About 8,000 types of vacuum components in stock at all times. About 8000 type Always in stock that day shipping is17 pmAccepted untilBusiness Hours： 9:00-18:00, excluding weekends and holidays

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  • Feedthrough Feedthrough
    Feedthrough
  • Isolator Isolator
    Isolator
  • Viewport Viewport
    Viewport
  • Vacuum Component Vacuum Component
    Vacuum Component
  • Vacuum Valve Vacuum Valve
    Vacuum Valve
  • Vented Screw Vented Screw
    Vented Screw
  • Others Others
    Others
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Shipping accepted on the day on orders until 17:00
(Hours 9:00 to 18:00 except Saturdays, Sundays, and holidays)

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  1. 真空部品通販ならコスモ・テック
  2. 真空用語集
  3. ねじ規格

ねじ規格

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よく使われるねじ規格をまとめました。

ISO規格 旧JIS
規格 		JIS規格 備考
RC PT JIS B0203 管用テーパねじ
R PT JIS B0203 管用テーパねじ
めねじ
Rp PS JIS B0203 管用平行ねじ
めねじ
G（A）（B） PF JIS B 0202 管用平行ねじ
おねじ
G PF JIS B 0202 管用平行ねじ
めねじ
NPT アメリカ管用テーパねじ
NPS アメリカ管用平行ねじ
UNC アメリカ管用並目ねじ
ねじ山角60度のインチねじ
UNF アメリカ管用細目ねじ
並目ねじよりピッチが細かく
緩みとめ目的に使用されるねじ

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Shipping accepted on the day on orders until 17:00 Hours 9:00 to 18:00 except Saturdays, Sundays, and holidays
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