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Home   /   10.9 Zinc Plated Steel Flange Bolts

10.9 Zinc Plated Steel Flange Bolts

The flange bolt is a hexagon headed bolt or screw incorporating a flange which, in certain circumstances, negates the need for a washer. Flange bolts are a more attractive and sophisticated alternative to their DIN 931 and DIN 933 hex driven counterparts. Typically used where the flange offers protection for the bolted component and where the driving tool may otherwise scratch its surface. Generally manufactured with a full thread, though occasionally some stock may include a partially threaded shank. Supplied either serrated under the head or plain/flat. The serrated variant reduces the likelihood of loosening due to vibration.
Fastener Material Key
A2
A2 Stainless Steel - Also known as grade 304 or 18/8. A general purpose grade of stainless steel.
BO-12.9
Black Oxide High Tensile Steel Class 12.9 - A high tensile non-stainless grade with a black oxide finish offering limited corrosion resistance.
BZP-10.9
Bright Zinc Plated (BZP) Class 10 High Tensile Steel - A high strength non-stainless grade for screws and bolts, with a basic level of corrosion resistance.
BZP-8.8
Bright Zinc Plated (BZP) Class 8 High Tensile Steel - The general purpose high tensile grade for screws and bolts, with a basic level of corrosion resistance.
BZP-G5
Bright Zinc Plated (BZP) USA Grade 5 High Tensile Steel - Equivalent to ISO class 8, a general purpose high tensile grade with a basic level of corrosion resistance.

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