cross head cap screw

side cap; garrison / flight cap (US); wedge cap (Canada); field service cap (UK)

socket head cap screw

cap retaining pin screw

cross-level screw

cross-leveling screw

cross-leveling screw handle

head screw gasket

head-space adjusting screw

head-space adjusting screw locking plug

button head cap screws

frame cross member / frame cross-member

echoing cross-section; echoing cross section

radar cross-section / radar cross section (RCS); radar signature; radar crossover

cross-head arm

head-on radar cross section

penetrating head injury / open head injury

drop head body (drop-head body)

head-to-head flyoff

infrared homing head (IR homing head)

breech screw

screw breechblock

bipod body wing screw

deflector clamp screw

lever damp screw

Venturi lock screw

elevating screw joint pin nut

elevating screw knob

elevating screw mechanism

elevating screw tube

lower elevating screw

rear-sight elevating screw knob

screw elevating mechanism