#4-40 x 1-3/8" Phillips Countersunk Head Machine Screws Stainless Steel 304 Passivated 12 Hours Salt Spray Test (Red Rust), 4800 pcs/Pack Inserts Nominal size:M20(中型) mm

Nominal size:M20(中型) mm

Shoulder Length: 5/32"

These general-use flat washers are placed under the head of a bolt or nut to create a smooth bearing surface and distribute the load over a wider area

Nominal size:NL24sp mm

Length: 90 mm

#4-40 x 1-3/8" Phillips Countersunk Head Machine Screws Stainless Steel 304 Passivated 12 Hours Salt Spray Test (Red Rust), 4800 pcs/Pack Inserts Nominal size:M20(中型) mmDetailed Dimensions Diameter: #4 Thread: #4 40 Length: 1 3 8 System Of Measurement: Imperial Product Details Material: Stainless Steel Grade: 304 Finish: Passivated Type: Phillips Countersunk Head Machine Screws Specification: ANSI ASME B18. 6. 3F