Sandhog CNC Lathe Machining Internal Turning Boring Bar Cutting Tool
Product Description
The S25R-MVQNR Internal Turning Tool Holder is a high-precision tool designed for internal turning operations in modern machining environments. This tool holder is engineered to deliver exceptional performance, reliability, and versatility, making it an ideal choice for a wide range of applications in the manufacturing industry.
Key Advantages
1. High Precision and Stability: The S25R-MVQNR is designed with a robust construction that ensures minimal vibration and maximum stability during operation. This results in superior surface finish and dimensional accuracy of the machined parts.
2. Versatility: This tool holder is compatible with a variety of insert types and sizes, allowing for flexibility in machining different materials and geometries. It can be easily adapted to various internal turning tasks, enhancing its utility in diverse machining scenarios.
3. Ease of Use: The S25R-MVQNR features a user-friendly design that simplifies setup and tool changes. This reduces downtime and increases productivity, making it a valuable asset in high-volume production environments.
4. Durability: Constructed from high-quality materials, the S25R-MVQNR is built to withstand the rigors of heavy-duty machining. Its durable design ensures a long service life, reducing the need for frequent replacements and maintenance.
5. Enhanced Chip Control: The tool holder is designed to promote efficient chip evacuation, preventing chip buildup and ensuring smooth, uninterrupted machining operations. This is particularly beneficial when working with materials that produce long, stringy chips.
Application Areas
1. Automotive Industry: The S25R-MVQNR is widely used in the automotive sector for machining engine components, transmission parts, and other critical internal features that require high precision and surface quality.
2. Aerospace Industry: In aerospace manufacturing, the tool holder is employed for machining complex internal geometries in turbine blades, engine casings, and other high-performance components.
3. General Machining: The versatility of the S25R-MVQNR makes it suitable for a broad range of general machining tasks, including the production of hydraulic components, fittings, and other precision parts.
4. Oil and Gas Industry: The tool holder is also utilized in the oil and gas sector for machining internal surfaces of valves, pumps, and other equipment that demand high durability and precision.
5. Medical Device Manufacturing: In the medical field, the S25R-MVQNR is used for producing intricate internal features in surgical instruments, implants, and other medical devices where precision is paramount.
In summary, the S25R-MVQNR Internal Turning Tool Holder is a versatile, durable, and high-performance tool that excels in a variety of machining applications. Its combination of precision, ease of use, and robust construction makes it an essential tool for modern manufacturing processes.

MVQNR/L |
Designation |
size / Размер |
Inserts |
Shim |
Pin |
Clamp |
Screw |
Wrench |
Тип |
dmin |
φd |
s |
L |
ℓ |
H |
α° |
Пластины |
Прокладка |
Штырь |
Зажим |
винт |
Ключ |
S25R-MVQNR/L16 |
34 |
25 |
17 |
200 |
50 |
23 |
12° |
VN**1604** |
X |
CTM510 |
HL2114 |
ML0625 |
L2.0,L3.0 |
S32S-MVQNR/L16 |
46 |
32 |
23 |
250 |
50 |
30 |
17° |
MV1603 |
CTM513 |
HL2414 |
S40T-MVQNR/L16 |
54 |
40 |
27 |
300 |
55 |
38 |
15° |
S50U-MVQNR/L16 |
64 |
50 |
32 |
350 |
60 |
48 |
12° |











Company Profile
Ningbo SANHAN Alloy Material Co., Ltd. with years of experience in manufacture Turning Tool Holder ,Boring Bar ,Threading Tool holder , Grooving Tool Holder , Milling Tool Holder , Milling Cutter ,Drilling Tools , Threading Insert ,Grooving Insert , Turning insert , Milling insert as well as their spare parts etc.
Located in Ningbo-China, a port city with developed industries. We have strong design team and passed the ISO9001 Certification. Also, we have various kinds of processing equipment, including DMG Five- Axis Linkage High-Precision Machining Center. All can meet your requirements!
Warmly Welcome you to have a visit of our factory .
Turning Tool Holder Shipping:
Port |
Ningbo/Shanghai/Guangzhou/Hangzhou/Shenzhen/Xiamen |
Shipping |
By Air ,By Sea or By Express |
Shipping Time |
4-10days By Express |
Different Area many take different shipping days |
7-15days By Air |
25-55days By Sea |
Trade Terms |
FOB, CIF, EXW, CFR, DDU... |
FAQ:
Q: Are you a factory or a trading company?
A: We are a factory specializing in the production of external indexable turning tool holders,boring bars, threading holders and grooving holders for CNC lathes and indexable milling cutters for CNC machine center as well as their spare parts.
Q: Can we use our own logo or design?
A: Yes, we provide OEM and ODM
Q: What is your MOQ?
A: We have stock in stock for regular products, and we support a minimum order of one, and a minimum order of 20 non-standard products.
Q: How can I get some samples?
A: We are willing to provide you samples for testing after receiving the sample fee.
Q: Do you accept custom orders?
A: Of course, we are a professional manufacturer, and custom orders are what we are good at.