SizeModel M3 x 4mm; Screw Total Length 4mm/0.16"; Inner Hex Diameter 1.5mm/0.06"; Pitch 0.5mm/0.02"; Inner Hex Depth 1.2mm/0.05".MaterialHexagon socket set screws are made of 304 stainless steel for better corrosion and rust resistance, with smooth threads, fine workmanship and durability.Easy To UseWith clean cut edges and fine threads, these set screws for bathroom fixtures and door handles are burrfree, not prone to loosening, which can be easily screwed in with the wrench provided, making them easy and convenient for all to use.Wide ApplicationSet screws are widely used in mechanical equipment, civilian hardware, and compact instruments, such as gear fixing, cam fixing, household door handles, hardware faucets, towel racks, etc.Package Content50Pcs x Set Screw 【Size】Model: M3 x 4mm; Screw Total Length: 4mm/0.16"; Inner Hex Diameter: 1.5mm/0.06"; Pitch: 0.5mm/0.02"; Inner Hex Depth: 1.2mm/0.05". MaterialHexagon socket set screws are made of 304 stainless steel for better corrosion and rust resistance, with smooth threads, fine workmanship and durability. Item Dimensions:2.1 x 1.4 x 0.67 inches|Thread Size:M3|Item Weight:0.01 Kilograms|Thread Coverage:Fully Threaded|Fastener Size:M3 x 4mm|Size Name:M3 x 4mm|Item Diameter:3 Millimeters|Compatible Groove Diameter:1.5 Millimeters|Number of Pieces:50|Color:Gray|Item Weight:0.01 Kilograms|Fastener Type:Socket Screws|Set Name:50-Piece Set|Number Of Items:50|Part Number:MRO190912N-0088|Model:MRO190912N-0088|Unit Count:50.0 Count|Screw Head Style:Socket|Thread Size:M3|Screw Point Style:Cupped Point|Head Type:hex|Thread Type:Metric|Set Screw Thread Type:Metric|Thread Style:Right Hand|Thread Class:fine|Compatible Groove Diameter:1.5 Millimeters|Drive System:Internal Hex|Material Type:Stainless Steel|Exterior Finish:Stainless Steel|Metal Type:304 Stainless Steel|Finish Types:Uncoated Set Screws