Stainless Steel Button Head Cap Screws

Button head cap screws have a low, rounded head with a hex socket drive. They follow ISO 7380 and are used where a smooth, low profile head looks neater, such as on panels, covers, signage and equipment frames.

This range is stainless steel in A2 and A4. A2 is equal to 304 and suits general use, including food and beverage equipment. A4 is equal to 316, contains molybdenum and is the choice for marine and chemical exposure. Sizes run from M2.5 to M12, lengths from 4 mm to 100 mm, with standard hex socket and security hex socket drives.

The security version has a pin in the socket that needs a matching key. For steel in grade 10.9, see Button Head Cap Screws.

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