
STFH SumiGrip Jr.
| Fig. 1 (Ne | utral (N)) | Fig. 2 (Right Hand (R)) | F | ig. 3 (Left Hand (L)) |
| 2° | 2-RE0.2* | 2-RE0.2* 2° | | 8° 2° |
| 2° CW | | 2° CW | | 2° CW |
| | | 8° | | 2-RE0.2* WCF□2T: 2-RE0.15 |
| STFH Insert ( | SumiGrip/S | umiGrip Jr. Common | Insert)( Coated Ca 0P 5 0U A E | rbide / | Cermet / Carbide) Dimensions (mm) |
| Appear | ance | Cat. No. | AC83 AC22 AC103 T1500 A30 G10 | Width of Cu CW | Applicable Holder Fig |
| WCF N○-GG | | WCF N2-GG | ●Q QQQ | 2.0 | STFH○○-2 1 |
| General-purpose | | WCF N3-GG | ●Q QQQ | 3.0 | STFH○○-3 1 |
| | WCF N4-GG | ●Q QQQ | 4.0 | STFH○○-4 1 |
| | WCF N5-GG | ●Q QQQ | 5.0 | STFH○○-5 1 |
| WCF N○-GF | | WCF N2-GF | Q●QQQ | 2.0 | STFH○○-2 1 |
| Exotic Alloy | | WCF N3-GF | Q●QQQ | 3.0 | STFH○○-3 1 |
| Low Feed | | WCF N4-GF | Q●QQQ | 4.0 | STFH○○-4 1 |
| | WCF N5-GF | Q●QQQ | 5.0 | STFH○○-5 1 |
| WCF□○-CF | | WCF R3-CF | Q●QQQ | 3.0 | STFH○○-3 2 |
| Exotic Alloy | | WCF L3-CF | Q●QQQ | 3.0 | 3 |
| Low Feed | | WCF R4-CF | Q●QQQ | 4.0 | STFH4 2 |
| (With Feed Direction) | | WCF L4-CF | Q●QQQ | 4.0 | ○○- 3 |
| WCF□2T | | WCF N2T | ●QQQQQ | 2.0 | 1 |
| Small Diameter | | WCF R2T | ●QQQQQ | 2.0 | STFH○○-2 2 |
| Low Resistance | | WCF L2T | ●QQQQQ | 2.0 | 3 |
| WCF□○ | | WCF N3 | ●QQQQQ | 3.0 | 1 |
| No Chipbreaker | | WCF R3 | ●QQQQQ | 3.0 | STFH○○-3 2 |
| For General Steel | | WCF L3 | ●QQQQQ | 3.0 | 3 |
| | WCF N4 | ●QQQQQ | 4.0 | 1 |
| | WCF R4 | ●QQQQQ | 4.0 | STFH○○-4 2 |
| | WCF L4 | ●QQQQQ | 4.0 | 3 |
| | WCF N5 | ●QQQQQ | 5.0 | 1 |
| | WCF R5 | ●QQQQQ | 5.0 | STFH○○-5 2 |
| | WCF L5 | ●QQQQQ | 5.0 | 3 |
| WCF□○A | | WCF N2A | ●Q Q | 2.0 | STFH○○-2 1 |
| Exotic Alloy | | WCF N3A | ●Q ●●● | 3.0 | 1 |
| Low Feed | | WCF R3A | ●Q ● | 3.0 | STFH○○-3 2 |
| | WCF L3A | ●Q Q | 3.0 | 3 |
| | WCF N4A | ●Q ● | 4.0 | 1 |
| | WCF R4A | ●Q Q | 4.0 | STFH○○-4 2 |
| | WCF L4A | ●Q Q | 4.0 | 3 |
| | WCF N5A | ●Q Q | 5.0 | 1 |
| | WCF R5A | QQQ | 5.0 | STFH○○-5 2 |
| | WCF L5A | QQQ | 5.0 | 3 |
| WCF□○B | | WCF N3B | QQQQ● | 3.0 | 1 |
| Cast Iron | | WCF R3B | QQQQ● | 30 | STFH○○-3 2 |
| Light Alloys | | WCF L3B | QQQQ● | . 3.0 | 3 |
| | WCF N4B | QQQQ● | 4.0 | 1 |
| | WCF R4B | QQQQ● | 4.0 | STFH○○-4 2 |
| | WCF L4B | QQQQ | 4.0 | 3 |
| Same breaker shap | e as the type for | WCF N5B | QQQQ● | 5.0 | 1 |
| general steel (WCF | □○), but with | WCF R5B | QQQQ | 5.0 | STFH○○-5 2 |
| smaller cutting edg | e treatment. | WCF L5B | QQQQ● | 5.0 | 3 |
| AC830P | AC225 | AC1030U | T1500A | A30 | G10E |
| General Steel | 80 to 200 | 80 to 200 | 50 to 200 | 80 to 200 | 50 to 120 | Q |
| | | | CuttingSpee | dvc (m/min) | | |
| Work | Material | | Coated Carbide | | Cermet | Car | bide |
| | AC830P | AC225 | AC1030U | T1500A | A30 | G10E |
| General Steel | 80to200 | 80to200 | 50to200 | 80to200 | 50to120 | Q |
| P Steel | Mild Steel | 100to230 | 100to230 | 50to230 | 100to230 | 70to150 | Q |
| Die Steel | 60to150 | 60to150 | 50to150 | 60to150 | 50to120 | Q |
| M Stainle | ss Steel | 70to150 | 60to150 | 50to150 | Q | 70to130 | Q |
| K Cast Ir | on | Q | Q | 50to200 | Q | Q | 50to120 |
| N Non-fe | rrous Metal | Q | Q | 200to500 | Q | Q | 200to500 |
Cut 3.0 0.08 to 0.25 0.04 to 0.15 0.08 to 0.25 Q 0.04 to 0.15 0.05 to 0.15 0.08 to 0.25 0.05 to 0.12 Q 0.04 to 0.15 0.05 to 0.15
| | Neu | tral | | | | H | anded Inse | rt |
| Chipbr | aker GG GF General-purpose Exotic Alloy / LowCuttingForceType | No Chipbreaker General Steel | T Small Diameter / Low Resistance | A Exotic Alloy / Low Feed | B Cast Iron / Light Alloys | No Chipbreaker General Steel | CF Exotic Alloy / LowCuttingForceType | T Small Diameter / Low Resistance | A B Exotic Alloy / Low Feed Cast Iron / Light Alloys |
| Width o | f 2.0 0.05 to 0.20 0.03 to 0.12 | Q | 0.03 to 0.10 | 0.03 to 0.12 | Q | Q | Q | 0.03 to 0.10 | Q Q |
| Cut | 3.0 0.08 to 0.25 0.04 to 0.15 | 0.08 to 0.25 | Q | 0.04 to 0.15 | 0.05 to 0.15 | 0.08 to 0.25 | 0.05 to 0.12 | Q | 0.04 to 0.15 0.05 to 0.15 |
| CW | 4.0 0.10 to 0.30 0.05 to 0.18 | 0.10 to 0.30 | Q | 0.05 to 0.18 | 0.05 to 0.18 | 0.10 to 0.30 | 0.05 to 0.12 | Q | 0.05 to 0.18 0.05 to 0.18 |
| (mm) | 5.0 0.10 to 0.35 0.05 to 0.20 | 0.10 to 0.30 | Q | 0.05 to 0.20 | 0.06 to 0.20 | 0.10 to 0.30 | Q | Q | Q 0.06 to 0.20 |