STI-Twist Drill, 3.7 mm

Name: STI-Twist Drill, 3.7 mm
Brand: VOLKEL
SKU: 00037
Price: 51000.0 VND
Availability: OutOfStock

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STI-Twist Drill, 3.7 mm VÖLKEL, mã 00037, phù hợp cho sửa ren và lắp ren cấy.

SKU: 00037

51.000 đ

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Mô tả

V-COIL STI Mũi khoan xoắn – Precision for sửa ren

The V-COIL STI Mũi khoan xoắn is an essential tool for enlarging core holes of damaged or worn threads. When a thread is damaged due to wear, material fatigue, or improper handling, the STI Mũi khoan xoắn provides the perfect solution: it creates the precise hole diameter required for the installation of thread inserts.

Made of high-quality HSS-G (ground high-speed thép)the drill offers a long tool life, precise cutting, and excellent surface quality. With sizes ranging from 2.1 mm to 13.0 mmit covers a wide field of application and is ideal for unalloyed and low alloyed steels as well as other machinable materials up to 900 N/mm².

The STI Mũi khoan xoắn is available individually, in complete V-COIL sửa ren kitsand as part of larger assortments. This makes it a flexible solution both for workshops and mobile use.

Ứng dụng

The STI Mũi khoan xoắn is used wherever threads need to be repaired or reinforced. Typical applications include:

Enlarging core holes of worn or damaged ren trong
Preparing holes for V-COIL thread inserts
Use in workshops, mechanical engineering, automotive repair and maintenance
Available in sizes from 2.1 mm to 13.0 mm
Suitable for machinable materials up to 900 N/mm² (e.g. thép, aluminum, cast materials)

Step-by-Step Instructions

Preparation: Secure the workpiece, prepare the workspace, and wear safety goggles. Identify the damaged thread.
Insert the drill: Mount the STI Mũi khoan xoắn in a drilling machine or drill press. Apply cutting oil.
Enlarge the core hole: Drill out the damaged thread evenly and enlarge the hole to the correct size.
Remove chips: Pause regularly, remove chips, and reapply cutting oil.
Check: Inspect the borehole to ensure it is ready for the thread insert.

Câu hỏi thường gặp (FAQ)

Q1: Why do I need a special STI Mũi khoan xoắn?
A1: Standard drills often don’t provide the exact tolerances required. STI drills are specifically optimized for thread insert applications.

Q2: Can the drill be used for lỗ bít?
A2: Yes, depending on the thread insert type, it can be used for both through and lỗ bít.

Q3: Do I have to use cutting oil?
A3: Yes, cutting oil reduces tool wear and ensures better drilling quality.

Q4: Is it suitable for hardened steels?
A4: No, it is designed for materials up to 900 N/mm². For hardened steels, special tools are required.

Q5: Is the STI Mũi khoan xoắn available in kits?
A5: Yes, it is sold individually, in repair kits, and as part of assortments for various thread sizes.

Do you have questions about the V-COIL STI Mũi khoan xoắn or want advice on complete repair kits? Contact us via our biểu mẫu liên hệ.

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