nakretki_seclock
Security screw
Security nut
Special key
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Security nut Seclock

Security nut Seclock are produced in sizes from M3 to M24 and M30, primarily of stainless steel 303. On request is possible to produce seclock nuts of stainless steel A4 and mild steel zinc plated.

Seclock nut

a
b
Size tread
Head height
Head width
Size key
M3
3 mm
8 mm
Seclock key M3
M4
3 mm
8 mm
Seclock key M4
M5
4 mm
9,5 mm
Seclock key M5
M6
5,3 mm
12,7 mm
Seclock key M6
M8
6,2 mm
16 mm
Seclock key M8
M10
7,3 mm
19 mm
Seclock key M10
M12
8,7 mm
22,2 mm
Seclock key M12
M16
10,7 mm
28,5 mm
Seclock key M16
M20
12,8 mm
35 mm
Seclock key M20

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