TYPES OF SCREW HEADS OPTIONS

usually might be recognized by their blue hue. They’re screwed into pilot holes inside the masonry career. occasionally referred to as a two-gap spanner, have a pointy concluded search that also offers a good amount of protection. The top from the screw has a recessed hexagon into which a hex, Allen crucial or hex screw driver can be employed T

The sq. shape in the recess permits a safer suit and lowers the risk of damage to the screw head. Also they are known as as spanners; they provide security with keeping the concluded glance. here Their heads are flat wherein there are two tiny holes are furnished plus they want special Software for their set up and also removal. using this method