M3 x 0.5mm Stainless Steel Nylock Self-Locking Nylon Insert Hex Lock Nuts 100pcs Description Hex head, female threaded inside, stainless steel material, anti-loose hex nut. Used with a machine or cap screw for mechanically joining materials together. Used widely for matching screws or bolts. Features: Product Name:Nylon Lock Nut Material:304 Stainless Steel;Main Color:Silver Tone;Weight:46g Thread Size:M3 x 0.5mm(Dia*Pitch) Height:4mm/ 0.16";Hex Size:5.5mm/ 0.21" Package Content:100(+/-2%) x Nylon Lock Nuts Product Details: Material: Stainless Steel Fastener Type: Lock Thread Size: M 3 Exterior Finish: Silver Color: Silver Material: ‎Stainless Steel Fastener Type: ‎Lock Thread Size: ‎M 3 Exterior Finish: ‎Silver Color: ‎Silver Metal Type: ‎Stainless Steel Finish Type: ‎Silver Drive System: ‎External Hex Brand: ‎DCS Item Weight: ‎0.1 Grams Inside Thread Size: ‎M3 x 1 5 Manufacturer: ‎DCS Item Weight: ‎0.004 ounces Is Discontinued By Manufacturer: ‎No Finish: ‎Silver Measurement System: ‎Metric Batteries Included?: ‎No Batteries Required?: ‎No Date First Available: June 14, 2018