uxcell a16122700ux0290 M4x25mm Flat Knurled Head Fully Threaded Thumb Screws Bolts Fastener 15pcs Pack of 15 auspowers_batchone The 410 stainless steel material

The 410 stainless steel material offers high strength and hardness

Support multi-connection up to 128units simultaneously via WITMOTION PC software or other MCU

EADOT super fixing rubber seal is specialized for toilets

Quality material: The snip tip applicators are made of quality plastic material

uxcell a16122700ux0290 M4x25mm Flat Knurled Head Fully Threaded Thumb Screws Bolts Fastener 15pcs Pack of 15 auspowers_batchone The 410 stainless steel materialuxcell a16122700ux0290 M4x25mm Flat Knurled Head Fully Threaded Thumb Screws Bolts Fastener 15pcs Pack of 15 M4x25mm Round thumb screw with flat knurled head style. Knurled head provides extra grip for manual tightening. Usually found on thumb screws, a knurled surface on the head gives a better gripping surface, making it easier to tighten or loosen fasteners manually. Thumb screws are designed to be tightened and loosened by hand. Tools not