1/4 x 1-3/8" Phillips Pan Head Self-tapping Screw, 25pcs Round Head (Black) 3D Printer Nozzle these tube inserts promote a

these tube inserts promote a solid structure when measured properly

Total Height: 39mm / 1

320mm length

Plug Size: 19 x 26 x 28mm / 0

NOTE: Please confirm the outer diameter of the volume damper before placing an order

1/4 x 1-3/8" Phillips Pan Head Self-tapping Screw, 25pcs Round Head (Black) 3D Printer Nozzle these tube inserts promote a[Good Material] Made of good quality 304 stainless steel, these screws are rust resistant, durable, and can withstand harsh environments or exposure to moisture without corroding. This ensures optimal durability and longevity, making it suitable for both indoor and outdoor applications. [Design] The pan head design of these screws provides a flat surface that is flush with the material they are screwed into, which provides greater support and