100pcs Hex Socket Self Tapping Screws 1/4 x 1-1/4" Stainless Steel Flat Head 12mm x 3mm x 300mm Inner Diameter: 110 x 110

Inner Diameter: 110 x 110 mm / 4

Port Outer Diameter: 3mm

Inner Dia : 3mm/0

inner hex socket drive

Maximum temperature resistance: 1600 degree in Celsius/2912 degree in fahrenheit

100pcs Hex Socket Self Tapping Screws 1/4 x 1-1/4" Stainless Steel Flat Head 12mm x 3mm x 300mm Inner Diameter: 110 x 110Made of 410 stainless steel, which has higher hardness, corrosion resistance and rust resistance. The self drilling screws can drill well into the wood, sheet metal and other surfaces. The thread can reduce the resistance when screwing in and prevent cracking. It can also connect metal hardware to the wood well because the threaded rods provide good retention in the wood. Widely used in various industries such as manufacturing, construction,