noun
clamp; clasp; fastener; binding tool
A general term for a tool or device used to tighten, fasten, or bind things together. Often used in mechanical, woodworking, or construction contexts.
作業台に木材を締め具で固定した。
I secured the wood to the workbench with a clamp.
この締め具はホースの接続部をしっかり留める。
This fastener tightly holds the hose connection.
クランプ is a loanword from English 'clamp' and is more common in technical or industrial settings. 締め具 is a native Japanese term that can refer to a broader range of fastening tools.
留め具 refers to a fastener that holds things in place (like a clasp or clip), while 締め具 emphasizes tightening or binding action.
Compound of 締め (shime, 'tightening', from verb 締める) + 具 (gu, 'tool, implement').