McMaster 98093A897 Black Phosphate Class 10.9 Steel Screw Flanged Hex Head, M16 x 2.00mm, 90mm Long PK5 2471 21 JPEG Enclosure Material High Temp JPEG Enclosure Material High Temp Polymer Data Logging Yes Detecting Distance Approx Item Mat Color Black Material Vinyl Thickness 7 8 in Surface Design Diamond Plate Mat Product Type Interlocking Antifatigue Mat Tile Anti Slip Surface No Antifatigue Material Yes Series 590 Metal Detectable No Connection Style Peg and Hole ISO Cleanroom Class 9 Component Type Antifatigue Mat Tile MVSS 302 Rating A Rating Thermally Insulating No Component Mat Tile Reversible No Non Interlocking Edge Style Straight Washdown Safe No ISO Cleanroom Class Broad ISO Class 9 Compression Deflection 15% Melt Point 120 Degrees F Recycled Content Greater Than50% USDA Certified No NSF ANSI 52 No Weight 53 lb Key Properties Cleanroom Mat Compatible Chemicals Animal Fats and automotive suspension systems Flange Diameter