Tool Flo 16IR 10 API RD AC22A Carbide Threading Insert (5 pcs)
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The Tool Flo 16IR 10 API RD AC22A is a new, USA-manufactured (02/22/24) trigon (triangular) carbide threading insert designed for internal right-hand threading of API (American Petroleum Institute) pipe and coupling threads at 10 threads per inch. The "16" designates the IC size class (inscribed circle ~16mm / approximately 5/8 in), "IR" indicates internal right-hand thread form, "10 API RD" specifies 10 TPI round-profile API thread form per API standards, and "AC22A" is Tool Flo's CVD-coated submicron carbide grade optimized for threading steel and stainless steel in oil field and pipe machining applications. This insert seats in standard 16mm IC trigon threading toolholders (e.g., Tool Flo SIR/SIL series) and delivers consistent thread form accuracy on API line pipe, tubing, and casing connections. Sold as a new factory pack of 5 pieces, barcode 2489003, lot number 51631240224-5163124.
Product Specifications
| Brand | Tool Flo (IMCO / MAC Group) |
| MPN | 16IR 10 API RD AC22A |
| Thread Form | API Round (RD) |
| Thread Direction | Internal Right-Hand (IR) |
| Threads Per Inch (TPI) | 10 TPI |
| Insert Shape | Trigon (Triangular) |
| IC Size | 16 mm (~5/8 in) |
| Grade | AC22A (CVD-coated submicron carbide) |
| Coating | CVD |
| Application | API pipe/casing/tubing internal threading |
| Country of Origin | United States |
| Manufacture Date | 02/22/2024 |
| Quantity per Pack | 5 pieces |
| Condition | New |