Bone Mill, Set Screws & Milling Handle Bone Mill, Set Screws & Milling Handle BMSCREWSET Replacement parts for BMSS and BMTI, bone mill. 2 set screws and 1 milling handle. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.