釘

the nail that sticks out gets hammered down

riveting machine

scrawl

spike

rivet on a sword hilt

double-pointed nail

dowel

wooden peg

iron nail

L-shaped nail

long nail

brad

nail penetration test (of batteries)

nailing on

pachinko nail adjuster

bamboo nail (spike, peg, etc.)

nail

nailhead

pincers

square nail

nail sticking through

bent nail

to give a warning

spike

large half-dome-shaped nail

Holy Nail

peg

nail hider

concealed nail

having no effect

screw

staple

rivet