喉士母牙高壓頭（45°）
SAE JIC 37°
Commonly referred to as JIC
fittings, these metal-to-metal
sealing type fittings have a 37°
flare (sealing surface angle) and
straight United National Fine
Threads (UNF).
Standard: ISO 12151-5,
ISO8434-2, SAE J516
規格表
| 編 號 | 牙 | HOSE BORE | 螺母H |
| C0302S2-0404 | 7/16"-20 | 1/4" | 14 |
| C0302S2-0604 | 9/16"-18 | 1/4" | 19 |
| C0302S2-0606 | 9/16"-18 | 3/8" | 19 |
| C0302S2-0806 | 3/4"-16 | 3/8" | 23 |
| C0302S2-0808 | 3/4"-16 | 1/2" | 23 |
| C0302S2-1008 | 7/8"-14 | 1/2" | 26 |
| C0302S2-1010 | 7/8"-14 | 5/8" | 26 |
| C0302S2-1210 | １1/16"-12 | 5/8" | 32 |
| C0302S2-1212 | １1/16"-12 | 3/4" | 32 |
| C0302S2-1612 | １5/16"-12 | 3/4" | 38 |
| C0302S2-1616 | １5/16"-12 | １" | 38 |
| C0302S2-2020 | １5/8"-12 | １1/4" | 50 |
| C0302S2-2424 | １7/8"-12 | １1/2" | 57 |
| C0302S2-2828 | ２1/4"-12 |
２" |
68 |
| C0302S2-3232 | ２1/2"-12 |
２" |
72 |
＊可搭配S2、S3（大）、S8（特大）及SLY4（4S）的高壓殼使用