Description
Product type:- 5.5 x 25 Raised Countersunk
slot self-tapper
Material:- Mild steel
Finish:- Bright zinc, galvanised
Description:- Countersunk oval raised head,
slotted drive galvanised
self-tapper
Diameter of screw:- 5.5 mm/ No 12
Diameter of head:- 10.8 mm
F.Y.I:
The length of a countersunk self-tapper is determined
by measuring the total length of the screw.