tools - What is this kind of security bolt head called, and how can I remove it? - Home Improvement Stack Exchange
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Reisser Cutter Screw 4.0mm x 50mm (200 Pack)
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:max_bytes(150000):strip_icc()/close-up-of-screwdriver-and-nut-on-table-674253453-5abd4c7518ba010036861889.jpg "The History of Early and Modern Screws and Screwdrivers")
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Reisser TCN60060B Timber Connector Screws 6.0 X 60 Cp (Pack Of 25)
screws - What's this bolt head type and how can I open it? - Home Improvement Stack Exchange
Special screw head? What is it called?? I need to get it out of there! It has two slots in the head, kind of like a divided flat head screw... : r/whatisthisthing
tools - What is this kind of security bolt head called, and how can I remove it? - Home Improvement Stack Exchange
Reisser Cutter Screw 4.0 x 70mm (200 Pack)
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M6 x 12mm 2-Hole Countersunk Security Screws - A2 Stainless Steel
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Heavy Duty Picture Hooks Easy Level pack 200
