HEX - PIN (Allen) Tamper Resistant Screws Button (Flat*) Head Machine Screws 18-8 Stainless Steel Keyed-Lok® machine screws are custom manufactured of stainless or alloy steel to meet the demanding requirements for high security applications. Our button head styles are designed with a 20% larger head giving Keyed-Lok® a lower profile and making it more tamperproof. Power bits are available allowing economical and easy installation. The custom-designed keyway is specific to each user. These combined features make Keyed-lok® screws the most economical, tamperproof, high security screws available.

We sell only to Institutions and Commercial Accounts only.
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