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The L H Dottie Co RSP12C is a two-pack of spanner screws sized for 10-12 applications. Spanner screws feature a tamper-resistant drive design that requires a matching spanner bit for installation or removal, making them a common choice in security-critical or public-facing installations. These fasteners are used by electricians, maintenance technicians, and general contractors who need a reliable anti-tamper solution. The two-pack format suits small jobs or repair work where a limited quantity is required.
Spanner screws in the size 10-12 range are typically used in electrical panels, enclosures, junction boxes, and similar assemblies where access restriction is a priority. They are appropriate for both light commercial and residential applications. Tradespeople working on switchgear, meter bases, or equipment covers often specify tamper-resistant fasteners like these to meet site security requirements or code-mandated access controls.
Designed as OEM-style tamper-resistant fasteners for general use in electrical enclosures, junction boxes, and equipment covers requiring size 10-12 spanner screws.
Installation requires a matching spanner bit driver. A spanner bit is not a standard drive type and will not accept Phillips, slotted, or Torx drivers. Always de-energize electrical equipment before fastening or removing screws on live panels or enclosures. Follow applicable NEC requirements for access and security on electrical assemblies.
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