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79 in centre Hole Concentricity 3
-12 Fastener Length 5 in Fastener Thread Direction Right Hand Fastener Thread Type UNC (Coarse) Fastener Thread Style Partially Threaded Fastener Industry Standards ASME B18
50 Fastener Length 45 mm Fastener Thread Direction Right Hand Fastener Thread Type Metric Coarse Fastener Thread Style Partially Threaded Fastener Industry Standards DIN 931 Head Type Hex Min Thread Length 26 mm Head Height 6
ACCURATE MANUFACTURED PRODUCTS GROUP Z1683 Architectural Hexagon Bolt Finish Plain Material 18-8 Stainless Steel Barrel Head Style Flat Barrel Drive Type Internal Hex Thread Size 1/2 In
GRAINGER U222850870001 Hex Nut Hex Type Heavy Hex Finish Black Oxide Material Grade/Class Grade 2HM Material Steel Thread Size 7/8 In
DUCTMATE GRDRI161228GA Sandwich Style Insulated Round Duct Lab Diagnostics 79 in centre Hole ConcentricityDUCTMATE GRDRI161228GA Duct Access Door Door Height 12 in Door Shape Rectangular Door Thickness 7 8 in Door Width 16 in Fire Rating Not Rated For Nominal Duct Diametre 25 in 26 in 27 in 28 in Hinge Style None Insulation Material fibreglass Latch Type Knobs Material Thickness 20 ga Maximum Temperature Rating 200 Degrees F Mounting Stud Length 2 in Number of Mounting Stud 2 Observation Port Height Not Applicable Observation Port Material Steel