Single coarse thread, offering strong grip. Ideal for a wide range of wood-working projects.
Pozi drive.
Double countersunk head for extra strength and a flush finish.
40 degree deep single thread for a secure fixing.
Zinc & Yellow (Z&Y) finish offers resistance to corrosion.
CE Approved.

Tetraflow Half Round Black Internal Stop End
Tetraflow Half Round Black 135' Angle 











































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