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Description
DIAMETER Ø10 mm
LENGTH 125 mm
INSERT DCMT 0702rr
ANGLE κr 107.5°
Technical specifications of the S10K SDQCR 07 boring bar
| Technical data | |
|---|---|
| ISO designation | S10K SDQCR 07 |
| Shank diameter (d) | Ø10 mm |
| Effective height (h) | 9 mm |
| Overall length (L) | 125 mm |
| Functional overhang (f) | 8 mm |
| Min. bore diameter (D_min) | Ø13 mm |
| Entering angle (κr) | 107.5° |
| Clearance angle | 7° (pos.) |
| Clamping system | ISO — center screw (S) |
| Insert type | DCMT 0702rr |
| Cutting direction | R — right-hand (L version available) |
| Shank material | Steel (S) |
| Manufacturer | Smoxh |
S10K SDQCR 07 boring bar – for internal turning and bore finishing
Internal turning tool for machining bores from Ø13 mm
Boring bar S10K SDQCR 07 is an indexable boring bar designed for longitudinal turning and bore finishing with diameters starting at 13 mm. The round steel shank with a diameter of Ø10 mm and a length of 125 mm ensures stable cutting even at longer tool overhangs. The geometry with an entering angle of 107.5° allows longitudinal turning and facing.
In the center screw clamping system (S), the screw secures the DCMT 0702rr insert through its hole, so replacement requires loosening just one screw. The positive geometry of the 55° rhombic insert with 2 cutting edges is suitable for finishing, providing low cutting forces and a smooth machined surface. The boring bar is compatible with DCMT 07 inserts in various carbide grades — select the grade to match the workpiece material.
Decoding the SDQCR designation of the S10K SDQCR 07 boring bar
What the individual letters in the ISO designation mean
Decoding the designation SDQCR
S
CLAMPING
Center screw (S)
The screw secures the insert through its center hole
D
INSERT SHAPE
55° rhombus 55°
DCMT insert — positive, single-sided, 2 cutting edges
Q
ENTERING ANGLE
κr = 107.5°
Longitudinal turning + facing inside the bore
C
CLEARANCE ANGLE
α = 7° (pos.)
Positive geometry — low cutting forces, finishing and medium machining
R
DIRECTION
Right-hand (R)
Feed to the left — from the tailstock toward the spindle
Shank: Ø10 mm (S10K, steel) · Insert: DCMT 0702rr
Typical applications of the S10K SDQCR 07 boring bar
Cutting operations:
| ▸ | Longitudinal boring — enlarging and finishing cylindrical bores from Ø13 mm |
| ▸ | Bore finishing — positive DCMT geometry provides low cutting forces and a smooth surface |
| ▸ | Internal taper turning — bearing seats, internal chamfers, Morse tapers |
| ▸ | Light facing — the 107.5° angle allows machining the face inside the bore |
| ▸ | CNC production runs — repeatable cutting edge positioning and quick insert replacement in the holder |
Included
Package contents for S10K SDQCR 07
Package contents:
| ✓ | Boring bar body S10K SDQCR 07 | 1 pcs |
| ✓ | Center screw for clamping the insert | 1 pcs |
| ✓ | Hex key for insert replacement | 1 pcs |
| ✗ | DCMT 0702rr cutting insert (sold separately) | — |
Compatible DCMT 0702rr insert
DCMT 0702rr
The cutting insert is not included in the set — must be purchased separately. DCMT insert. Positive geometry means that the insert is single-sided and has 2 cutting edges, providing low cutting forces and good surface quality.
Select the insert grade to match the workpiece material: P (structural steels), M (stainless steel), K (cast iron), N (aluminum). You can find compatible inserts in the section "Related products" below.
Insert installation and replacement for the S10K SDQCR 07 boring bar
Instructions for the center screw clamping system (S)
Insert replacement procedure step by step
1 Unscrew the screw
Unscrew the center screw 2-3 turns
2 Clean the insert seat
Remove chips and debris
3 Install the insert
Position in the seat
4 Tighten the screw
Torque 0.8–1.5 Nm
Important: Do not exceed the recommended tightening torque — this may damage the thread in the seat or crack the insert.
Checks before starting work:
| ▸ | Tool overhang — do not exceed 4×d (40 mm) without support; use vibration damping for greater overhang |
| ▸ | Cutting edge height — set the cutting edge at spindle centerline height |
| ▸ | Insert seat condition — check that the contact surface is not damaged or worn |
| ▸ | Secure clamping — the insert must have no play in the seat |
| ▸ | Indexing — when an edge wears out, rotate the insert to a fresh edge (2 edges in total) |
Note: Use internal coolant (through the spindle) for boring whenever possible. When machining without coolant, reduce cutting parameters by 20–30%. Long tool overhang promotes vibration — if vibration occurs, reduce the depth of cut and increase the feed.
Frequently asked questions — S10K SDQCR 07
The minimum bore diameter is Ø13 mm. In smaller bores, the tool head interferes with the machined wall, preventing proper cutting.
For a steel shank of Ø10 mm, the recommended maximum overhang without damping is 4×d, or 40 mm. Above this value, vibration may occur — reduce the depth of cut or use a vibration-damped boring bar.
The DCMT insert has positive geometry (clearance angle 7°), which means it is single-sided with 2 cutting edges. When one edge wears out, rotate the insert to a fresh edge.
Product accessories
Carbide insert DCMT 070204 MV H6310 Horn
Reference: 0000004044 In stock > 10 items
€3.16
€3.88 brutto
Carbide insert DCMT 070202 MV H6310 Horn
Reference: 0000012431 In stock > 10 items
€3.16
€3.88 brutto
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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