Cylindrical Head Inner Hexagon Hollow Screws M8*20 and Countersunk Head Inner Hexagon Hollow Screws M8*30

Product:
Inner Hexagon Cylindrical Head Hollow Screw M8x20 (304 Stainless Steel)
Inner Hexagon Countersunk Head Hollow Screw M8x30 (304 Stainless Steel)

Features:

• Material: 304 Stainless Steel 
• Inner Hexagon
• Inside is Hollow, with a Through Hole for Air Exhaust

Note:
All items have tolerence, actual product shall prevail.