https://www.fastenerdata.co.uk/fasteners/screws/square-head-set.html?SID=ii72grft5mihg4teo7s6g6ib4b
Fastenerdata - Square Head Tool Post - SCREWS - DIMENSIONS - Fastener Specifications
Fastener Technical Specifications, fastener source of supply, Comprehensive Fastener data, fastener knowledge, fastener history, fastener products and fastener...
square head tool postfastenerdatascrewsdimensionsspecifications
https://www.fastenerdata.co.uk/fasteners/screws/square-head-set/cup.html
Fastenerdata - Cup - Square Head Tool Post - SCREWS - DIMENSIONS - Fastener Specifications
Fastener Technical Specifications, fastener source of supply, Comprehensive Fastener data, fastener knowledge, fastener history, fastener products and fastener...
square head tool postfastenerdatacupscrewsdimensions