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head is typically used in conjunction with a countersunk hole providing a flush, snag free fit. Great surfaces of this screw or bolt are protected from external damage. Generally manufactured with a partial A slot drive, countersunk headed screw, typically used in conjunction with a countersunk hole which provides surface finish on Unbrako products, some surface corrosion may be evident. This does not affect the performance
A machine screw is a type of screw that is commonly used in industrial and manufacturing applications to secure components within engines, electronic products and general machinery. Commonly referred to as a setscrew or simply as a bolt. The fully threaded DIN 933 or ISO 4017 should
screws have some distinct advantages over their coarse pitch counterparts. Size for size they are stronger A tamper resistant screw requiring specialist Torx drive tooling to fit. This button head variant is
as an Allen key) to fit. The countersunk head is typically used in conjunction with a countersunk hole and a softer edge. A countersunk head is typically used in conjunction with a countersunk hole providing The torx drive is designed to prevent "cam out", which makes them ideal for use with modern drill/drivers. to be included on top of the head. Supplied to DIN 603. Manufactured with a fully threaded shank. Nuts has a larger stress area creating better tension than its coarse pitch counterpart, also they are lessis required. Uses include street furniture and garden equipment. Also known as a Star or 6 Lobe Drive. driven counterparts. Typically used where The flange offers protection for the bolted component where Bolts are manufactured from alloy steel and are through hardened to give the same hardness from the tooth a lower profile domed finish is required. UNBRAKO® branded and manufactured to be stronger than the