
A PI Round (fo r En e rg y)
Applicable toolholder
External External
| S | S | MTVOR-**M.. | HS**-MTHOR... |
| 60° | | | | |
| | | STVOR-**M... | |
| Thread | | | IC | | IC |
| form | | | | | |
| | TNMA | | TNMC | |
| 60º | | | | | |
| 55º | On edge | | | | |
Taper External insert Internal insert
| (Reference) | | mm/mm | TPF | | Coated Designation | IC | S | | Coated Designation | IC | S |
| (Metric) | | | | | | AH725 | | | | AH725 | | |
| UN | (2.54) | 10 | 1/16 | 0.75 | TNMA4310RDEXT | 䖃 | 12.7 | 4.8 | TNMA4310RDINT | 䖃 | 12.7 | 4.8 |
| (3.175) | 8 | 1/16 | 0.75 | TNMA438RDEXT | 䖃 | 12.7 | 4.8 | TNMA438RDINT | 䖃 | 12.7 | 4.8 |
| (Unified) | | | | | | | | | | | | |
| (2.54) | 10 | 1/16 | 0.75 | TNMC4310RDEXT | 䖃 | 12.7 | 4.8 | TNMC4310RDINT | 䖃 | 12.7 | 4.8 |
| W | (3.175) | 8 | 1/16 | 0.75 | | | 12.7 | 4.8 | | | 12.7 | 4.8 |
| | | | | TNMC438RDEXT | 䖃 | | | TNMC438RDINT | 䖃 | | |
| (Whitworth) | | | | | | | | | | | | |
| BSPT | | | | | | | | | | | | |
| | | | | | | | | | Applicable toolholder | | |
| (R, PT) | S | BW | | |
| | | External | Internal |
| NPT | 60° | | CLVOR-**M... | SI-CLHOR... |
| | External | | |
NPTF S BW
1°47’ Internal TR (Metric, 30º Trapezoidal)
Round Full-profile insert (chaser)
(DIN405) External insert Internal insert
| | | Taper | Grade | Grade |
| UNJ | Pitch | | | | |
| | TPI | | Coated | Coated |
| (Reference) | | Designation | BW INSL S | Breakerpiece | Designation | BW INSL S | Breakerpiece |
| mm/ | | | | | | |
| (3.175) | 8 | 1/16 | 0.75 | CR-8R-3E | 䖃 | 16 | 15 | 5.2 CR-8R / 10R- | | CR-8R-3I | 䖃 | 16 | 15 | 5.2 CR-8R / 10R- | |
| | | | | | | | | | 3E / 4E-CB | | | | | | 3I / 4I-CB |
| ACME | (2.54) | 10 | 1/16 | 0.75 | CR-10R-3E | 䖃 | 16 15.9 5.2 CR-8R / 10R- | | | | CR-10R-3I | 䖃 | 16 15.9 5.2 CR-8R / 10R- | | | |
3E / 4E-CB 3I / 4I-CB (29º Trapezoidal) STUB ACME
(29º Trapezoidal) S
API 60°
Round
API
Buttress
1°47’ IC
API Rotary Shoulder Connection Full-profile insert (chaser) External insert
| Pitch | | Taper | | Grade | | |
| TPI | | | | | |
| (Reference) | | | Designation | Coated | IC | S |
mm/mm TPF AH725
| (2.54) | 10 | 1/16 | 0.75 | CNGA-10R-3E | 䖃 | 19.05 | 6.4 |
| (3.175) | 8 | 1/16 | 0.75 | CNGA-8R-3E | 䖃 | 19.05 | 6.4 |
Note: Toolholders need to be customized for these types of inserts.