GL Huyett 440330 Hex Head Cap Screw, Steel, Grade L9, Zinc Yellow, 1 2" 13, Coarse, 3 4 in lg, Fully Threaded, 50 PK PK2 3615T14 Wood Liner Included Yes Liner Wood Liner Included Yes Liner Material Paper Minimum Tape Performance Temperature 20 Degrees F Maximum Tape Performance Temperature 200 Degrees F DLC For Enclosed Fixtures No Shatter Resistant Yes Bulb Finish Clear Rough Service No Item LED HIGH BAY HID Replacement Bulb Style High Bay High Pressure Sodium Wattage Equivalency 400 W Metal Halide Wattage Equivalency 400 W Package Quantity 1 System of Measurement Inch Thread Size 1 2" 13 Fastener Length 3 4 in Material Steel Material Grade Class Grade L9 Finish Zinc Yellow Overall Length 3 4 in Minimum Thread Length 3 4 in Thread Type Coarse Thread Style Fully Threaded Head Width 3 4 in Head Height 21 64 in Tensile Strength 180 1 Drive Type External Hex Material Steel Country of Origin Varies