| Product | Type | Material | Tube O.D. (in) | Tube O.D. (mm) | |
| COS-2-2U-STEL | Connects Fractional Tube to Female Straight Thread. | Carbon Steel | 1/8 | 3.17 | |
| COS-3-3U-STEL | Connects Fractional Tube to Female Straight Thread. | Carbon Steel | 3/16 | 4.76 | |
| COS-4-4U-STEL | Connects Fractional Tube to Female Straight Thread. | Carbon Steel | 1/4 | 6.35 | |
| COS-5-5U-STEL | Connects Fractional Tube to Female Straight Thread. | Carbon Steel | 5/16 | 7.93 | |
| COS-6-6U-STEL | Connects Fractional Tube to Female Straight Thread. | Carbon Steel | 3/8 | 9.52 | |
| COS-8-8U-STEL | Connects Fractional Tube to Female Straight Thread. | Carbon Steel | 1/2 | 12.7 | |
| COS-12-12U-STEL | Connects Fractional Tube to Female Straight Thread. | Carbon Steel | 3/4 | 19.05 | |
| COS-16-16U-STEL | Connects Fractional Tube to Female Straight Thread. | Carbon Steel | 1 | 25.4 | |
| COS-2-2U-BRAS | Connects Fractional Tube to Female Straight Thread. | Brass | 1/8 | 3.17 | |
| COS-3-3U-BRAS | Connects Fractional Tube to Female Straight Thread. | Brass | 3/16 | 4.76 | |
| COS-4-4U-BRAS | Connects Fractional Tube to Female Straight Thread. | Brass | 1/4 | 6.35 | |
| COS-5-5U-BRAS | Connects Fractional Tube to Female Straight Thread. | Brass | 5/16 | 7.93 | |
| COS-6-6U-BRAS | Connects Fractional Tube to Female Straight Thread. | Brass | 3/8 | 9.52 | |
| COS-8-8U-BRAS | Connects Fractional Tube to Female Straight Thread. | Brass | 1/2 | 12.7 | |
| COS-12-12U-BRAS | Connects Fractional Tube to Female Straight Thread. | Brass | 3/4 | 19.05 | |
| COS-16-16U-BRAS | Connects Fractional Tube to Female Straight Thread. | Brass | 1 | 25.4 | |
| COS-2-2U-S316 | Connects Fractional Tube to Female Straight Thread. | Stainless Steel 316 | 1/8 | 3.17 | |
| COS-3-3U-S316 | Connects Fractional Tube to Female Straight Thread. | Stainless Steel 316 | 3/16 | 4.76 | |
| COS-4-4U-S316 | Connects Fractional Tube to Female Straight Thread. | Stainless Steel 316 | 1/4 | 6.35 | |
| COS-5-5U-S316 | Connects Fractional Tube to Female Straight Thread. | Stainless Steel 316 | 5/16 | 7.93 | |
| COS-6-6U-S316 | Connects Fractional Tube to Female Straight Thread. | Stainless Steel 316 | 3/8 | 9.52 | |
| COS-8-8U-S316 | Connects Fractional Tube to Female Straight Thread. | Stainless Steel 316 | 1/2 | 12.7 | |
| COS-12-12U-S316 | Connects Fractional Tube to Female Straight Thread. | Stainless Steel 316 | 3/4 | 19.05 | |
| COS-16-16U-S316 | Connects Fractional Tube to Female Straight Thread. | Stainless Steel 316 | 1 | 25.4 |
