specifications
All measurements in millimeters (mm)
d
1
k max
d
2
max
m approx.
Cross recess No.
2.2
1.8
4.2
2.6
H1
2.9
2.2
5.6
3
H1
3.5
2.6
6.9
4.2
H2
3.9
2.8
7.5
4.4
H2
4.2
3.05
8.2
4.6
H2
4.8
3.55
9.5
5
H2
5.5
3.95
10.8
6.5
H3
6.3
4.55
12.5
7.1
H3
8
5.25
15.8
–
–
All information is strictly informative