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Description
DIAMETER Ø16 mm
LENGTH 160 mm
INSERT VBMT 1604rr
ANGLE κr 93°
Technical specifications of the S16 SVXBR 16 boring bar
| Technical Data | |
|---|---|
| ISO designation | S16 SVXBR 16 |
| Shank diameter (d) | Ø16 mm |
| Effective height (h) | 15 mm |
| Overall length (L) | 160 mm |
| Functional overhang (f) | 50 mm |
| Min. bore diameter (D_min) | Ø22 mm |
| Entering angle (κr) | 93° |
| Clearance angle | 5° |
| Clamping system | ISO — center screw (S) |
| Insert type | VBMT 1604rr |
| Cutting direction | R — right-hand |
| Shank material | Steel (S) |
| Manufacturer | Varel |
S16 SVXBR 16 boring bar – for internal turning and bore finishing
Precision internal turning tool for machining bores from Ø22 mm
Boring bar S16 SVXBR 16 is a professional boring bar designed for longitudinal turning and bore finishing with diameters from 22 mm. The round steel shank with a diameter of Ø16 mm and a length of 160 mm provides cutting stability even with greater tool overhang. The geometry with an entering angle of 93° allows turning along the wall with simultaneous light facing.
The central screw clamping system (S) ensures the highest cutting edge positioning repeatability and easy replacement of the VBMT 1604rr insert. The positive geometry of the 35° 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 VBMT 16 inserts in various carbide grades — select the grade to match the workpiece material.
Typical applications of the S16 SVXBR 16 boring bar
Cutting operations:
| ▸ | Longitudinal boring — enlarging and finishing cylindrical bores from Ø22 mm |
| ▸ | Bore finishing — positive VBMT geometry provides low cutting forces and a smooth surface |
| ▸ | Internal taper turning — bearing seats, internal chamfers, Morse tapers |
| ▸ | Light facing — the 93° 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 S16 SVXBR 16
Package contents:
| ✓ | Boring bar body S16 SVXBR 16 | 1 pcs |
| ✓ | Center screw for clamping the insert | 1 pcs |
| ✓ | Hex key for insert replacement | 1 pcs |
| ✗ | VBMT 1604rr cutting insert (sold separately) | — |
Compatible VBMT 1604rr insert
VBMT 1604rr
The cutting insert is not included in the set — must be purchased separately. VCMT/VBMT 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 S16 SVXBR 16 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 2.0–3.5 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 (64 mm) without support; use vibration damping for greater overhang |
| ▸ | Cutting edge height — set the cutting edge at spindle center height (±0.05 mm) |
| ▸ | 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 — S16 SVXBR 16
The minimum bore diameter is Ø22 mm. In smaller bores, the tool head interferes with the machined wall, preventing proper cutting.
For a steel shank of Ø16 mm, the recommended maximum overhang without damping is 4×d, or 64 mm. Above this value, vibration may occur — reduce the depth of cut or use a vibration-damped boring bar.
The VBMT insert has positive geometry (clearance angle 5°), 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 VBMT 160408 MV H6310 Horn
Reference: 0000010093 In stock > 10 items
€7.11
€8.74 brutto
Carbide insert VBMT 160404 MV H6310 Horn
Reference: 0000004321 In stock > 10 items
€7.63
€9.39 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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