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Tool Holders / S-System Boring Bars
STFCR/L
32 sizes available · 10 specification fields · standard: ISO
STFCR/L is a boring bar for internal turning that takes positive 60° triangle (T-type) inserts. It is listed here in 32 sizes, 7.3–37.5 mm shank height, right- and left-hand versions, each with full specifications and a dimensioned drawing. Typical use: boring, internal turning and back-facing.
Insert compatibility
This family is built for the following insert designations (as listed in the catalogue data). The exact size in each row of the table below is in the Insert designation column.
- TC.T 16T3..
- TC.T 0902..
- TC.T 1102..
- TC.T 06T1..
Specifications
| Product code | Insert designation | Cutting direction (hand) | Connection diameter (mm) | Functional length (mm) | Functional width (mm) | Connection diameter, machine side (mm) | Usable length (mm) | Shank height (mm) | Minimum working diameter (mm) |
|---|---|---|---|---|---|---|---|---|---|
| A20R STFCR 16 | TC.T 16T3.. | R | 20 | 200 | 13 | – | – | 18.3 | ≥25 |
| A20R STFCL 16 | TC.T 16T3.. | L | 20 | 200 | 14 | – | – | 18.3 | ≥25 |
| S12K STFCL 09 | TC.T 0902.. | L | 12 | 125 | 9 | – | – | 11 | ≥17 |
| S12K STFCR 09 | TC.T 0902.. | R | 12 | 125 | 9 | – | – | 11 | ≥17 |
| S20R STFCL 11 | TC.T 1102.. | L | 20 | 200 | 13 | – | 40 | 18.3 | ≥25 |
| S10K STFCL 09 | TC.T 0902.. | L | 10 | 125 | 7 | 0 | 25 | 9 | ≥13 |
| S0610F STFCL 06 | TC.T 06T1.. | L | 10 | 80 | 4.5 | – | – | 9 | ≥8 |
| S0610F STFCR 06 | TC.T 06T1.. | R | 10 | 80 | 4.5 | – | – | 9 | ≥8 |
| S08H STFCL 06 | TC.T 06T1.. | L | 8 | 100 | 6 | – | – | 7.3 | ≥11 |
| S08H STFCR 06 | TC.T 06T1.. | R | 8 | 100 | 6 | – | – | 7.3 | ≥11 |
| S10K STFCR 09 | TC.T 0902.. | R | 10 | 125 | 7 | – | – | 9 | ≥13 |
| S12K STFCL 11 | TC.T 1102.. | L | 12 | 125 | 9 | – | – | 11 | ≥17 |
| S12K STFCR 11 | TC.T 1102.. | R | 12 | 125 | 9 | – | – | 11 | ≥17 |
| S16P STFCL 11 | TC.T 1102.. | L | 16 | 170 | 11 | – | – | 14.8 | ≥20 |
| S16P STFCR 11 | TC.T 1102.. | R | 16 | 170 | 11 | – | – | 14.8 | ≥20 |
| S20R STFCR 11 | TC.T 1102.. | R | 20 | 200 | 13 | – | – | 18.3 | ≥25 |
| S16P STFCL 16 | TC.T 16T3.. | L | 16 | 170 | 11 | – | – | 14.8 | ≥20 |
| S16P STFCR 16 | TC.T 16T3.. | R | 16 | 170 | 11 | – | – | 14.8 | ≥20 |
| S20R STFCL 16 | TC.T 16T3.. | L | 20 | 200 | 13 | – | – | 18.3 | ≥25 |
| S20R STFCR 16 | TC.T 16T3.. | R | 20 | 200 | 13 | – | – | 18.3 | ≥25 |
| S25S STFCL 16 | TC.T 16T3.. | L | 25 | 250 | 17 | – | – | 23 | ≥32 |
| S25S STFCR 16 | TC.T 16T3.. | R | 25 | 250 | 17 | – | – | 23 | ≥32 |
| S32T STFCL 16 | TC.T 16T3.. | L | 32 | 300 | 22 | – | – | 30 | ≥40 |
| S32T STFCR 16 | TC.T 16T3.. | R | 32 | 300 | 22 | – | – | 30 | ≥40 |
| S40U STFCL 16 | TC.T 16T3.. | L | 40 | 350 | 27 | – | – | 37.5 | ≥50 |
| S40U STFCR 16 | TC.T 16T3.. | R | 40 | 350 | 27 | – | – | 37.5 | ≥50 |
| A10H STFCL 11 | TC.T 1102.. | L | 10 | 100 | 7 | – | – | 9 | ≥13 |
| A10H STFCR 11 | TC.T 1102.. | R | 10 | 100 | 7 | – | – | 9 | ≥13 |
| A12H STFCL 11 | TC.T 1102.. | L | 12 | 100 | 9 | – | – | 11 | ≥17 |
| A12H STFCR 11 | TC.T 1102.. | R | 12 | 100 | 9 | – | – | 11 | ≥17 |
| A16M STFCL 11 | TC.T 1102.. | L | 16 | 150 | 11 | – | – | 14.8 | ≥20 |
| A16M STFCR 11 | TC.T 1102.. | R | 16 | 150 | 11 | – | – | 14.8 | ≥20 |
Column codes
- Insert Code — Insert designation
- Product Direction — Cutting direction (hand)
- DCON — Connection diameter (mm)
- LF — Functional length (mm)
- WF — Functional width (mm)
- DCONMS — Connection diameter, machine side (mm)
- LU=OHN — Usable length (mm)
- H — Shank height (mm)
- D min — Minimum working diameter (mm)
Dimensions in millimetres unless noted. Values are the manufacturer's published figures.
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