TYPES OF SCREW HEADS SECRETS

you can find even more heads that are available, but all certainly are a variation or blend of these following essential designs: The hex travel permits the use of sockets and spanners for tightening and loosening the screw (or bolt). You will find there's substantial Speak to floor space so big quantities of pressure may be utilized These offer

Cheese Head. A cheese head has cylindrical sides which has a flat disc major (much like a wheel of cheese) and a flat bearing surface area. Hex screw heads are of two types—exterior and inner. exterior screw heads are hexagonal and protrude with the area, hunting just like a bolt head. Some hex external screw heads have in-built flanges, while s