PBC Linear NIL12 030.000 Linear Shaft, Solid, 3 4 in Dia, 30 in Lg, Carbon Steel, Polished G9828813 Features Convex Blade Design Features Convex Blade Design Item Wood Screw Head Type Flat Drive Phillips Material Steel Finish Zinc Plated Thread Style Partially Threaded System of Measurement Inch Package Quantity 200 Thread Type Partial Thread Threads per Inch Partially Threaded Type Multi Material Screw Tip Type Pointed Finish Type Zinc Plated Material Type Steel Head Shape Round Material Carbon Steel Range (F) 0 Degrees 400 Degrees F Type Solid Shaft System of Measurement Inch Surface Roughness 8 uin Operating Temperature Maximum 400 Degrees F Surface Hardness Minimum 60 HRC Series NIL Weight Per Inch 0