1/4-20 X 1 1/2" Thumb Screws | Shoulder Head | Knurled Drive | Full Thread | Steel Black Oxide (600 / Pkg.) 410 Stainless Steel Thread specification: M30 x 3

Thread specification: M30 x 3

Building construction and retrofit projects involving overhead duct suspension

The combination of 18/8 stainless steel and a durable black oxide finish ensures corrosion resistance and wear protection in challenging environments

Thread: Unified National Coarse (UNC) 1/2-13

1/2-13 X 1-1/2" Hex Tap Bolts in Steel Zinc Plated

1/4-20 X 1 1/2" Thumb Screws | Shoulder Head | Knurled Drive | Full Thread | Steel Black Oxide (600 / Pkg.) 410 Stainless Steel Thread specification: M30 x 3Specs Thread size: 1 4 20 Length: 1 1 2 inch Head type: Shoulder Drive type: Knurled Thread length: Full length Material: Steel Finish: Black oxide Package quantity: 600 per package Features Thumb screw designed for hand tightening without tools; knurled drive surface enhances grip and control. Shoulder head provides a seating surface to distribute load and prevent over compression of the workpiece. Full thread length maximizes engaged surface area